NOAA Current Watches-WA

* WHAT...Wet snow expected. Total snow accumulations of 6 to 10 inches. Winds gusting as high as 40 mph. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...From 11 AM to 11 PM PDT Friday. * IMPACTS...Travel could be difficult due to periods of moderate to heavy snow. Winter Weather Advisory 2025-03-20T22:48:00-07:00 2025-03-20T22:48:00-07:00 2025-03-21T11:00:00-07:00 2025-03-21T08:15:00-07:00 Actual Update Met Expected Moderate Likely Northern Blue Mountains of Oregon; Northwest Blue Mountains SAME 041059 SAME 041061 SAME 041063 SAME 053013 SAME 053071 UGC ORZ502 UGC WAZ030 AWIPSidentifier WSWPDT WMOidentifier WWUS46 KPDT 210548 NWSheadline WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 AM TO 11 PM PDT FRIDAY... ...WINTER WEATHER ADVISORY WILL EXPIRE AT 11 PM PDT THIS EVENING BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPDT.WW.Y.0021.250321T1800Z-250322T0600Z/ eventEndingTime 2025-03-22T06:00:00+00:00

* WHAT...Snow expected. Total snow accumulations between 6 and 10 inches. Winds gusting as high as 40 mph. * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...From 11 AM Friday to 5 AM PDT Saturday. * IMPACTS...Periods of moderate and heavy snow will combine with low visibilities to create difficult driving conditions. Winter Weather Advisory 2025-03-20T22:48:00-07:00 2025-03-20T22:48:00-07:00 2025-03-21T11:00:00-07:00 2025-03-21T08:15:00-07:00 Actual Update Met Expected Moderate Likely Upper Slopes of the Eastern Washington Cascades Crest SAME 053037 SAME 053077 UGC WAZ522 AWIPSidentifier WSWPDT WMOidentifier WWUS46 KPDT 210548 NWSheadline WINTER WEATHER ADVISORY REMAINS IN EFFECT FROM 11 AM FRIDAY TO 5 AM PDT SATURDAY... ...WINTER WEATHER ADVISORY WILL EXPIRE AT 11 PM PDT THIS EVENING BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPDT.WW.Y.0021.250321T1800Z-250322T1200Z/ eventEndingTime 2025-03-22T12:00:00+00:00

* WHAT...Snow. Additional snow accumulations up to 6 inches through early Friday morning, followed by another 6 to 8 inches late Friday through early Saturday. Winds gusting as high as 45 mph. * WHERE...Cascades of Pierce and Lewis Counties and Cascades of Southern King County. * WHEN...Until 5 AM PDT Saturday. * IMPACTS...Roads, especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Snow levels will rise above Snoqualmie Pass at times tonight and early Friday, before lowering again late Friday night. This will lead to periods of rain and lower snow totals at the pass compared to higher elevations. Winter Weather Advisory 2025-03-20T22:18:00-07:00 2025-03-20T22:18:00-07:00 2025-03-20T22:18:00-07:00 2025-03-21T06:30:00-07:00 Actual Update Met Expected Moderate Likely Cascades of Southern King County; Cascades of Pierce and Lewis Counties UGC WAZ303 UGC WAZ304 AWIPSidentifier WSWSEW WMOidentifier WWUS46 KSEW 210518 NWSheadline WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT SATURDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KSEW.WW.Y.0013.000000T0000Z-250322T1200Z/ eventEndingTime 2025-03-22T12:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.1c9942f444d748a19efe8a08311f824083c9e3b5.002.1,2025-03-20T10:52:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7336ba387186fdc5f668473aa3503ac82df01139.002.1,2025-03-20T02:58:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c5773f8374df9d3e8b04c52e4b6fc82697df4a0c.002.1,2025-03-19T14:34:00-07:00

* WHAT...Heavy snow expected. Total snow accumulations of 12 to 20 inches tonight through Saturday morning. Winds gusting as high as 40 mph. * WHERE...Cascades of Snohomish and Northern King Counties and Cascades of Whatcom and Skagit Counties. * WHEN...Until 5 AM PDT Saturday. * IMPACTS...Roads, especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult to impossible. Winter Storm Warning 2025-03-20T22:18:00-07:00 2025-03-20T22:18:00-07:00 2025-03-20T22:18:00-07:00 2025-03-21T06:30:00-07:00 Actual Update Met Expected Severe Likely Cascades of Whatcom and Skagit Counties; Cascades of Snohomish and Northern King Counties UGC WAZ301 UGC WAZ302 AWIPSidentifier WSWSEW WMOidentifier WWUS46 KSEW 210518 NWSheadline WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM PDT SATURDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR VTEC /O.CON.KSEW.WS.W.0005.000000T0000Z-250322T1200Z/ eventEndingTime 2025-03-22T12:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.1c9942f444d748a19efe8a08311f824083c9e3b5.001.2,2025-03-20T10:52:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7336ba387186fdc5f668473aa3503ac82df01139.001.1,2025-03-20T02:58:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c5773f8374df9d3e8b04c52e4b6fc82697df4a0c.001.1,2025-03-19T14:34:00-07:00

* WHAT...Snow. Additional snow accumulations up to 6 inches through early Friday morning, followed by another 6 to 8 inches late Friday through early Saturday. Winds gusting as high as 45 mph. * WHERE...Cascades of Pierce and Lewis Counties and Cascades of Southern King County. * WHEN...Until 5 AM PDT Saturday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...Snow levels will rise above Snoqualmie Pass at times tonight and early Friday, before lowering again late Friday night. This will lead to periods of rain and lower snow totals at the pass compared to higher elevations. Winter Weather Advisory 2025-03-20T14:32:00-07:00 2025-03-20T14:32:00-07:00 2025-03-20T14:32:00-07:00 2025-03-20T22:45:00-07:00 Actual Update Met Expected Moderate Likely Cascades of Southern King County; Cascades of Pierce and Lewis Counties UGC WAZ303 UGC WAZ304 AWIPSidentifier WSWSEW WMOidentifier WWUS46 KSEW 202132 NWSheadline WINTER WEATHER ADVISORY NOW IN EFFECT UNTIL 5 AM PDT SATURDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.EXT.KSEW.WW.Y.0013.000000T0000Z-250322T1200Z/ eventEndingTime 2025-03-22T12:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7336ba387186fdc5f668473aa3503ac82df01139.002.1,2025-03-20T02:58:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c5773f8374df9d3e8b04c52e4b6fc82697df4a0c.002.1,2025-03-19T14:34:00-07:00

* WHAT...Heavy snow expected. Total snow accumulations of 12 to 20 inches tonight through Saturday morning. Winds gusting as high as 40 mph. * WHERE...Cascades of Snohomish and Northern King Counties and Cascades of Whatcom and Skagit Counties. * WHEN...Until 5 AM PDT Saturday. * IMPACTS...Roads, especially bridges and overpasses, will likely become slick and hazardous. Travel could be very difficult to impossible. Winter Storm Warning 2025-03-20T14:32:00-07:00 2025-03-20T14:32:00-07:00 2025-03-20T17:00:00-07:00 2025-03-20T22:45:00-07:00 Actual Update Met Expected Severe Likely Cascades of Whatcom and Skagit Counties; Cascades of Snohomish and Northern King Counties UGC WAZ301 UGC WAZ302 AWIPSidentifier WSWSEW WMOidentifier WWUS46 KSEW 202132 NWSheadline WINTER STORM WARNING REMAINS IN EFFECT UNTIL 5 AM PDT SATURDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR VTEC /O.CON.KSEW.WS.W.0005.250321T0000Z-250322T1200Z/ eventEndingTime 2025-03-22T12:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7336ba387186fdc5f668473aa3503ac82df01139.001.1,2025-03-20T02:58:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c5773f8374df9d3e8b04c52e4b6fc82697df4a0c.001.1,2025-03-19T14:34:00-07:00

* WHAT...For the first Winter Weather Advisory, snow. Additional snow accumulations up to 4 inches. Winds gusting as high as 35 mph on exposed ridgelines. For the second Winter Weather Advisory, snow expected. Total snow accumulations between 6 and 10 inches. Winds gusting as high as 35 mph on exposed ridgelines. * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...For the first Winter Weather Advisory, until 11 PM PDT this evening. For the second Winter Weather Advisory, from 11 AM Friday to 5 AM PDT Saturday. * IMPACTS...Periods of moderate and heavy snow will combine with low visibilities to create difficult driving conditions. Winter Weather Advisory 2025-03-20T14:17:00-07:00 2025-03-20T14:17:00-07:00 2025-03-20T14:17:00-07:00 2025-03-20T23:30:00-07:00 Actual Update Met Expected Moderate Likely Upper Slopes of the Eastern Washington Cascades Crest SAME 053037 SAME 053077 UGC WAZ522 AWIPSidentifier WSWPDT WMOidentifier WWUS46 KPDT 202117 NWSheadline WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING... ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 AM FRIDAY TO 5 AM PDT SATURDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPDT.WW.Y.0020.000000T0000Z-250321T0600Z/ eventEndingTime 2025-03-21T06:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6e0c7d454b034f24e30b87c198436b1734d26b6e.003.1,2025-03-19T22:44:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.325519622e76f8afda5219932918d982ec55a07f.002.1,2025-03-19T13:45:00-07:00

* WHAT...For the first Winter Weather Advisory above 4500 feet, snow. Additional snow accumulations of 3 to 6 inches. Winds gusting as high as 40 mph on exposed ridgelines. For the second Winter Weather Advisory, wet snow expected. Total snow accumulations of 6 to 10 inches. Winds gusting as high as 40 mph on exposed ridgelines. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...For the first Winter Weather Advisory, until 11 PM PDT this evening. For the second Winter Weather Advisory, from 11 AM to 11 PM PDT Friday. * IMPACTS...Travel could be difficult due to periods of moderate to heavy snow. Winter Weather Advisory 2025-03-20T14:17:00-07:00 2025-03-20T14:17:00-07:00 2025-03-20T14:17:00-07:00 2025-03-20T23:30:00-07:00 Actual Update Met Expected Moderate Likely Northern Blue Mountains of Oregon; Northwest Blue Mountains SAME 041059 SAME 041061 SAME 041063 SAME 053013 SAME 053071 UGC ORZ502 UGC WAZ030 AWIPSidentifier WSWPDT WMOidentifier WWUS46 KPDT 202117 NWSheadline WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING ABOVE 4500 FEET... ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 AM TO 11 PM PDT FRIDAY ABOVE 4000 FEET BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPDT.WW.Y.0020.000000T0000Z-250321T0600Z/ eventEndingTime 2025-03-21T06:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.6e0c7d454b034f24e30b87c198436b1734d26b6e.002.1,2025-03-19T22:44:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.325519622e76f8afda5219932918d982ec55a07f.003.1,2025-03-19T13:45:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ef939c1be28193ed92b11fd06619f8af89b6dcb6.001.1,2025-03-19T03:13:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.1efe48dd665c8d334881913af536d356da573c23.001.1,2025-03-18T20:21:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7c330c32f9847093616b144db14819aefeef6da6.001.1,2025-03-18T14:00:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.5cd7ae5863aebbeefab4135b9c674aa3de6fb5f3.001.1,2025-03-18T14:44:00-07:00

* WHAT...For the first Winter Weather Advisory above 4500 feet, snow. Additional snow accumulations of 3 to 6 inches. Winds gusting as high as 40 mph on exposed ridgelines. For the second Winter Weather Advisory, wet snow expected. Total snow accumulations of 6 to 10 inches. Winds gusting as high as 40 mph on exposed ridgelines. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...For the first Winter Weather Advisory, until 11 PM PDT this evening. For the second Winter Weather Advisory, from 11 AM to 11 PM PDT Friday. * IMPACTS...Travel could be difficult due to periods of moderate to heavy snow. Winter Weather Advisory 2025-03-20T14:17:00-07:00 2025-03-20T14:17:00-07:00 2025-03-21T11:00:00-07:00 2025-03-20T23:30:00-07:00 Actual Alert Met Expected Moderate Likely Northern Blue Mountains of Oregon; Northwest Blue Mountains SAME 041059 SAME 041061 SAME 041063 SAME 053013 SAME 053071 UGC ORZ502 UGC WAZ030 AWIPSidentifier WSWPDT WMOidentifier WWUS46 KPDT 202117 NWSheadline WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING ABOVE 4500 FEET... ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 AM TO 11 PM PDT FRIDAY ABOVE 4000 FEET BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.NEW.KPDT.WW.Y.0021.250321T1800Z-250322T0600Z/ eventEndingTime 2025-03-22T06:00:00+00:00

* WHAT...For the first Winter Weather Advisory, snow. Additional snow accumulations up to 4 inches. Winds gusting as high as 35 mph on exposed ridgelines. For the second Winter Weather Advisory, snow expected. Total snow accumulations between 6 and 10 inches. Winds gusting as high as 35 mph on exposed ridgelines. * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...For the first Winter Weather Advisory, until 11 PM PDT this evening. For the second Winter Weather Advisory, from 11 AM Friday to 5 AM PDT Saturday. * IMPACTS...Periods of moderate and heavy snow will combine with low visibilities to create difficult driving conditions. Winter Weather Advisory 2025-03-20T14:17:00-07:00 2025-03-20T14:17:00-07:00 2025-03-21T11:00:00-07:00 2025-03-20T23:30:00-07:00 Actual Alert Met Expected Moderate Likely Upper Slopes of the Eastern Washington Cascades Crest SAME 053037 SAME 053077 UGC WAZ522 AWIPSidentifier WSWPDT WMOidentifier WWUS46 KPDT 202117 NWSheadline WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING... ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 AM FRIDAY TO 5 AM PDT SATURDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.NEW.KPDT.WW.Y.0021.250321T1800Z-250322T1200Z/ eventEndingTime 2025-03-22T12:00:00+00:00

A series of winter systems move in through the end of the week bringing heavy snow to the Cascades. The ongoing system will be the most snow heavy, while the second that arrives on Friday will be slightly warmer with less accumulating snow. Snow levels rise Friday night. * WHAT...For the Winter Storm Warning, heavy snow. Additional snow accumulations up to 6 inches. For the Winter Weather Advisory above 4000 feet, snow expected. Total snow accumulations up to 10 inches. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...For the Winter Storm Warning, until 11 PM PDT this evening. For the Winter Weather Advisory, from 11 PM this evening to 11 PM PDT Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...For the advisory, locally higher amounts at elevations above 5500 feet. Heaviest snow will fall after 11 AM Friday. Winter Storm Warning 2025-03-20T14:04:00-07:00 2025-03-20T14:04:00-07:00 2025-03-20T14:04:00-07:00 2025-03-21T05:00:00-07:00 Actual Update Met Expected Severe Likely North Oregon Cascades; Cascades of Marion and Linn Counties; Cascades of Lane County; South Washington Cascades SAME 041005 SAME 041027 SAME 041051 SAME 041047 SAME 041043 SAME 041039 SAME 053059 SAME 053015 SAME 053011 UGC ORZ126 UGC ORZ127 UGC ORZ128 UGC WAZ211 AWIPSidentifier WSWPQR WMOidentifier WWUS46 KPQR 202104 NWSheadline WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING... ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 11 PM PDT FRIDAY ABOVE 4000 FEET BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR VTEC /O.CON.KPQR.WS.W.0008.000000T0000Z-250321T0600Z/ eventEndingTime 2025-03-21T06:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.cadb7cddb0bfcc696e85543ab15f700770389fa1.001.2,2025-03-19T13:24:00-07:00

A series of winter systems move in through the end of the week bringing heavy snow to the Cascades. The ongoing system will be the most snow heavy, while the second that arrives on Friday will be slightly warmer with less accumulating snow. Snow levels rise Friday night. * WHAT...For the Winter Storm Warning, heavy snow. Additional snow accumulations up to 6 inches. For the Winter Weather Advisory above 4000 feet, snow expected. Total snow accumulations up to 10 inches. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...For the Winter Storm Warning, until 11 PM PDT this evening. For the Winter Weather Advisory, from 11 PM this evening to 11 PM PDT Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...For the advisory, locally higher amounts at elevations above 5500 feet. Heaviest snow will fall after 11 AM Friday. Winter Weather Advisory 2025-03-20T14:04:00-07:00 2025-03-20T14:04:00-07:00 2025-03-20T23:00:00-07:00 2025-03-21T05:00:00-07:00 Actual Alert Met Expected Moderate Likely North Oregon Cascades; Cascades of Marion and Linn Counties; Cascades of Lane County; South Washington Cascades SAME 041005 SAME 041027 SAME 041051 SAME 041047 SAME 041043 SAME 041039 SAME 053059 SAME 053015 SAME 053011 UGC ORZ126 UGC ORZ127 UGC ORZ128 UGC WAZ211 AWIPSidentifier WSWPQR WMOidentifier WWUS46 KPQR 202104 NWSheadline WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING... ...WINTER WEATHER ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 11 PM PDT FRIDAY ABOVE 4000 FEET BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.NEW.KPQR.WW.Y.0017.250321T0600Z-250322T0600Z/ eventEndingTime 2025-03-22T06:00:00+00:00

* WHAT...Heavy snow expected. Total snow accumulations between 10 and 20 inches for Stevens Pass. Winds gusting as high as 35 mph. * WHERE...Holden Village, Stevens Pass, and Stehekin. * WHEN...From 5 PM this afternoon to 5 AM PDT Saturday. * IMPACTS...Travel could be very difficult. Winter Storm Warning 2025-03-20T11:48:00-07:00 2025-03-20T11:48:00-07:00 2025-03-20T17:00:00-07:00 2025-03-21T06:00:00-07:00 Actual Update Met Expected Severe Likely Western Chelan County SAME 053007 UGC WAZ048 AWIPSidentifier WSWOTX WMOidentifier WWUS46 KOTX 201848 NWSheadline WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM PDT SATURDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR VTEC /O.CON.KOTX.WS.W.0007.250321T0000Z-250322T1200Z/ eventEndingTime 2025-03-22T12:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.82ac4629f7c3a06772a3c54699838034563b6e1a.001.1,2025-03-19T14:23:00-07:00

* WHAT...Snow. Additional snow accumulations up to 7 inches. * WHERE...Cascades of Pierce and Lewis Counties and Cascades of Southern King County. * WHEN...Until 11 PM PDT this evening. * IMPACTS...Roads, especially bridges and overpasses, will likely become slick and hazardous. Winter Weather Advisory 2025-03-20T10:52:00-07:00 2025-03-20T10:52:00-07:00 2025-03-20T10:52:00-07:00 2025-03-20T19:00:00-07:00 Actual Update Met Expected Moderate Likely Cascades of Southern King County; Cascades of Pierce and Lewis Counties UGC WAZ303 UGC WAZ304 AWIPSidentifier WSWSEW WMOidentifier WWUS46 KSEW 201752 NWSheadline WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KSEW.WW.Y.0013.000000T0000Z-250321T0600Z/ eventEndingTime 2025-03-21T06:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c5773f8374df9d3e8b04c52e4b6fc82697df4a0c.002.1,2025-03-19T14:34:00-07:00

* WHAT...Heavy snow expected. Total snow accumulations of 12 to 20 inches tonight through Saturday morning. Winds gusting as high as 40 mph. * WHERE...Cascades of Snohomish and Northern King Counties and Cascades of Whatcom and Skagit Counties. * WHEN...From 5 PM this afternoon to 5 AM PDT Saturday. * IMPACTS...Roads, especially bridges and overpasses, will likely become slick and hazardous. Winter Storm Warning 2025-03-20T10:52:00-07:00 2025-03-20T10:52:00-07:00 2025-03-20T17:00:00-07:00 2025-03-20T19:00:00-07:00 Actual Update Met Expected Severe Likely Cascades of Whatcom and Skagit Counties; Cascades of Snohomish and Northern King Counties UGC WAZ301 UGC WAZ302 AWIPSidentifier WSWSEW WMOidentifier WWUS46 KSEW 201752 NWSheadline WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM PDT SATURDAY... ...WINTER WEATHER ADVISORY WILL EXPIRE AT 11 AM PDT THIS MORNING BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR VTEC /O.CON.KSEW.WS.W.0005.250321T0000Z-250322T1200Z/ eventEndingTime 2025-03-22T12:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.c5773f8374df9d3e8b04c52e4b6fc82697df4a0c.001.1,2025-03-19T14:34:00-07:00

* WHAT...For the Winter Weather Advisory, snow expected. Total snow accumulations between 5 and 10 inches for Stevens Pass. For the Winter Storm Warning, heavy snow expected. Total snow accumulations between 10 and 18 inches for Stevens Pass. Winds gusting as high as 35 mph. * WHERE...Stehekin, Stevens Pass, and Holden Village. * WHEN...For the Winter Weather Advisory, until 11 AM PDT this morning. For the Winter Storm Warning, from 5 PM this afternoon to 5 AM PDT Saturday. * IMPACTS...Travel could be very difficult. Winter Weather Advisory 2025-03-20T03:43:00-07:00 2025-03-20T03:43:00-07:00 2025-03-20T03:43:00-07:00 2025-03-20T17:00:00-07:00 Actual Update Met Expected Moderate Likely Western Chelan County SAME 053007 UGC WAZ048 AWIPSidentifier WSWOTX WMOidentifier WWUS46 KOTX 201043 NWSheadline WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT THIS MORNING... ...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM PDT SATURDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KOTX.WW.Y.0020.000000T0000Z-250320T1800Z/ eventEndingTime 2025-03-20T18:00:00+00:00

* WHAT...For the Winter Weather Advisory, snow expected. Total snow accumulations between 5 and 10 inches for Stevens Pass. For the Winter Storm Warning, heavy snow expected. Total snow accumulations between 10 and 18 inches for Stevens Pass. Winds gusting as high as 35 mph. * WHERE...Stehekin, Stevens Pass, and Holden Village. * WHEN...For the Winter Weather Advisory, until 11 AM PDT this morning. For the Winter Storm Warning, from 5 PM this afternoon to 5 AM PDT Saturday. * IMPACTS...Travel could be very difficult. Winter Storm Warning 2025-03-20T03:43:00-07:00 2025-03-20T03:43:00-07:00 2025-03-20T17:00:00-07:00 2025-03-20T17:00:00-07:00 Actual Update Met Expected Severe Likely Western Chelan County SAME 053007 UGC WAZ048 AWIPSidentifier WSWOTX WMOidentifier WWUS46 KOTX 201043 NWSheadline WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 AM PDT THIS MORNING... ...WINTER STORM WARNING REMAINS IN EFFECT FROM 5 PM THIS AFTERNOON TO 5 AM PDT SATURDAY BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR VTEC /O.CON.KOTX.WS.W.0007.250321T0000Z-250322T1200Z/ eventEndingTime 2025-03-22T12:00:00+00:00

* WHAT...Heavy snow expected. Total snow accumulations up to 15 inches. Accumulations up to 20 inches above 5000 feet. Winds gusting as high as 35 mph. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...Until 11 PM PDT this evening. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...The bulk of the heaviest snow will fall between through 11 AM Thursday. Winter Storm Warning 2025-03-20T03:40:00-07:00 2025-03-20T03:40:00-07:00 2025-03-20T03:40:00-07:00 2025-03-20T16:45:00-07:00 Actual Update Met Expected Severe Likely North Oregon Cascades; Cascades of Marion and Linn Counties; Cascades of Lane County; South Washington Cascades SAME 041005 SAME 041027 SAME 041051 SAME 041047 SAME 041043 SAME 041039 SAME 053059 SAME 053015 SAME 053011 UGC ORZ126 UGC ORZ127 UGC ORZ128 UGC WAZ211 AWIPSidentifier WSWPQR WMOidentifier WWUS46 KPQR 201040 NWSheadline WINTER STORM WARNING REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS EAS-ORG WXR VTEC /O.CON.KPQR.WS.W.0008.000000T0000Z-250321T0600Z/ eventEndingTime 2025-03-21T06:00:00+00:00

* WHAT...Snow. Additional snow accumulations of 1 to 3 inches above 3500 feet and 4 to 7 inches above 4500 feet. Winds gusting as high as 45 mph on exposed ridgelines. * WHERE...In Oregon, Northern Blue Mountains of Oregon. In Washington, Northwest Blue Mountains. * WHEN...Until 11 PM PDT this evening. * IMPACTS...Travel could be difficult due to periods of moderate to heavy snow. Gusty winds could bring down tree branches. Winter Weather Advisory 2025-03-20T03:40:00-07:00 2025-03-20T03:40:00-07:00 2025-03-20T03:40:00-07:00 2025-03-20T17:00:00-07:00 Actual Update Met Expected Moderate Likely Northern Blue Mountains of Oregon; Northwest Blue Mountains SAME 041059 SAME 041061 SAME 041063 SAME 053013 SAME 053071 UGC ORZ502 UGC WAZ030 AWIPSidentifier WSWPDT WMOidentifier WWUS46 KPDT 201040 NWSheadline WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING ABOVE 4500 FEET BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPDT.WW.Y.0020.000000T0000Z-250321T0600Z/ eventEndingTime 2025-03-21T06:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.325519622e76f8afda5219932918d982ec55a07f.003.1,2025-03-19T13:45:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.ef939c1be28193ed92b11fd06619f8af89b6dcb6.001.1,2025-03-19T03:13:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.1efe48dd665c8d334881913af536d356da573c23.001.1,2025-03-18T20:21:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.7c330c32f9847093616b144db14819aefeef6da6.001.1,2025-03-18T14:00:00-07:00 w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.5cd7ae5863aebbeefab4135b9c674aa3de6fb5f3.001.1,2025-03-18T14:44:00-07:00

* WHAT...Snow. Additional snow accumulations of 3 to 8 inches above 3000 feet. Winds gusting as high as 35 mph on exposed ridgelines. * WHERE...Upper Slopes of the Eastern Washington Cascades Crest. * WHEN...Until 11 PM PDT this evening. * IMPACTS...Periods of moderate to heavy snow and breezy conditions will combine with low visibilities to create difficult driving conditions. Winter Weather Advisory 2025-03-20T03:40:00-07:00 2025-03-20T03:40:00-07:00 2025-03-20T03:40:00-07:00 2025-03-20T17:00:00-07:00 Actual Update Met Expected Moderate Likely Upper Slopes of the Eastern Washington Cascades Crest SAME 053037 SAME 053077 UGC WAZ522 AWIPSidentifier WSWPDT WMOidentifier WWUS46 KPDT 201040 NWSheadline WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 11 PM PDT THIS EVENING BLOCKCHANNEL EAS BLOCKCHANNEL NWEM BLOCKCHANNEL CMAS VTEC /O.CON.KPDT.WW.Y.0020.000000T0000Z-250321T0600Z/ eventEndingTime 2025-03-21T06:00:00+00:00 expiredReferences w-nws.webmaster@noaa.gov,urn:oid:2.49.0.1.840.0.325519622e76f8afda5219932918d982ec55a07f.002.1,2025-03-19T13:45:00-07:00