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Winter Storm Warning


Event Continued Expired

Start Time

Tue 02/23/2021 07:40 AM EST

End Time

Wed 02/24/2021 01:00 AM EST




High impact

Locations Affected

Hamilton, WA ∙ Mount Challenger, WA ∙ Longmire, WA ∙ Diablo, WA ∙ Wickersham, WA ∙ Greenwater, WA ∙ Baring, WA ∙ Kendall, WA ∙ Oso, WA ∙ Newhalem, WA

Full Alert Message

URGENT - WINTER WEATHER MESSAGE National Weather Service Seattle WA 440 AM PST Tue Feb 23 2021 WAZ567>569-240000- /O.CON.KSEW.WS.W.0010.000000T0000Z-210224T0600Z/ Cascades of Whatcom and Skagit Counties- Cascades of Snohomish and King Counties- Cascades of Pierce and Lewis Counties- including Newhalem, Stevens Pass, Snoqualmie Pass, Paradise, and Longmire 440 AM PST Tue Feb 23 2021 ...WINTER STORM WARNING REMAINS IN EFFECT UNTIL 10 PM PST THIS EVENING ABOVE 2000 FEET... * WHAT...Heavy snow expected above 2000 feet. Total snow accumulations of 12 to 24 inches. Total accumulations at the passes expected to be 18 to 24 inches. * WHERE...Cascade mountains and valleys of Whatcom and Skagit Counties, including Mount Baker Ski Area, Cascade mountains and valleys of Snohomish and King Counties, including Stevens Pass and Snoqualmie Pass, and Cascade mountains and valleys of Pierce and Lewis Counties, including the Crystal Mountain Ski Area, as well as Paradise on Mount Rainier. * WHEN...Until 10 PM PST Tuesday. * IMPACTS...Travel could be very difficult. * ADDITIONAL DETAILS...Periods of very heavy snowfall rates are expected at Stevens and Snoqualmie Passes in any snow bands that set up. Rates of 1 to 2"/hr will be possible in the heaviest bands. PRECAUTIONARY/PREPAREDNESS ACTIONS... If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. For the latest road conditions in Washington state, call 5 1 1. &&