Tracking a Winter Storm; Unusual Early-Season Heat Wave in the Southwest

A major winter storm will organize across the Northern Plains today and then rapidly strengthen as it moves into the Great Lakes on Sunday. Heavy snow and blowing snow are likely to persist over the Great Lakes into Monday night. Dry and gusty winds will produce a critical fire risk across the central/southern Plains. An early heatwave will begin to intensify over the western U.S. into next week. Read More >

Hazardous Weather Conditions

Current conditions at

Snoqualmie Pass (SNO30)

Lat: 47.42487°NLon: 121.41395°WElev: 3010.0ft.

NA

23°F

-5°C

Humidity 94%
Wind Speed NA NA MPH
Barometer 30.35 in (1027.77 mb)
Dewpoint 21°F (-6°C)
Visibility NA
Last update 15 Mar 03:00 AM PDT
Extended Forecast for

4 Miles SE Snoqualmie Pass WA

  • Overnight

    Overnight: Mostly cloudy, with a low around 16. North wind around 5 mph.

    Low: 16 °F

    Mostly Cloudy

  • Sunday

    Sunday: Snow, mainly after 11am.  High near 31. East wind 5 to 7 mph becoming southeast in the afternoon.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 31 °F

    Slight Chance
    Snow then
    Snow

  • Sunday Night

    Sunday Night: Snow, possibly mixed with rain, becoming all rain after 2am.  Temperature rising to around 34 by 5am. South wind around 6 mph becoming west in the evening.  Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

    Low: 30 °F

    Rain/Snow

  • Monday

    Monday: Rain.  High near 39. West wind around 8 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 39 °F

    Rain

  • Monday Night

    Monday Night: Rain likely, mainly after 11pm.  Mostly cloudy, with a low around 35. West wind 7 to 11 mph, with gusts as high as 23 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 35 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain.  High near 40. Chance of precipitation is 90%.

    High: 40 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 36. Chance of precipitation is 100%.

    Low: 36 °F

    Rain

  • Wednesday

    Wednesday: Rain.  High near 39. Chance of precipitation is 90%.

    High: 39 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain.  Low around 36. Chance of precipitation is 90%.

    Low: 36 °F

    Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 16. North wind around 5 mph.
Sunday
Snow, mainly after 11am. High near 31. East wind 5 to 7 mph becoming southeast in the afternoon. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Sunday Night
Snow, possibly mixed with rain, becoming all rain after 2am. Temperature rising to around 34 by 5am. South wind around 6 mph becoming west in the evening. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.
Monday
Rain. High near 39. West wind around 8 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Monday Night
Rain likely, mainly after 11pm. Mostly cloudy, with a low around 35. West wind 7 to 11 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain. High near 40. Chance of precipitation is 90%.
Tuesday Night
Rain. Low around 36. Chance of precipitation is 100%.
Wednesday
Rain. High near 39. Chance of precipitation is 90%.
Wednesday Night
Rain. Low around 36. Chance of precipitation is 90%.
Thursday
Rain. Cloudy, with a high near 40.
Thursday Night
Rain. Mostly cloudy, with a low around 36.
Friday
Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 43.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 35.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Snoqualmie Pass WA
 47.37°N 121.33°W (Elev. 4629 ft)
2:30 am PDT Mar 15, 2026
3am PDT Mar 15, 2026-6pm PDT Mar 21, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database