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

22°F

-6°C

Humidity 94%
Wind Speed NA NA MPH
Barometer 30.34 in (1027.43 mb)
Dewpoint 21°F (-6°C)
Visibility NA
Last update 15 Mar 12:00 AM PDT
Extended Forecast for

Snoqualmie Pass WA

  • Overnight

    Overnight: Mostly cloudy, with a low around 19. Calm wind.

    Low: 19 °F

    Mostly Cloudy

  • Sunday

    Sunday: Snow likely after 11am, mixing with rain after 5pm.  Mostly cloudy, with a high near 35. Calm wind.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Slight Chance
    Snow then
    Rain/Snow
    Likely

  • Sunday Night

    Sunday Night: Rain, possibly mixed with snow, becoming all rain after 2am.  Temperature rising to around 36 by 5am. Calm wind.  Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Low: 33 °F

    Rain/Snow

  • Monday

    Monday: Rain.  High near 44. Calm wind.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 44 °F

    Rain

  • Monday Night

    Monday Night: Rain likely.  Mostly cloudy, with a low around 38. Calm wind.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain Likely

  • Tuesday

    Tuesday: Rain.  High near 43. Chance of precipitation is 90%.

    High: 43 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain.  Low around 39. Chance of precipitation is 90%.

    Low: 39 °F

    Rain

  • Wednesday

    Wednesday: Rain.  High near 44. Chance of precipitation is 90%.

    High: 44 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain.  Low around 40. Chance of precipitation is 90%.

    Low: 40 °F

    Rain

Detailed Forecast

Overnight
Mostly cloudy, with a low around 19. Calm wind.
Sunday
Snow likely after 11am, mixing with rain after 5pm. Mostly cloudy, with a high near 35. Calm wind. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Sunday Night
Rain, possibly mixed with snow, becoming all rain after 2am. Temperature rising to around 36 by 5am. Calm wind. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.
Monday
Rain. High near 44. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Rain likely. Mostly cloudy, with a low around 38. Calm wind. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain. High near 43. Chance of precipitation is 90%.
Tuesday Night
Rain. Low around 39. Chance of precipitation is 90%.
Wednesday
Rain. High near 44. Chance of precipitation is 90%.
Wednesday Night
Rain. Low around 40. Chance of precipitation is 90%.
Thursday
Rain. Mostly cloudy, with a high near 45.
Thursday Night
Rain. Mostly cloudy, with a low around 40.
Friday
Rain likely. Mostly cloudy, with a high near 47.
Friday Night
Rain and snow likely. Mostly cloudy, with a low around 39.
Saturday
A chance of rain and snow. Mostly cloudy, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
Snoqualmie Pass WA
 47.41°N 121.41°W (Elev. 2812 ft)
11:50 pm PDT Mar 14, 2026
1am 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