National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Heat the Southwest; Fire Weather in the Central U.S.; Kona Low Impacting Hawaii

A rare March heat wave is ongoing with much above-normal temperatures over the Southwest U.S. through this weekend. Periods of critical fire weather will persist from the central Rockies to the central and southern Plains through the weekend as gusty winds and low relative humidity continue. A Kona low will continue to bring several rounds of moderate to heavy rainfall to Hawaii through Sunday. Read More >

Hazardous Weather Conditions

Current conditions at

Snoqualmie Pass (SNO30)

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

NA

41°F

5°C

Humidity 99%
Wind Speed NA NA MPH
Barometer 30.07 in (1018.29 mb)
Dewpoint 41°F (5°C)
Visibility NA
Last update 20 Mar 04:00 AM PDT
Extended Forecast for

Snoqualmie Pass WA

  • Overnight

    Overnight: Rain. Low around 42. Calm wind. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 42 °F

    Rain

  • Friday

    Friday: Rain. High near 45. Light west wind. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 45 °F

    Rain

  • Friday Night

    Friday Night: Rain before 2am, then a chance of rain and snow. Low around 30. Light northwest wind. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Rain then
    Chance
    Rain/Snow

  • Saturday

    Saturday: A 50 percent chance of snow. Partly sunny, with a high near 35. Calm wind becoming west around 5 mph in the afternoon. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow, mainly before 11pm. Partly cloudy, with a low around 24. Light west wind.

    Low: 24 °F

    Chance Snow

  • Sunday

    Sunday: A chance of snow before 5pm, then a chance of rain and snow. Partly sunny, with a high near 39. Chance of precipitation is 40%.

    High: 39 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A slight chance of rain and snow before 8pm, then a slight chance of snow between 8pm and 11pm. Mostly cloudy, with a low around 27. Chance of precipitation is 20%.

    Low: 27 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 44.

    High: 44 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of rain and snow, mainly after 11pm. Mostly cloudy, with a low around 33. Chance of precipitation is 50%.

    Low: 33 °F

    Chance
    Rain/Snow

Detailed Forecast

Overnight
Rain. Low around 42. Calm wind. Chance of precipitation is 100%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain. High near 45. Light west wind. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Friday Night
Rain before 2am, then a chance of rain and snow. Low around 30. Light northwest wind. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday
A 50 percent chance of snow. Partly sunny, with a high near 35. Calm wind becoming west around 5 mph in the afternoon. New snow accumulation of less than a half inch possible.
Saturday Night
A 30 percent chance of snow, mainly before 11pm. Partly cloudy, with a low around 24. Light west wind.
Sunday
A chance of snow before 5pm, then a chance of rain and snow. Partly sunny, with a high near 39. Chance of precipitation is 40%.
Sunday Night
A slight chance of rain and snow before 8pm, then a slight chance of snow between 8pm and 11pm. Mostly cloudy, with a low around 27. Chance of precipitation is 20%.
Monday
Mostly cloudy, with a high near 44.
Monday Night
A chance of rain and snow, mainly after 11pm. Mostly cloudy, with a low around 33. Chance of precipitation is 50%.
Tuesday
Rain, possibly mixed with snow, becoming all rain after 11am. Mostly cloudy, with a high near 41.
Tuesday Night
Rain and snow. Mostly cloudy, with a low around 29.
Wednesday
Rain and snow. Partly sunny, with a high near 35.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 24.
Thursday
A chance of snow. Mostly sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Snoqualmie Pass WA
 47.43°N 121.41°W (Elev. 3087 ft)
Last Update:
4:20 am PDT Mar 20, 2026
Forecast Valid:
5am PDT Mar 20, 2026-6pm PDT Mar 26, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation