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

42°F

6°C

Humidity 99%
Wind Speed NA NA MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 42°F (6°C)
Visibility NA
Last update 20 Mar 08:00 AM PDT
Extended Forecast for

Snoqualmie Pass WA

  • Today

    Today: Rain. High near 47. West wind around 6 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 47 °F

    Rain

  • Tonight

    Tonight: Rain before 11pm, then a chance of rain and snow. Low around 32. Northwest wind 3 to 5 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Saturday

    Saturday: A 50 percent chance of snow. Partly sunny, with a steady temperature around 34. Northwest wind 3 to 6 mph. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 30 percent chance of snow, mainly before 11pm. Partly cloudy, with a low around 26. West wind around 6 mph becoming calm in the evening.

    Low: 26 °F

    Chance Snow

  • Sunday

    Sunday: A chance of snow before 2pm, then a chance of rain and snow between 2pm and 5pm, then a chance of rain after 5pm. Partly sunny, with a high near 40. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 40%.

    High: 40 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A slight chance of rain, mixing with snow after 8pm, then gradually ending. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 45.

    High: 45 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A slight chance of rain before 11pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.

    Low: 36 °F

    Rain/Snow
    Likely

  • Tuesday

    Tuesday: Rain, possibly mixed with snow, becoming all rain after 11am. High near 43. Chance of precipitation is 90%.

    High: 43 °F

    Rain/Snow
    then Rain

Detailed Forecast

Today
Rain. High near 47. West wind around 6 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tonight
Rain before 11pm, then a chance of rain and snow. Low around 32. Northwest wind 3 to 5 mph. 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 steady temperature around 34. Northwest wind 3 to 6 mph. 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 26. West wind around 6 mph becoming calm in the evening.
Sunday
A chance of snow before 2pm, then a chance of rain and snow between 2pm and 5pm, then a chance of rain after 5pm. Partly sunny, with a high near 40. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 40%.
Sunday Night
A slight chance of rain, mixing with snow after 8pm, then gradually ending. Mostly cloudy, with a low around 29. Chance of precipitation is 20%.
Monday
Mostly cloudy, with a high near 45.
Monday Night
A slight chance of rain before 11pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Tuesday
Rain, possibly mixed with snow, becoming all rain after 11am. High near 43. Chance of precipitation is 90%.
Tuesday Night
Rain before 8pm, then rain and snow. Mostly cloudy, with a low around 31.
Wednesday
Rain and snow. Partly sunny, with a high near 37.
Wednesday Night
Rain and snow likely. Mostly cloudy, with a low around 26.
Thursday
A chance of rain and snow. Mostly sunny, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Snoqualmie Pass WA
 47.42°N 121.44°W (Elev. 2569 ft)
Last Update:
7:37 am PDT Mar 20, 2026
Forecast Valid:
8am 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