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

43°F

6°C

Humidity 100%
Wind Speed NA NA MPH
Barometer 30.08 in (1018.63 mb)
Dewpoint 43°F (6°C)
Visibility NA
Last update 20 Mar 11:00 AM PDT
Extended Forecast for

8 Miles E Snoqualmie Pass WA

  • Today

    Today: Rain. High near 48. West wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 48 °F

    Rain

  • Tonight

    Tonight: Rain likely before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 31. Northwest wind 3 to 5 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 31 °F

    Rain Likely
    then Chance
    Rain/Snow

  • Saturday

    Saturday: A 40 percent chance of snow, mainly before 11am. Mostly sunny, with a high near 39. West wind 3 to 6 mph.

    High: 39 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow. Partly cloudy, with a low around 25. West wind around 6 mph becoming calm in the evening.

    Low: 25 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: A 30 percent chance of snow. Partly sunny, with a high near 43. Light west wind.

    High: 43 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 48.

    High: 48 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A chance of rain and snow after 11pm. Mostly cloudy, with a low around 34. Chance of precipitation is 50%.

    Low: 34 °F

    Chance
    Rain/Snow

  • Tuesday

    Tuesday: Rain, possibly mixed with snow, becoming all rain after 11am. High near 45. Chance of precipitation is 90%.

    High: 45 °F

    Rain/Snow
    then Rain

Detailed Forecast

Today
Rain. High near 48. West wind around 6 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Tonight
Rain likely before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 31. Northwest wind 3 to 5 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday
A 40 percent chance of snow, mainly before 11am. Mostly sunny, with a high near 39. West wind 3 to 6 mph.
Saturday Night
A 20 percent chance of snow. Partly cloudy, with a low around 25. West wind around 6 mph becoming calm in the evening.
Sunday
A 30 percent chance of snow. Partly sunny, with a high near 43. Light west wind.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
Mostly cloudy, with a high near 48.
Monday Night
A chance of rain and snow after 11pm. Mostly cloudy, with a low around 34. Chance of precipitation is 50%.
Tuesday
Rain, possibly mixed with snow, becoming all rain after 11am. High near 45. Chance of precipitation is 90%.
Tuesday Night
Rain, possibly mixed with snow. Mostly cloudy, with a low around 30.
Wednesday
Rain and snow. Partly sunny, with a high near 38.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 24.
Thursday
A chance of snow. Mostly sunny, with a high near 42.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles E Snoqualmie Pass WA
 47.41°N 121.25°W (Elev. 3100 ft)
Last Update:
10:32 am PDT Mar 20, 2026
Forecast Valid:
11am 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