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

35°F

2°C

Humidity 100%
Wind Speed NA NA MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 35°F (2°C)
Visibility NA
Last update 21 Mar 02:00 AM PDT
Extended Forecast for

4 Miles SE Snoqualmie Pass WA

  • Overnight

    Overnight: A 20 percent chance of snow. Mostly cloudy, with a steady temperature around 32. Northwest wind around 7 mph.

    Low: 32 °F

    Slight Chance
    Snow

  • Saturday

    Saturday: A 20 percent chance of snow before 8am. Partly sunny, with a high near 32. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.

    High: 32 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 21. West wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 21 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of snow after 8am. Mostly sunny, with a high near 37. West wind 6 to 8 mph.

    High: 37 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 24. West wind 5 to 7 mph.

    Low: 24 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 31. New snow accumulation of less than one inch possible.

    Low: 31 °F

    Chance Snow

  • Tuesday

    Tuesday: Snow before 11am, then rain, possibly mixed with snow. High near 38. Chance of precipitation is 100%.

    High: 38 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow, becoming all snow after 11pm. Low around 26. Chance of precipitation is 90%.

    Low: 26 °F

    Rain/Snow
    then Snow
    Likely

Detailed Forecast

Overnight
A 20 percent chance of snow. Mostly cloudy, with a steady temperature around 32. Northwest wind around 7 mph.
Saturday
A 20 percent chance of snow before 8am. Partly sunny, with a high near 32. Northwest wind 8 to 10 mph, with gusts as high as 20 mph.
Saturday Night
Partly cloudy, with a low around 21. West wind 6 to 10 mph, with gusts as high as 20 mph.
Sunday
A 20 percent chance of snow after 8am. Mostly sunny, with a high near 37. West wind 6 to 8 mph.
Sunday Night
Mostly cloudy, with a low around 24. West wind 5 to 7 mph.
Monday
Partly sunny, with a high near 40.
Monday Night
A 50 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 31. New snow accumulation of less than one inch possible.
Tuesday
Snow before 11am, then rain, possibly mixed with snow. High near 38. Chance of precipitation is 100%.
Tuesday Night
Rain and snow, becoming all snow after 11pm. Low around 26. Chance of precipitation is 90%.
Wednesday
Snow. Partly sunny, with a high near 34.
Wednesday Night
Snow. Mostly cloudy, with a low around 24.
Thursday
A chance of snow. Partly sunny, with a high near 34.
Thursday Night
A chance of snow. Partly cloudy, with a low around 21.
Friday
A slight chance of snow. Partly sunny, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SE Snoqualmie Pass WA
 47.37°N 121.33°W (Elev. 4629 ft)
Last Update:
2:30 am PDT Mar 21, 2026
Forecast Valid:
3am PDT Mar 21, 2026-6pm PDT Mar 27, 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