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 12:00 AM PDT
Extended Forecast for

3 Miles ESE Snoqualmie Pass WA

  • Overnight

    Overnight: A 30 percent chance of snow, mainly after 2am. Mostly cloudy, with a low around 27. Northwest wind around 10 mph.

    Low: 27 °F

    Chance Snow

  • Saturday

    Saturday: A 20 percent chance of snow before 11am. Partly sunny, with a high near 31. Northwest wind 10 to 14 mph, with gusts as high as 21 mph.

    High: 31 °F

    Slight Chance
    Snow then
    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow. Partly cloudy, with a low around 21. West wind 7 to 13 mph, with gusts as high as 20 mph.

    Low: 21 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: A 30 percent chance of snow, mainly before 11am. Mostly sunny, with a high near 36. West wind 7 to 10 mph.

    High: 36 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 24. Northwest wind 6 to 10 mph.

    Low: 24 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 42.

    High: 42 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 40 percent chance of snow after 11pm. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Chance Snow

  • Tuesday

    Tuesday: Snow before 11am, then rain, possibly mixed with snow. High near 38. Chance of precipitation is 90%.

    High: 38 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow, becoming all snow after 2am. Low around 28. Chance of precipitation is 90%.

    Low: 28 °F

    Rain/Snow

Detailed Forecast

Overnight
A 30 percent chance of snow, mainly after 2am. Mostly cloudy, with a low around 27. Northwest wind around 10 mph.
Saturday
A 20 percent chance of snow before 11am. Partly sunny, with a high near 31. Northwest wind 10 to 14 mph, with gusts as high as 21 mph.
Saturday Night
A 20 percent chance of snow. Partly cloudy, with a low around 21. West wind 7 to 13 mph, with gusts as high as 20 mph.
Sunday
A 30 percent chance of snow, mainly before 11am. Mostly sunny, with a high near 36. West wind 7 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 24. Northwest wind 6 to 10 mph.
Monday
Mostly cloudy, with a high near 42.
Monday Night
A 40 percent chance of snow after 11pm. Mostly cloudy, with a low around 31.
Tuesday
Snow before 11am, then rain, possibly mixed with snow. High near 38. Chance of precipitation is 90%.
Tuesday Night
Rain and snow, becoming all snow after 2am. Low around 28. Chance of precipitation is 90%.
Wednesday
Snow. The snow could be heavy at times. Mostly cloudy, with a high near 32.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 22.
Thursday
A chance of snow. Mostly sunny, with a high near 35.
Thursday Night
Mostly clear, with a low around 21.
Friday
A slight chance of snow. Mostly sunny, with a high near 40.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Snoqualmie Pass WA
 47.39°N 121.34°W (Elev. 5131 ft)
Last Update:
10:15 pm PDT Mar 20, 2026
Forecast Valid:
1am 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