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

Stampede Pass (KSMP)

Lat: 47.27648°NLon: 121.33817°WElev: 3970.0ft.

unknown precip,mist

30°F

-1°C

Humidity 100%
Wind Speed W 6 MPH
Barometer 30.06 in (1017.95 mb)
Dewpoint 30°F (-1°C)
Visibility 2.00 mi
Wind Chill24°F (-4°C)
Last update 21 Mar 07:50 AM PDT
Extended Forecast for

8 Miles SSE Snoqualmie Pass WA

  • Today

    Today: Mostly sunny, with a high near 39. West wind 3 to 5 mph.

    High: 39 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 26. Light west wind.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: A slight chance of snow between 8am and 11am. Mostly sunny, with a high near 44. Calm wind. Chance of precipitation is 20%.

    High: 44 °F

    Slight Chance
    Snow then
    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 28. Calm wind.

    Low: 28 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 47. Calm wind.

    High: 47 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain. High near 44. Chance of precipitation is 100%.

    High: 44 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain before 11pm, then rain likely, possibly mixed with snow. Low around 30. Chance of precipitation is 90%.

    Low: 30 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow. High near 40. Chance of precipitation is 80%.

    High: 40 °F

    Rain/Snow

Detailed Forecast

Today
Mostly sunny, with a high near 39. West wind 3 to 5 mph.
Tonight
Partly cloudy, with a low around 26. Light west wind.
Sunday
A slight chance of snow between 8am and 11am. Mostly sunny, with a high near 44. Calm wind. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 28. Calm wind.
Monday
Partly sunny, with a high near 47. Calm wind.
Monday Night
A 50 percent chance of rain, mainly after 11pm. Mostly cloudy, with a low around 35.
Tuesday
Rain. High near 44. Chance of precipitation is 100%.
Tuesday Night
Rain before 11pm, then rain likely, possibly mixed with snow. Low around 30. Chance of precipitation is 90%.
Wednesday
Rain and snow. High near 40. Chance of precipitation is 80%.
Wednesday Night
Snow, possibly mixed with rain before 11pm, then a chance of snow. Mostly cloudy, with a low around 27.
Thursday
A chance of rain and snow. Partly sunny, with a high near 40.
Thursday Night
A slight chance of rain and snow. Partly cloudy, with a low around 25.
Friday
A slight chance of rain and snow. Mostly sunny, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SSE Snoqualmie Pass WA
 47.31°N 121.31°W (Elev. 2470 ft)
Last Update:
4:20 am PDT Mar 21, 2026
Forecast Valid:
8am 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