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.

light rain,mist

45°F

7°C

Humidity 100%
Wind Speed W 5 MPH
Barometer 30.05 in (1017.61 mb)
Dewpoint 45°F (7°C)
Visibility 4.00 mi
Wind Chill42°F (6°C)
Last update 20 Mar 04:18 AM PDT
Extended Forecast for

8 Miles SE Snoqualmie Pass WA

  • Overnight

    Overnight: Rain. Low around 40. West wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 40 °F

    Rain

  • Friday

    Friday: Rain. High near 42. West wind 7 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 42 °F

    Rain

  • Friday Night

    Friday Night: Rain likely before 8pm, then a slight chance of rain and snow between 8pm and 11pm, then a chance of snow after 11pm. Mostly cloudy, with a low around 27. Northwest wind 9 to 11 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 27 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Saturday

    Saturday: A 40 percent chance of snow, mainly between 8am and 11am. Mostly sunny, with a high near 32. West wind 9 to 13 mph.

    High: 32 °F

    Chance Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow. Partly cloudy, with a low around 22. West wind 6 to 14 mph.

    Low: 22 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: A 30 percent chance of snow, mainly after 11am. Mostly sunny, with a high near 36.

    High: 36 °F

    Chance Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 41.

    High: 41 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 50 percent chance of snow after 11pm. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Chance Snow

Detailed Forecast

Overnight
Rain. Low around 40. West wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Rain. High near 42. West wind 7 to 10 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Friday Night
Rain likely before 8pm, then a slight chance of rain and snow between 8pm and 11pm, then a chance of snow after 11pm. Mostly cloudy, with a low around 27. Northwest wind 9 to 11 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday
A 40 percent chance of snow, mainly between 8am and 11am. Mostly sunny, with a high near 32. West wind 9 to 13 mph.
Saturday Night
A 20 percent chance of snow. Partly cloudy, with a low around 22. West wind 6 to 14 mph.
Sunday
A 30 percent chance of snow, mainly after 11am. Mostly sunny, with a high near 36.
Sunday Night
Mostly cloudy, with a low around 25.
Monday
Mostly cloudy, with a high near 41.
Monday Night
A 50 percent chance of snow after 11pm. Mostly cloudy, with a low around 31.
Tuesday
Rain, possibly mixed with snow. Mostly cloudy, with a high near 37.
Tuesday Night
Rain and snow. Mostly cloudy, with a low around 26.
Wednesday
Snow. Partly sunny, with a high near 32.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 21.
Thursday
A chance of snow. Mostly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
8 Miles SE Snoqualmie Pass WA
 47.34°N 121.29°W (Elev. 4731 ft)
Last Update:
4:20 am PDT Mar 20, 2026
Forecast Valid:
4am 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