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

ALPENTAL EXIT (TALPE)

Lat: 47.427°NLon: 121.418°WElev: 2972.0ft.

Rain

43°F

6°C

Humidity 100%
Wind Speed SSW 1 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility 1.24 mi
Last update 20 Mar 04:21 AM PDT
Extended Forecast for

Snoqualmie Pass WA

Flood Watch March 20, 04:40am until March 20, 05:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch March 20, 04:40am until March 20, 05:00pm

    NOW until 5:00pm Fri

    Flood Watch

  • Overnight

    Low: 43 °F

    Rain

  • Friday

    Friday: Rain. High near 45. West wind 3 to 5 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 45 °F

    Rain

  • Friday Night

    Friday Night: Rain showers likely before 11pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 31. West northwest wind 3 to 5 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain/Snow
    Likely

  • Saturday

    Saturday: A 50 percent chance of snow showers. Partly sunny, with a high near 35. West northwest wind 3 to 6 mph. New snow accumulation of less than a half inch possible.

    High: 35 °F

    Chance Snow
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 25. West northwest wind around 5 mph becoming calm in the evening. Little or no snow accumulation expected.

    Low: 25 °F

    Chance Snow
    Showers

  • Sunday

    Sunday: A chance of snow before 5pm, then a chance of rain and snow. Partly sunny, with a high near 39. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 39 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A slight chance of rain and snow before 8pm, then a slight chance of snow between 8pm and 11pm. Mostly cloudy, with a low around 28. Chance of precipitation is 20%.

    Low: 28 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Monday

    Monday: A slight chance of snow after 5pm. Mostly cloudy, with a high near 44.

    High: 44 °F

    Mostly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Overnight
Rain. Low around 43. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
Rain. High near 45. West wind 3 to 5 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday Night
Rain showers likely before 11pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 31. West northwest wind 3 to 5 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
A 50 percent chance of snow showers. Partly sunny, with a high near 35. West northwest wind 3 to 6 mph. New snow accumulation of less than a half inch possible.
Saturday Night
A 30 percent chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 25. West northwest wind around 5 mph becoming calm in the evening. Little or no snow accumulation expected.
Sunday
A chance of snow before 5pm, then a chance of rain and snow. Partly sunny, with a high near 39. Chance of precipitation is 40%. Little or no snow accumulation expected.
Sunday Night
A slight chance of rain and snow before 8pm, then a slight chance of snow between 8pm and 11pm. Mostly cloudy, with a low around 28. Chance of precipitation is 20%.
Monday
A slight chance of snow after 5pm. Mostly cloudy, with a high near 44.
Monday Night
A slight chance of rain and snow before 8pm, then a slight chance of rain between 8pm and 11pm, then rain and snow likely after 11pm. Mostly cloudy, with a low around 35.
Tuesday
Rain and snow, becoming all rain after 11am. Cloudy, with a high near 41.
Tuesday Night
Rain and snow. Cloudy, with a low around 30.
Wednesday
Rain and snow. Cloudy, with a high near 35.
Wednesday Night
Rain and snow likely. Mostly cloudy, with a low around 24.
Thursday
A chance of snow. Partly sunny, with a high near 39.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Snoqualmie Pass WA
 47.41°N 121.44°W (Elev. 3097 ft)
Last Update:
1:53 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