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

41°F

5°C

Humidity 100%
Wind Speed NNW 3 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility 1.24 mi
Last update 20 Mar 06:51 AM PDT
Extended Forecast for

10 Miles SW Snoqualmie Pass WA

Flood Watch March 20, 07:13am until March 20, 05:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch March 20, 07:13am until March 20, 05:00pm

    NOW until 5:00pm Fri

    Flood Watch

  • Today

    High: 47 °F

    Rain

  • Tonight

    Tonight: Rain showers likely before 11pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 32. West wind 3 to 5 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain/Snow
    Likely

  • Saturday

    Saturday: Snow showers likely, mainly before 11am. Partly sunny, with a steady temperature around 34. West northwest wind 3 to 8 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Snow Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of snow showers, mainly before 11pm. Partly cloudy, with a low around 26. West northwest wind 5 to 7 mph becoming calm in the evening. New snow accumulation of less than a half inch possible.

    Low: 26 °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 40. Calm wind becoming west around 6 mph in the afternoon. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 40 °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 29. Chance of precipitation is 20%.

    Low: 29 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 46.

    High: 46 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Rain likely before 2am, then rain and snow likely. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Rain Likely
    then
    Rain/Snow
    Likely

Detailed Forecast

Today
Rain. High near 47. West wind 3 to 7 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Tonight
Rain showers likely before 11pm, then a chance of rain and snow showers. Mostly cloudy, with a low around 32. West wind 3 to 5 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
Snow showers likely, mainly before 11am. Partly sunny, with a steady temperature around 34. West northwest wind 3 to 8 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday Night
A 30 percent chance of snow showers, mainly before 11pm. Partly cloudy, with a low around 26. West northwest wind 5 to 7 mph becoming calm in the evening. New snow accumulation of less than a half inch possible.
Sunday
A chance of snow before 5pm, then a chance of rain and snow. Partly sunny, with a high near 40. Calm wind becoming west around 6 mph in the afternoon. 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 29. Chance of precipitation is 20%.
Monday
Mostly cloudy, with a high near 46.
Monday Night
Rain likely before 2am, then rain and snow likely. Mostly cloudy, with a low around 36.
Tuesday
Rain and snow, becoming all rain after 11am. Cloudy, with a high near 43.
Tuesday Night
Rain before 11pm, then rain and snow. Cloudy, with a low around 32.
Wednesday
Rain and snow. Cloudy, with a high near 37.
Wednesday Night
Rain and snow likely. Mostly cloudy, with a low around 26.
Thursday
A chance of rain and snow. Partly sunny, with a high near 41.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
10 Miles SW Snoqualmie Pass WA
 47.31°N 121.53°W (Elev. 3225 ft)
Last Update:
1:53 am PDT Mar 20, 2026
Forecast Valid:
7am PDT Mar 20, 2026-6pm PDT Mar 26, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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