National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Dangerous Heat over the South-Central and Southwest U.S. Through Next Week

Dangerous heat persists across the Desert Southwest through this weekend and across the Southern Plains and Lower Mississippi Valley through at least the middle of next week. Numerous daily record high temperatures are expected through at least Tuesday for much of Texas and Oklahoma as well as portions of Louisiana, New Mexico, and Arizona. Read More >

Hazardous Weather Conditions

Current conditions at

ALPENTAL EXIT (TALPE)

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

unknown precip

55°F

13°C

Humidity 100%
Wind Speed N 1 MPH
Barometer NA
Dewpoint 55°F (13°C)
Visibility 0.08 mi
Last update 22 Aug 08:15 AM PDT
Extended Forecast for

5 Miles NW Snoqualmie Pass WA

Red Flag Warning until August 22, 05:00pm
Click here for hazard details and duration
Red Flag Warning
  •  
    Red Flag Warning until August 22, 05:00pm

    NOW until 5:00pm Sat

    Red Flag Warning

  • Today

    High: 59 °F

    Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers, mainly after 3am. Increasing clouds, with a low around 46. West wind around 9 mph.

    Low: 46 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday

    Sunday: A 40 percent chance of showers, mainly before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 56. West northwest wind 5 to 9 mph.

    High: 56 °F

    Chance
    Showers then
    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46. West northwest wind around 6 mph becoming light and variable.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 74. East wind 5 to 7 mph becoming calm in the morning.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 49.

    Low: 49 °F

    Partly Cloudy

Detailed Forecast

Today
A 50 percent chance of showers and thunderstorms, mainly before 3pm. Mostly cloudy, with a high near 59. West wind 7 to 9 mph.
Tonight
A 30 percent chance of showers, mainly after 3am. Increasing clouds, with a low around 46. West wind around 9 mph.
Sunday
A 40 percent chance of showers, mainly before 9am. Cloudy, then gradually becoming mostly sunny, with a high near 56. West northwest wind 5 to 9 mph.
Sunday Night
Mostly clear, with a low around 46. West northwest wind around 6 mph becoming light and variable.
Monday
Sunny, with a high near 74. East wind 5 to 7 mph becoming calm in the morning.
Monday Night
Mostly clear, with a low around 52.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Partly cloudy, with a low around 49.
Wednesday
A slight chance of showers. Mostly sunny, with a high near 59.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 45.
Thursday
A chance of showers. Partly sunny, with a high near 56.
Thursday Night
Partly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Snoqualmie Pass WA
 47.46°N 121.49°W (Elev. 4393 ft)
Last Update:
6:33 am PDT Aug 22, 2026
Forecast Valid:
8am PDT Aug 22, 2026-6pm PDT Aug 28, 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