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 >

Current conditions at

Emigrant Gap, Blue Canyon Nyack Airport (KBLU)

Lat: 39.27611°NLon: 120.70806°WElev: 5282.0ft.

Clear

72°F

22°C

Humidity 28%
Wind Speed S 10 MPH
Barometer 30.29 in (1025.74 mb)
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 22 Aug 10:00 AM PDT
Extended Forecast for

Donner Summit CA

  • Today

    Today: Sunny, with a high near 76. Southwest wind 7 to 10 mph, with gusts as high as 29 mph.

    High: 76 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 49. Southwest wind around 6 mph becoming calm in the evening.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 77. Light and variable wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 23 mph.

    High: 77 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 50. Southwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 22 mph.

    Low: 50 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 76. Calm wind becoming southwest 5 to 8 mph in the afternoon. Winds could gust as high as 26 mph.

    High: 76 °F

    Mostly Sunny

  • Monday Night

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

    Low: 49 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 48.

    Low: 48 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 76. Southwest wind 7 to 10 mph, with gusts as high as 29 mph.
Tonight
Partly cloudy, with a low around 49. Southwest wind around 6 mph becoming calm in the evening.
Sunday
Partly sunny, with a high near 77. Light and variable wind becoming southwest 5 to 8 mph in the morning. Winds could gust as high as 23 mph.
Sunday Night
Partly cloudy, with a low around 50. Southwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 22 mph.
Monday
Mostly sunny, with a high near 76. Calm wind becoming southwest 5 to 8 mph in the afternoon. Winds could gust as high as 26 mph.
Monday Night
Partly cloudy, with a low around 49.
Tuesday
Mostly sunny, with a high near 75.
Tuesday Night
Partly cloudy, with a low around 48.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 47.
Friday
Sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Donner Summit CA
 39.32°N 120.43°W (Elev. 6198 ft)
Last Update:
2:00 am PDT Aug 22, 2026
Forecast Valid:
10am 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