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

Hot Temperatures in the West; Heavy Rainfall and Flooding Potential in the Southwest

Hot to extremely hot temperatures are in place across coastal southern California again today and the interior Northwest U.S into Thursday, with the Pacific Northwest carrying the potential for record-breaking high temperatures. A combination of monsoonal moisture and tropical moisture ahead of tropical cyclone Lorena will bring heavy rainfall and the potential for flooding through the week. Read More >

Current conditions at

TAHOE DONNER (TADC1)

Lat: 39.33819°NLon: 120.27339°WElev: 7399.0ft.

NA

57°F

14°C

Humidity 55%
Wind Speed WSW 0 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 03 Sep 06:33 AM PDT
Extended Forecast for

5 Miles E Donner Summit CA

  • Today

    Today: A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 74. Calm wind.

    High: 74 °F

    Sunny then
    Chance
    Showers

  • Tonight

    Tonight: Patchy smoke before 7pm. Mostly clear, with a low around 52. Calm wind.

    Low: 52 °F

    Patchy Smoke
    then Clear

  • Thursday

    Thursday: Sunny, with a high near 73. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 73 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52. West wind around 5 mph becoming calm in the evening.

    Low: 52 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 71. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 71 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 46. Southwest wind 5 to 10 mph.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 43.

    Low: 43 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 74. Calm wind.
Tonight
Patchy smoke before 7pm. Mostly clear, with a low around 52. Calm wind.
Thursday
Sunny, with a high near 73. Calm wind becoming southwest around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 52. West wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 71. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 46. Southwest wind 5 to 10 mph.
Saturday
Sunny, with a high near 66.
Saturday Night
Mostly clear, with a low around 43.
Sunday
Sunny, with a high near 65.
Sunday Night
Mostly clear, with a low around 43.
Monday
Sunny, with a high near 63.
Monday Night
Mostly clear, with a low around 42.
Tuesday
A slight chance of showers. Snow level 9700 feet rising to 10400 feet in the afternoon. Mostly sunny, with a high near 61.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Donner Summit CA
 39.34°N 120.29°W (Elev. 6998 ft)
Last Update:
2:15 am PDT Sep 3, 2025
Forecast Valid:
7am PDT Sep 3, 2025-6pm PDT Sep 9, 2025
 
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