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

Severe Weather and Heavy Rainfall from the Midwest to the Ohio Valley; Mid-Summer Heat Continues

Severe thunderstorm and heavy rainfall threats will persist from the Midwest to Lower Great Lakes through Monday, shifting into the Ohio Valley and Central Appalachians Monday evening into Tuesday. Mid-summer heat will continue across much of the CONUS this week, with record highs possible well into the 100s across the south-central High Plains. Read More >

Hazardous Weather Conditions

Current conditions at

HELL HOLE (HLLC1)

Lat: 39.06971°NLon: 120.41989°WElev: 5240.0ft.

NA

84°F

29°C

Humidity 23%
Wind Speed W 5 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Heat Index81°F (27°C)
Last update 09 Aug 08:09 PM PDT
Extended Forecast for

3 Miles ESE Donner Summit CA

Heat Advisory August 9, 08:58pm until August 9, 10:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory August 9, 08:58pm until August 9, 10:00pm

    NOW until 10:00pm Sun

    Heat Advisory

  • Tonight

    Low: 53 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 82. Light south southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 24 mph.

    High: 82 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53. South southwest wind 3 to 8 mph. Winds could gust as high as 23 mph.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 78. Light south southwest wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 23 mph.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 50. West southwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 21 mph.

    Low: 50 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 49.

    Low: 49 °F

    Chance Rain

  • Thursday

    Thursday: A slight chance of rain, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 71.

    High: 71 °F

    Chance
    T-storms

Detailed Forecast

Tonight
Clear, with a low around 53. West southwest wind around 5 mph becoming calm in the evening.
Monday
Sunny, with a high near 82. Light south southwest wind becoming southwest 5 to 10 mph in the morning. Winds could gust as high as 24 mph.
Monday Night
Partly cloudy, with a low around 53. South southwest wind 3 to 8 mph. Winds could gust as high as 23 mph.
Tuesday
Sunny, with a high near 78. Light south southwest wind becoming west southwest 5 to 9 mph in the morning. Winds could gust as high as 23 mph.
Tuesday Night
Mostly clear, with a low around 50. West southwest wind 5 to 9 mph becoming calm in the evening. Winds could gust as high as 21 mph.
Wednesday
Mostly sunny, with a high near 75.
Wednesday Night
A 30 percent chance of rain after 11pm. Mostly cloudy, with a low around 49.
Thursday
A slight chance of rain, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 71.
Thursday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of rain after 11pm. Mostly cloudy, with a low around 45.
Friday
A slight chance of rain, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 70.
Friday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 45.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 70.
Saturday Night
Partly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 69.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Donner Summit CA
 39.31°N 120.34°W (Elev. 6982 ft)
Last Update:
2:01 pm PDT Aug 9, 2026
Forecast Valid:
8pm PDT Aug 9, 2026-6pm PDT Aug 16, 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