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Hazardous Weather Conditions

Current conditions at

HELL HOLE (HLLC1)

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

NA

21°F

-6°C

Humidity 87%
Wind Speed NW 3 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Last update 21 Feb 04:09 AM PST
Extended Forecast for

2 Miles ENE Donner Summit CA

Cold Weather Advisory until February 21, 10:00am
Click here for hazard details and duration
...
  •  
    Cold Weather Advisory until February 21, 10:00am

    NOW until 10:00am Sat

    Cold Weather Advisory

  • Today

    High: 35 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Widespread frost between 7pm and 8pm. Otherwise, mostly clear, with a low around 22. South southwest wind 8 to 10 mph, with gusts as high as 21 mph.

    Low: 22 °F

    Frost then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 39. South southwest wind 11 to 13 mph, with gusts as high as 26 mph.

    High: 39 °F

    Sunny

  • Sunday Night

    Sunday Night: Widespread frost between 10pm and 11pm. Otherwise, partly cloudy, with a low around 24. South southwest wind around 7 mph.

    Low: 24 °F

    Frost then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 46. Southwest wind 6 to 8 mph, with gusts as high as 20 mph.

    High: 46 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A slight chance of rain and snow before 10pm, then rain likely. Mostly cloudy, with a low around 32. Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 32 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Tuesday

    Tuesday: Rain. High near 39. Chance of precipitation is 90%.

    High: 39 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain. Cloudy, with a low around 33.

    Low: 33 °F

    Rain

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 35. South southwest wind 5 to 10 mph, with gusts as high as 23 mph.
Tonight
Widespread frost between 7pm and 8pm. Otherwise, mostly clear, with a low around 22. South southwest wind 8 to 10 mph, with gusts as high as 21 mph.
Sunday
Sunny, with a high near 39. South southwest wind 11 to 13 mph, with gusts as high as 26 mph.
Sunday Night
Widespread frost between 10pm and 11pm. Otherwise, partly cloudy, with a low around 24. South southwest wind around 7 mph.
Monday
Mostly sunny, with a high near 46. Southwest wind 6 to 8 mph, with gusts as high as 20 mph.
Monday Night
A slight chance of rain and snow before 10pm, then rain likely. Mostly cloudy, with a low around 32. Chance of precipitation is 60%. Little or no snow accumulation expected.
Tuesday
Rain. High near 39. Chance of precipitation is 90%.
Tuesday Night
Rain. Cloudy, with a low around 33.
Wednesday
Rain and snow likely before 1pm, then a chance of rain. Mostly cloudy, with a high near 42.
Wednesday Night
A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 26.
Thursday
A chance of rain and snow. Partly sunny, with a high near 49.
Thursday Night
A chance of rain and snow. Partly cloudy, with a low around 31.
Friday
A slight chance of snow. Mostly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Donner Summit CA
 39.33°N 120.35°W (Elev. 7195 ft)
Last Update:
1:21 am PST Feb 21, 2026
Forecast Valid:
6am PST Feb 21, 2026-6pm PST Feb 27, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation