
Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds in the North-Central U.S.
A prolonged atmospheric river will continue impacting the Pacific Northwest with heavy rainfall which has lead to areas of urban and river flooding along with gusty winds into Thursday. A clipper will bring heavy snow, some mixed wintry precipitation, and gusty to high winds across the northern Plains, Upper Midwest, and the Great Lakes into Thursday morning. Read More >
Current conditions at
HELL HOLE (HLLC1)
Lat: 39.06971°NLon: 120.41989°WElev: 5240.0ft.NA
67°F
19°C
| Humidity | 24% |
| Wind Speed | ESE 4 MPH |
| Barometer | NA |
| Dewpoint | 29°F (-2°C) |
| Visibility | NA |
| Last update | 09 Dec 11:09 AM PST |
Extended Forecast for
Donner Summit CA
Today

High: 56 °F
Haze
Tonight

Low: 36 °F
Clear
Wednesday

High: 57 °F
Sunny
Wednesday Night

Low: 35 °F
Clear
Thursday

High: 57 °F
Sunny
Thursday Night

Low: 32 °F
Clear
Friday

High: 60 °F
Sunny
Friday Night

Low: 34 °F
Mostly Clear
Saturday

High: 57 °F
Sunny
Detailed Forecast
Today
Widespread haze after 3pm. Sunny, with a high near 56. Light north wind.
Tonight
Clear, with a low around 36. Calm wind becoming east northeast around 6 mph in the evening.
Wednesday
Sunny, with a high near 57. Light and variable wind.
Wednesday Night
Clear, with a low around 35. Light east wind.
Thursday
Sunny, with a high near 57. Calm wind.
Thursday Night
Clear, with a low around 32.
Friday
Sunny, with a high near 60.
Friday Night
Mostly clear, with a low around 34.
Saturday
Sunny, with a high near 57.
Saturday Night
Mostly clear, with a low around 32.
Sunday
Sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 33.
Monday
A slight chance of rain and snow showers. Mostly sunny, with a high near 49.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Donner Summit CA
39.33°N 120.37°W (Elev. 6965 ft)
39.33°N 120.37°W (Elev. 6965 ft)
11:55 am PST Dec 9, 2025
11am PST Dec 9, 2025-6pm PST Dec 15, 2025


