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Above Average Temperatures in the West; Winter Weather Returns to the Upper Midwest and Great Lakes

Well above average temperatures will continue across the West this week, potentially breaking some daily high temperature records. A storm system dropping south out of Canada will bring a wintry mix to the Upper Midwest and Great Lakes Tuesday, pushing into the Central Appalachians and interior Northeast on Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10375°NLon: 123.68508°WElev: 1389.0ft.

NA

33°F

1°C

Humidity 99%
Wind Speed N 0 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 12 Jan 08:52 PM PST
Extended Forecast for

9 Miles ENE Happy Camp CA

Freezing Fog Advisory January 13, 02:00am until January 13, 11:00am
Click here for hazard details and duration
Freezing Fog Advisory

  • Tonight

    Tonight: Clear, with a low around 35. Light southwest wind.

    Low: 35 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 52. Light and variable wind.

    High: 52 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 37. Light west southwest wind.

    Low: 37 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 61. East wind around 5 mph.

    High: 61 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 38. East wind around 5 mph.

    Low: 38 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

Detailed Forecast

Tonight
Clear, with a low around 35. Light southwest wind.
Tuesday
Sunny, with a high near 52. Light and variable wind.
Tuesday Night
Clear, with a low around 37. Light west southwest wind.
Wednesday
Sunny, with a high near 61. East wind around 5 mph.
Wednesday Night
Clear, with a low around 38. East wind around 5 mph.
Thursday
Sunny, with a high near 61.
Thursday Night
Clear, with a low around 37.
Friday
Sunny, with a high near 61.
Friday Night
Clear, with a low around 38.
Saturday
Sunny, with a high near 62.
Saturday Night
Clear, with a low around 41.
Sunday
Sunny, with a high near 63.
Sunday Night
Mostly clear, with a low around 40.
M.L.King Day
Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Happy Camp CA
 41.84°N 123.19°W (Elev. 1421 ft)
Last Update:
3:40 pm PST Jan 12, 2026
Forecast Valid:
9pm PST Jan 12, 2026-6pm PST Jan 19, 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