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

Late January Extreme Cold; Watching for Another East Coast Storm Threat This Weekend

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

29°F

-2°C

Humidity 95%
Wind Speed SSE 0 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 26 Jan 08:52 PM PST
Extended Forecast for

9 Miles ENE Happy Camp CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 35. Calm wind.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain, mainly after 4pm. Snow level 4000 feet rising to 5400 feet in the afternoon. High near 56. East wind 7 to 11 mph becoming south in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 56 °F

    Mostly Cloudy
    then Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly before 10pm. Low around 37. South wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 37 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly before 10am. Partly sunny, with a high near 55. South southeast wind around 5 mph.

    High: 55 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 39. South southeast wind around 5 mph.

    Low: 39 °F

    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain. Partly sunny, with a high near 59.

    High: 59 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Slight Chance
    Rain

  • Friday

    Friday: A chance of rain, mainly between 10am and 4pm. Partly sunny, with a high near 61.

    High: 61 °F

    Chance Rain

  • Friday Night

    Friday Night: A slight chance of rain before 10pm. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Slight Chance
    Rain then
    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 35. Calm wind.
Tuesday
Rain, mainly after 4pm. Snow level 4000 feet rising to 5400 feet in the afternoon. High near 56. East wind 7 to 11 mph becoming south in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
Rain, mainly before 10pm. Low around 37. South wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
A 30 percent chance of rain, mainly before 10am. Partly sunny, with a high near 55. South southeast wind around 5 mph.
Wednesday Night
A 40 percent chance of rain, mainly after 10pm. Mostly cloudy, with a low around 39. South southeast wind around 5 mph.
Thursday
A 30 percent chance of rain. Partly sunny, with a high near 59.
Thursday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 41.
Friday
A chance of rain, mainly between 10am and 4pm. Partly sunny, with a high near 61.
Friday Night
A slight chance of rain before 10pm. Mostly cloudy, with a low around 41.
Saturday
A slight chance of rain after 10am. Partly sunny, with a high near 63.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 42.
Sunday
A chance of rain. Partly sunny, with a high near 59.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 39.
Monday
Mostly sunny, with a high near 60.
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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:
3:41 pm PST Jan 26, 2026
Forecast Valid:
9pm PST Jan 26, 2026-6pm PST Feb 2, 2026
 
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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