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

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

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

44°F

7°C

Humidity 96%
Wind Speed S 3 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 27 Jan 05:52 PM PST
Extended Forecast for

16 Miles NE Happy Camp CA

  • Tonight

    Tonight: Rain, possibly mixed with snow before 2am, then a chance of rain between 2am and 4am. Snow level 5100 feet lowering to 4400 feet after midnight . Low around 37. South wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain/Snow
    then Chance
    Rain

  • Wednesday

    Wednesday: A slight chance of rain between 9am and 1pm. Snow level 4500 feet rising to 5300 feet in the afternoon. Partly sunny, with a high near 47. South southwest wind 9 to 11 mph. Chance of precipitation is 20%.

    High: 47 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Snow level 5500 feet. Mostly cloudy, with a low around 40. South wind around 10 mph.

    Low: 40 °F

    Chance Rain

  • Thursday

    Thursday: A 20 percent chance of rain. Snow level 5700 feet rising to 6600 feet in the afternoon. Partly sunny, with a high near 53. South wind 8 to 10 mph.

    High: 53 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 44. South southeast wind 8 to 10 mph.

    Low: 44 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 56.

    High: 56 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain after 10pm. Mostly cloudy, with a low around 44.

    Low: 44 °F

    Slight Chance
    Rain

Detailed Forecast

Tonight
Rain, possibly mixed with snow before 2am, then a chance of rain between 2am and 4am. Snow level 5100 feet lowering to 4400 feet after midnight . Low around 37. South wind 14 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday
A slight chance of rain between 9am and 1pm. Snow level 4500 feet rising to 5300 feet in the afternoon. Partly sunny, with a high near 47. South southwest wind 9 to 11 mph. Chance of precipitation is 20%.
Wednesday Night
A 40 percent chance of rain. Snow level 5500 feet. Mostly cloudy, with a low around 40. South wind around 10 mph.
Thursday
A 20 percent chance of rain. Snow level 5700 feet rising to 6600 feet in the afternoon. Partly sunny, with a high near 53. South wind 8 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 44. South southeast wind 8 to 10 mph.
Friday
Partly sunny, with a high near 56.
Friday Night
Mostly cloudy, with a low around 44.
Saturday
Partly sunny, with a high near 58.
Saturday Night
A slight chance of rain after 10pm. Mostly cloudy, with a low around 44.
Sunday
A chance of rain. Snow level 5900 feet. Partly sunny, with a high near 53.
Sunday Night
A chance of rain. Snow level 5500 feet. Mostly cloudy, with a low around 42.
Monday
A slight chance of rain. Snow level 5000 feet rising to 5700 feet in the afternoon. Mostly sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Sunny, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NE Happy Camp CA
 41.97°N 123.17°W (Elev. 2999 ft)
Last Update:
3:41 pm PST Jan 27, 2026
Forecast Valid:
6pm PST Jan 27, 2026-6pm PST Feb 3, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation