Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains Thursday night, crossing the Midwest and reaching the Gulf Coast Friday night. Confidence continues to increase for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

45°F

7°C

Humidity 85%
Wind Speed SSW 1 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 28 Jan 07:52 PM PST
Extended Forecast for

13 Miles NE Happy Camp CA

  • Tonight

    Tonight: A 20 percent chance of snow after 3am.  Mostly cloudy, with a low around 35. South wind 14 to 16 mph, with gusts as high as 24 mph.

    Low: 35 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday

    Thursday: A slight chance of snow between noon and 1pm.  Partly sunny, with a high near 44. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.  Chance of precipitation is 20%.

    High: 44 °F

    Mostly Cloudy
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 39. South southeast wind 14 to 17 mph, with gusts as high as 26 mph.

    Low: 39 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 47. South southwest wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 47 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41. East southeast wind 11 to 15 mph, with gusts as high as 23 mph.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain after 4am.  Snow level 6300 feet. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Rain

  • Sunday

    Sunday: A chance of rain and snow before 7am, then a chance of snow between 7am and 1pm, then a chance of rain and snow after 1pm.  Partly sunny, with a high near 42.

    High: 42 °F

    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: A chance of rain and snow before 10pm, then a slight chance of snow.  Mostly cloudy, with a low around 35.

    Low: 35 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow

Detailed Forecast

Tonight
A 20 percent chance of snow after 3am. Mostly cloudy, with a low around 35. South wind 14 to 16 mph, with gusts as high as 24 mph.
Thursday
A slight chance of snow between noon and 1pm. Partly sunny, with a high near 44. South southwest wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 39. South southeast wind 14 to 17 mph, with gusts as high as 26 mph.
Friday
Partly sunny, with a high near 47. South southwest wind 10 to 15 mph, with gusts as high as 23 mph.
Friday Night
Mostly cloudy, with a low around 41. East southeast wind 11 to 15 mph, with gusts as high as 23 mph.
Saturday
Partly sunny, with a high near 50.
Saturday Night
A 30 percent chance of rain after 4am. Snow level 6300 feet. Mostly cloudy, with a low around 39.
Sunday
A chance of rain and snow before 7am, then a chance of snow between 7am and 1pm, then a chance of rain and snow after 1pm. Partly sunny, with a high near 42.
Sunday Night
A chance of rain and snow before 10pm, then a slight chance of snow. Mostly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 44.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Sunny, with a high near 50.
Tuesday Night
Partly cloudy, with a low around 37.
Wednesday
Sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NE Happy Camp CA
 41.93°N 123.18°W (Elev. 5801 ft)
3:40 pm PST Jan 28, 2026
8pm PST Jan 28, 2026-6pm PST Feb 4, 2026
 
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Additional Resources

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