Another Arctic Blast in the East; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the upper Ohio Valley, Mid-Atlantic, Gulf Coast and Southeast U.S. this weekend. A rapidly deepening storm will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia into Sunday. Storm-force winds and coastal flooding will be possible along the East Coast. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

28°F

-2°C

Humidity 98%
Wind Speed WSW 0 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 31 Jan 03:52 AM PST
Extended Forecast for

12 Miles NE Happy Camp CA

  • Today

    Today: Partly sunny, with a high near 50. South wind around 8 mph.

    High: 50 °F

    Partly Sunny

  • Tonight

    Tonight: A 30 percent chance of snow after 4am.  Snow level 6100 feet lowering to 5700 feet after midnight . Mostly cloudy, with a low around 37. South wind around 9 mph.  Little or no snow accumulation expected.

    Low: 37 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: A chance of rain and snow.  Snow level 6000 feet. Partly sunny, with a high near 39. Southwest wind 9 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 39 °F

    Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 34. South southwest wind around 6 mph.

    Low: 34 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 45. South wind around 6 mph becoming north northwest in the afternoon.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 50. South wind around 8 mph.
Tonight
A 30 percent chance of snow after 4am. Snow level 6100 feet lowering to 5700 feet after midnight . Mostly cloudy, with a low around 37. South wind around 9 mph. Little or no snow accumulation expected.
Sunday
A chance of rain and snow. Snow level 6000 feet. Partly sunny, with a high near 39. Southwest wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Sunday Night
Partly cloudy, with a low around 34. South southwest wind around 6 mph.
Monday
Mostly sunny, with a high near 45. South wind around 6 mph becoming north northwest in the afternoon.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Mostly sunny, with a high near 53.
Tuesday Night
Partly cloudy, with a low around 44.
Wednesday
Sunny, with a high near 53.
Wednesday Night
Mostly clear, with a low around 44.
Thursday
Sunny, with a high near 53.
Thursday Night
Mostly clear, with a low around 40.
Friday
Sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NE Happy Camp CA
 41.92°N 123.21°W (Elev. 5666 ft)
3:41 am PST Jan 31, 2026
4am PST Jan 31, 2026-6pm PST Feb 6, 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