Prolonged Extreme Cold; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the Gulf Coast, upper Ohio Valley, Mid-Atlantic, and Southeast U.S. into this weekend. A rapidly deepening storm centered just off the North Carolina coast Friday night through Saturday night will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia. Read More >

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 NW 0 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 30 Jan 01:52 AM PST
Extended Forecast for

11 Miles NNE Happy Camp CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 40. Southwest wind around 10 mph.

    Low: 40 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 49. South southwest wind 8 to 10 mph.

    High: 49 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41. South wind around 7 mph.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 51. South wind 8 to 10 mph.

    High: 51 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 10pm.  Snow level 6400 feet lowering to 5900 feet after midnight . Mostly cloudy, with a low around 39. South wind around 8 mph.

    Low: 39 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: Rain likely, mainly before 4pm.  Snow level 5600 feet. Partly sunny, with a high near 43. Chance of precipitation is 60%.

    High: 43 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A 20 percent chance of rain before 10pm.  Snow level 5200 feet. Partly cloudy, with a low around 34.

    Low: 34 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 48.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 40. Southwest wind around 10 mph.
Friday
Partly sunny, with a high near 49. South southwest wind 8 to 10 mph.
Friday Night
Mostly cloudy, with a low around 41. South wind around 7 mph.
Saturday
Partly sunny, with a high near 51. South wind 8 to 10 mph.
Saturday Night
A 20 percent chance of rain after 10pm. Snow level 6400 feet lowering to 5900 feet after midnight . Mostly cloudy, with a low around 39. South wind around 8 mph.
Sunday
Rain likely, mainly before 4pm. Snow level 5600 feet. Partly sunny, with a high near 43. Chance of precipitation is 60%.
Sunday Night
A 20 percent chance of rain before 10pm. Snow level 5200 feet. Partly cloudy, with a low around 34.
Monday
Mostly sunny, with a high near 48.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Sunny, with a high near 55.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Sunny, with a high near 56.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
Sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNE Happy Camp CA
 41.95°N 123.28°W (Elev. 4839 ft)
2:22 am PST Jan 30, 2026
2am PST Jan 30, 2026-6pm PST Feb 5, 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