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

19 Miles NE Happy Camp CA

  • Overnight

    Overnight: Cloudy, with a low around 44. South southwest wind around 6 mph.

    Low: 44 °F

    Cloudy

  • Friday

    Friday: Partly sunny, with a high near 60. South wind around 8 mph.

    High: 60 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 44. South wind 3 to 5 mph.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 61. South wind 5 to 7 mph.

    High: 61 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 10pm.  Mostly cloudy, with a low around 43. South wind around 6 mph.

    Low: 43 °F

    Slight Chance
    Rain

  • Sunday

    Sunday: A 50 percent chance of rain.  Partly sunny, with a high near 55.

    High: 55 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 58.

    High: 58 °F

    Mostly Sunny

  • Monday Night

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

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Overnight
Cloudy, with a low around 44. South southwest wind around 6 mph.
Friday
Partly sunny, with a high near 60. South wind around 8 mph.
Friday Night
Mostly cloudy, with a low around 44. South wind 3 to 5 mph.
Saturday
Partly sunny, with a high near 61. South wind 5 to 7 mph.
Saturday Night
A 20 percent chance of rain after 10pm. Mostly cloudy, with a low around 43. South wind around 6 mph.
Sunday
A 50 percent chance of rain. Partly sunny, with a high near 55.
Sunday Night
Partly cloudy, with a low around 38.
Monday
Mostly sunny, with a high near 58.
Monday Night
Mostly clear, with a low around 40.
Tuesday
Sunny, with a high near 64.
Tuesday Night
Partly cloudy, with a low around 42.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Sunny, with a high near 66.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
19 Miles NE Happy Camp CA
 42.02°N 123.15°W (Elev. 2165 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