Significant Winter Storm to Bring Heavy Snow and Ice Impacts; Dangerously Cold Temperatures Expands Across the East; Severe Storm Threat in the Gulf States Sunday

A significant winter storm is underway, bringing widespread heavy snow, sleet, and freezing rain from the Southern Rockies to New England through Monday. Extremely cold air will follow, prolonging dangerous travel and infrastructure impacts into next week. Severe thunderstorms may produce damaging gusts and tornadoes across the eastern Gulf Coast states Sunday morning and afternoon. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

18°F

-8°C

Humidity 93%
Wind Speed S 0 MPH
Barometer NA
Dewpoint 16°F (-9°C)
Visibility NA
Last update 25 Jan 05:52 AM PST
Extended Forecast for

11 Miles NNE Happy Camp CA

  • Today

    Today: Increasing clouds, with a high near 44. South southwest wind 6 to 10 mph.

    High: 44 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. South wind 8 to 10 mph.

    Low: 34 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 45. South southwest wind 8 to 10 mph.

    High: 45 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34. South southeast wind 9 to 13 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 45. South wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 45 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 50 percent chance of rain.  Snow level 5300 feet. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain, mainly before 10am.  Snow level 5500 feet. Partly sunny, with a high near 45.

    High: 45 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain.  Snow level 5900 feet. Mostly cloudy, with a low around 36.

    Low: 36 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A slight chance of rain before 10am.  Snow level 6000 feet rising to 6700 feet in the afternoon. Partly sunny, with a high near 48.

    High: 48 °F

    Slight Chance
    Rain then
    Partly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 44. South southwest wind 6 to 10 mph.
Tonight
Mostly cloudy, with a low around 34. South wind 8 to 10 mph.
Monday
Partly sunny, with a high near 45. South southwest wind 8 to 10 mph.
Monday Night
Partly cloudy, with a low around 34. South southeast wind 9 to 13 mph, with gusts as high as 20 mph.
Tuesday
Partly sunny, with a high near 45. South wind 10 to 13 mph, with gusts as high as 20 mph.
Tuesday Night
A 50 percent chance of rain. Snow level 5300 feet. Mostly cloudy, with a low around 34.
Wednesday
A 40 percent chance of rain, mainly before 10am. Snow level 5500 feet. Partly sunny, with a high near 45.
Wednesday Night
A slight chance of rain. Snow level 5900 feet. Mostly cloudy, with a low around 36.
Thursday
A slight chance of rain before 10am. Snow level 6000 feet rising to 6700 feet in the afternoon. Partly sunny, with a high near 48.
Thursday Night
Mostly cloudy, with a low around 40.
Friday
A slight chance of rain. Snow level 6300 feet. Mostly cloudy, with a high near 49.
Friday Night
A slight chance of rain. Snow level 6500 feet. Mostly cloudy, with a low around 40.
Saturday
A chance of rain. Snow level 6300 feet. Partly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNE Happy Camp CA
 41.94°N 123.25°W (Elev. 4360 ft)
3:40 am PST Jan 25, 2026
6am PST Jan 25, 2026-6pm PST Jan 31, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database