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

47°F

8°C

Humidity 44%
Wind Speed SE 1 MPH
Barometer NA
Dewpoint 26°F (-3°C)
Visibility NA
Last update 25 Jan 12:52 PM PST
Extended Forecast for

9 Miles WNW Illinois Valley OR

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 48. South southwest wind around 6 mph.

    High: 48 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 38. South southwest wind around 7 mph.

    Low: 38 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 50. South southwest wind 6 to 8 mph.

    High: 50 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. South wind around 8 mph.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain likely, mainly after 4pm.  Snow level 4200 feet rising to 5000 feet in the afternoon. Partly sunny, with a high near 48. South wind 8 to 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Slight Chance
    Rain then
    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain.  Snow level 5700 feet. Low around 40. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain

  • Wednesday

    Wednesday: A 50 percent chance of rain.  Snow level 5500 feet. Mostly cloudy, with a high near 47.

    High: 47 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A chance of rain.  Snow level 5800 feet. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

  • Thursday

    Thursday: A chance of rain, mainly before 10am.  Snow level 6500 feet. Partly sunny, with a high near 50.

    High: 50 °F

    Chance Rain

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 48. South southwest wind around 6 mph.
Tonight
Mostly cloudy, with a low around 38. South southwest wind around 7 mph.
Monday
Partly sunny, with a high near 50. South southwest wind 6 to 8 mph.
Monday Night
Mostly cloudy, with a low around 38. South wind around 8 mph.
Tuesday
Rain likely, mainly after 4pm. Snow level 4200 feet rising to 5000 feet in the afternoon. Partly sunny, with a high near 48. South wind 8 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Tuesday Night
Rain. Snow level 5700 feet. Low around 40. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 50 percent chance of rain. Snow level 5500 feet. Mostly cloudy, with a high near 47.
Wednesday Night
A chance of rain. Snow level 5800 feet. Mostly cloudy, with a low around 40.
Thursday
A chance of rain, mainly before 10am. Snow level 6500 feet. Partly sunny, with a high near 50.
Thursday Night
A slight chance of rain. Snow level 6500 feet. Mostly cloudy, with a low around 43.
Friday
A chance of rain. Snow level 6100 feet. Mostly cloudy, with a high near 51.
Friday Night
A chance of rain. Snow level 6300 feet. Mostly cloudy, with a low around 43.
Saturday
A chance of rain. Snow level 6300 feet. Mostly cloudy, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WNW Illinois Valley OR
 42.15°N 123.85°W (Elev. 3356 ft)
12:41 pm PST Jan 25, 2026
1pm PST Jan 25, 2026-6pm PST Jan 31, 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