Snow May Produce Poor Travel Conditions in the North-Central U.S. and East Coast

A strong cold front sweeping across the Northern Plains may bring snow showers and snow squalls from eastern Montana to north-central Nebraska, with blizzard conditions possible in eastern North Dakota and northwestern Montana. Heavy snow is expected to persist downwind of the Great Lakes. Snow showers will spread up the East Coast across the Mid-Atlantic and Northeast coasts. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

41°F

5°C

Humidity 90%
Wind Speed E 2 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Last update 18 Jan 11:52 AM PST
Extended Forecast for

12 Miles NNE Happy Camp CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a temperature falling to around 47 by 5pm. Light south southwest wind.

    High: 50 °F

    Mostly Sunny

  • Tonight

    Tonight: Clear, with a low around 41. Northeast wind 3 to 7 mph.

    Low: 41 °F

    Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 52. East southeast wind around 7 mph.

    High: 52 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 41. Southeast wind around 9 mph.

    Low: 41 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 53. South southwest wind 5 to 8 mph.

    High: 53 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 47.

    High: 47 °F

    Mostly Sunny

  • Wednesday Night

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

    Low: 38 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 43.

    High: 43 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a temperature falling to around 47 by 5pm. Light south southwest wind.
Tonight
Clear, with a low around 41. Northeast wind 3 to 7 mph.
M.L.King Day
Sunny, with a high near 52. East southeast wind around 7 mph.
Monday Night
Mostly clear, with a low around 41. Southeast wind around 9 mph.
Tuesday
Mostly sunny, with a high near 53. South southwest wind 5 to 8 mph.
Tuesday Night
Partly cloudy, with a low around 41.
Wednesday
Mostly sunny, with a high near 47.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
Mostly sunny, with a high near 43.
Thursday Night
A slight chance of rain and snow between 10pm and 1am, then a slight chance of snow after 1am. Snow level 5400 feet lowering to 4900 feet after midnight . Partly cloudy, with a low around 33.
Friday
A chance of rain and snow. Mostly sunny, with a high near 42.
Friday Night
A chance of rain and snow. Mostly cloudy, with a low around 32.
Saturday
A chance of rain and snow. Partly sunny, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNE Happy Camp CA
 41.95°N 123.31°W (Elev. 4911 ft)
12:21 pm PST Jan 18, 2026
12pm PST Jan 18, 2026-6pm PST Jan 24, 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