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

53°F

12°C

Humidity 59%
Wind Speed NE 2 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 18 Jan 01:52 PM PST
Extended Forecast for

12 Miles NNE Happy Camp CA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 50. South southwest wind around 6 mph.

    High: 50 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 43. Light east wind.

    Low: 43 °F

    Mostly Clear

  • M.L.King Day

    M.L.King Day: Sunny, with a high near 51. East southeast wind around 6 mph.

    High: 51 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 42. Southeast wind around 6 mph.

    Low: 42 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 54. South wind 3 to 6 mph.

    High: 54 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 44.

    High: 44 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 50. South southwest wind around 6 mph.
Tonight
Mostly clear, with a low around 43. Light east wind.
M.L.King Day
Sunny, with a high near 51. East southeast wind around 6 mph.
Monday Night
Mostly clear, with a low around 42. Southeast wind around 6 mph.
Tuesday
Mostly sunny, with a high near 54. South wind 3 to 6 mph.
Tuesday Night
Mostly cloudy, with a low around 43.
Wednesday
Partly sunny, with a high near 49.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Sunny, with a high near 44.
Thursday Night
Mostly clear, with a low around 33.
Friday
A slight chance of rain and snow. Mostly sunny, with a high near 42.
Friday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 32.
Saturday
A slight chance of snow. Partly sunny, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNE Happy Camp CA
 41.96°N 123.25°W (Elev. 5138 ft)
2:21 pm PST Jan 18, 2026
2pm PST Jan 18, 2026-6pm PST Jan 24, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database