National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Late January Extreme Cold; Watching East Coast Storm Threat This Weekend

The next blast of Arctic air surges south down the Plains, across the Great Lakes and through the Southeast and East Friday through Saturday. This could be longest duration of cold in several decades. Forecast models are being closely monitored for potential of another significant winter storm to impact the eastern United States this coming weekend. Confidence in coastal impacts has increased. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

35°F

2°C

Humidity 99%
Wind Speed ESE 0 MPH
Barometer NA
Dewpoint 35°F (2°C)
Visibility NA
Last update 28 Jan 02:52 AM PST
Extended Forecast for

13 Miles NE Happy Camp CA

  • Overnight

    Overnight: Mostly cloudy, with a steady temperature around 33. South southwest wind around 11 mph.

    Low: 33 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Cloudy, then gradually becoming mostly sunny, with a high near 37. South southwest wind around 15 mph, with gusts as high as 23 mph.

    High: 37 °F

    Decreasing
    Clouds

  • Wednesday Night

    Wednesday Night: A slight chance of snow before 8pm, then a chance of snow after 10pm. Mostly cloudy, with a low around 34. South wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 34 °F

    Chance Snow

  • Thursday

    Thursday: Partly sunny, with a high near 44. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.

    High: 44 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 40. South southeast wind 14 to 17 mph, with gusts as high as 26 mph.

    Low: 40 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 48.

    High: 48 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A slight chance of rain between 10pm and 1am, then a chance of rain and snow. Snow level 6400 feet. Mostly cloudy, with a low around 39.

    Low: 39 °F

    Slight Chance
    Rain then
    Chance
    Rain/Snow

Detailed Forecast

Overnight
Mostly cloudy, with a steady temperature around 33. South southwest wind around 11 mph.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 37. South southwest wind around 15 mph, with gusts as high as 23 mph.
Wednesday Night
A slight chance of snow before 8pm, then a chance of snow after 10pm. Mostly cloudy, with a low around 34. South wind 14 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday
Partly sunny, with a high near 44. South southwest wind 10 to 14 mph, with gusts as high as 21 mph.
Thursday Night
Mostly cloudy, with a low around 40. South southeast wind 14 to 17 mph, with gusts as high as 26 mph.
Friday
Partly sunny, with a high near 48.
Friday Night
Mostly cloudy, with a low around 41.
Saturday
Partly sunny, with a high near 50.
Saturday Night
A slight chance of rain between 10pm and 1am, then a chance of rain and snow. Snow level 6400 feet. Mostly cloudy, with a low around 39.
Sunday
Snow likely, possibly mixed with rain. Snow level 5800 feet. Partly sunny, with a high near 42.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 36.
Monday
A slight chance of snow. Partly sunny, with a high near 44.
Monday Night
Mostly clear, with a low around 36.
Tuesday
Sunny, with a high near 50.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NE Happy Camp CA
 41.93°N 123.18°W (Elev. 5801 ft)
Last Update:
3:40 am PST Jan 28, 2026
Forecast Valid:
3am PST Jan 28, 2026-6pm PST Feb 3, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation