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

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

Well below normal temperatures will continue for the eastern half of the Lower 48 this week. Another blast of arctic air will spread from the Plains through the East/Southeast Friday into Saturday with more record lows expected even into Florida. Forecasts are being monitored for increasing potential of another significant winter storm to impact the eastern United States this coming weekend. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

26°F

-3°C

Humidity 97%
Wind Speed SSE 0 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 27 Jan 01:52 AM PST
Extended Forecast for

Happy Camp CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Rain, mainly after 2pm. Snow level 3900 feet rising to 5500 feet in the afternoon. High near 55. East wind 7 to 10 mph becoming south southwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 55 °F

    Mostly Cloudy
    then Rain

  • Tuesday Night

    Tuesday Night: A chance of rain before 1am, then a chance of rain after 4am. Cloudy, then gradually becoming partly cloudy, with a low around 37. South wind around 8 mph. Chance of precipitation is 50%.

    Low: 37 °F

    Chance Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly before 10am. Snow level 4000 feet rising to 4800 feet in the afternoon. Partly sunny, with a high near 53. South southwest wind around 6 mph.

    High: 53 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 38. South wind around 6 mph.

    Low: 38 °F

    Chance Rain

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before 10am. Partly sunny, with a high near 57.

    High: 57 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Friday

    Friday: A slight chance of rain after 10am. Partly sunny, with a high near 60.

    High: 60 °F

    Slight Chance
    Rain

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 33. Calm wind.
Tuesday
Rain, mainly after 2pm. Snow level 3900 feet rising to 5500 feet in the afternoon. High near 55. East wind 7 to 10 mph becoming south southwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday Night
A chance of rain before 1am, then a chance of rain after 4am. Cloudy, then gradually becoming partly cloudy, with a low around 37. South wind around 8 mph. Chance of precipitation is 50%.
Wednesday
A 30 percent chance of rain, mainly before 10am. Snow level 4000 feet rising to 4800 feet in the afternoon. Partly sunny, with a high near 53. South southwest wind around 6 mph.
Wednesday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 38. South wind around 6 mph.
Thursday
A 30 percent chance of rain, mainly before 10am. Partly sunny, with a high near 57.
Thursday Night
A 20 percent chance of rain before 10pm. Mostly cloudy, with a low around 40.
Friday
A slight chance of rain after 10am. Partly sunny, with a high near 60.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Partly sunny, with a high near 61.
Saturday Night
A slight chance of rain. Mostly cloudy, with a low around 40.
Sunday
A chance of rain. Partly sunny, with a high near 57.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 39.
Monday
A slight chance of rain. Mostly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Happy Camp CA
 41.81°N 123.36°W (Elev. 1299 ft)
Last Update:
2:21 am PST Jan 27, 2026
Forecast Valid:
2am PST Jan 27, 2026-6pm PST Feb 2, 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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation