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

45°F

7°C

Humidity 93%
Wind Speed SW 5 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Wind Chill42°F (6°C)
Last update 27 Jan 04:52 PM PST
Extended Forecast for

9 Miles ENE Happy Camp CA

  • This Afternoon

    This Afternoon: Rain. Steady temperature around 50. Southwest wind around 8 mph. Chance of precipitation is 100%.

    High: 50 °F

    Rain

  • Tonight

    Tonight: Rain, mainly before 3am. Low around 37. South wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: A slight chance of rain between 9am and 1pm. Snow level 4400 feet rising to 5500 feet in the afternoon. Partly sunny, with a high near 54. East wind around 5 mph becoming calm. Chance of precipitation is 20%.

    High: 54 °F

    Slight Chance
    Rain

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 38. South southeast wind 3 to 5 mph.

    Low: 38 °F

    Chance Rain

  • Thursday

    Thursday: A 20 percent chance of rain. Partly sunny, with a high near 58. Light south southeast wind.

    High: 58 °F

    Slight Chance
    Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 61.

    High: 61 °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 62.

    High: 62 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Rain. Steady temperature around 50. Southwest wind around 8 mph. Chance of precipitation is 100%.
Tonight
Rain, mainly before 3am. Low around 37. South wind around 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A slight chance of rain between 9am and 1pm. Snow level 4400 feet rising to 5500 feet in the afternoon. Partly sunny, with a high near 54. East wind around 5 mph becoming calm. Chance of precipitation is 20%.
Wednesday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 38. South southeast wind 3 to 5 mph.
Thursday
A 20 percent chance of rain. Partly sunny, with a high near 58. Light south southeast wind.
Thursday Night
Mostly cloudy, with a low around 40.
Friday
Partly sunny, with a high near 61.
Friday Night
Mostly cloudy, with a low around 41.
Saturday
Partly sunny, with a high near 62.
Saturday Night
A slight chance of rain after 10pm. Mostly cloudy, with a low around 41.
Sunday
A chance of rain. Partly sunny, with a high near 60.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 40.
Monday
A slight chance of rain. Mostly sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Sunny, with a high near 60.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Happy Camp CA
 41.84°N 123.19°W (Elev. 1421 ft)
Last Update:
3:41 pm PST Jan 27, 2026
Forecast Valid:
5pm PST Jan 27, 2026-6pm PST Feb 3, 2026
 
Forecast Discussion
 
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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