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

43°F

6°C

Humidity 97%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 27 Jan 06:52 PM PST
Extended Forecast for

12 Miles W Happy Camp CA

  • Tonight

    Tonight: A chance of rain and snow before 11pm, then a chance of snow. Mostly cloudy, with a low around 34. South southwest wind 17 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 34 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Wednesday

    Wednesday: A chance of snow before noon, then a slight chance of rain and snow. Snow level rising to 5500 feet in the afternoon. Mostly cloudy, with a high near 40. Southwest wind 11 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 40 °F

    Chance Snow
    then Slight
    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain and snow. Snow level 5400 feet. Mostly cloudy, with a low around 37. South wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 37 °F

    Chance
    Rain/Snow

  • Thursday

    Thursday: A chance of rain and snow before 1pm, then a slight chance of rain. Snow level 5400 feet rising to 6100 feet in the afternoon. Mostly cloudy, with a high near 46. South wind 8 to 10 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 46 °F

    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 41. South southeast wind 10 to 13 mph.

    Low: 41 °F

    Mostly Cloudy

  • Friday

    Friday: A slight chance of rain and snow between 10am and 1pm, then a slight chance of rain after 1pm. Snow level 5400 feet rising to 6200 feet in the afternoon. Partly sunny, with a high near 49. Chance of precipitation is 20%.

    High: 49 °F

    Slight Chance
    Rain/Snow

  • Friday Night

    Friday Night: A 20 percent chance of rain before 10pm. Snow level 6500 feet. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of rain after 10pm. Snow level 6400 feet. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance Rain

Detailed Forecast

Tonight
A chance of rain and snow before 11pm, then a chance of snow. Mostly cloudy, with a low around 34. South southwest wind 17 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 50%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
A chance of snow before noon, then a slight chance of rain and snow. Snow level rising to 5500 feet in the afternoon. Mostly cloudy, with a high near 40. Southwest wind 11 to 13 mph, with gusts as high as 18 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday Night
A chance of rain and snow. Snow level 5400 feet. Mostly cloudy, with a low around 37. South wind 11 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday
A chance of rain and snow before 1pm, then a slight chance of rain. Snow level 5400 feet rising to 6100 feet in the afternoon. Mostly cloudy, with a high near 46. South wind 8 to 10 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Thursday Night
Mostly cloudy, with a low around 41. South southeast wind 10 to 13 mph.
Friday
A slight chance of rain and snow between 10am and 1pm, then a slight chance of rain after 1pm. Snow level 5400 feet rising to 6200 feet in the afternoon. Partly sunny, with a high near 49. Chance of precipitation is 20%.
Friday Night
A 20 percent chance of rain before 10pm. Snow level 6500 feet. Mostly cloudy, with a low around 41.
Saturday
Partly sunny, with a high near 53.
Saturday Night
A chance of rain after 10pm. Snow level 6400 feet. Mostly cloudy, with a low around 42.
Sunday
Rain likely before 4pm, then rain likely, possibly mixed with snow. Snow level 5800 feet. Mostly cloudy, with a high near 46.
Sunday Night
Rain and snow likely. Snow level 5400 feet. Mostly cloudy, with a low around 39.
Monday
A chance of rain and snow. Snow level 5100 feet rising to 5700 feet in the afternoon. Mostly sunny, with a high near 46.
Monday Night
Partly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 52.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W Happy Camp CA
 41.79°N 123.59°W (Elev. 5000 ft)
Last Update:
3:41 pm PST Jan 27, 2026
Forecast Valid:
7pm PST Jan 27, 2026-6pm PST Feb 3, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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