Winter Weather Across Portions of the Mid-Atlantic; Heavy Rain Along the Gulf Coast and Southeast

A storm system will continue to slowly move through the Gulf Coast and Southeast U.S. over the next couple of days, bringing a heavy rainfall threat through the weekend. Isolated instances of flooding may occur. On the north side of this storm system, colder air will support areas of mixed wintry precipitation and light snow from the Tennessee Valley to the Mid-Atlantic Friday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

43°F

6°C

Humidity 94%
Wind Speed ENE 0 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 05 Dec 01:52 AM PST
Extended Forecast for

15 Miles NNE Happy Camp CA

  • Overnight

    Overnight: A 30 percent chance of rain, mainly between 3am and 4am.  Mostly cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Chance Rain

  • Friday

    Friday: Rain likely, mainly after 5pm.  Mostly cloudy, with a high near 45. Light west southwest wind becoming west 5 to 9 mph in the morning.  Chance of precipitation is 60%.

    High: 45 °F

    Rain Likely

  • Friday Night

    Friday Night: Rain, mainly before 9pm.  Low around 39. West wind around 10 mph.  Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Rain then
    Chance Rain

  • Saturday

    Saturday: A 30 percent chance of rain, mainly after 10am.  Snow level 6300 feet. Mostly cloudy, with a high near 42. West southwest wind around 7 mph.

    High: 42 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly before 10pm.  Snow level 6800 feet. Mostly cloudy, with a low around 38. South southwest wind 7 to 13 mph, with gusts as high as 20 mph.

    Low: 38 °F

    Chance Rain

  • Sunday

    Sunday: A 50 percent chance of rain.  Snow level 7000 feet. Mostly cloudy, with a high near 43.

    High: 43 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain before 10pm.  Snow level 6900 feet. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain
    then Mostly
    Cloudy

  • Monday

    Monday: A slight chance of rain after 10am.  Snow level 6800 feet rising to 7700 feet in the afternoon. Partly sunny, with a high near 47.

    High: 47 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Monday Night

    Monday Night: A chance of rain, mainly after 10pm.  Mostly cloudy, with a low around 40.

    Low: 40 °F

    Chance Rain

Detailed Forecast

Overnight
A 30 percent chance of rain, mainly between 3am and 4am. Mostly cloudy, with a low around 40. Calm wind.
Friday
Rain likely, mainly after 5pm. Mostly cloudy, with a high near 45. Light west southwest wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 60%.
Friday Night
Rain, mainly before 9pm. Low around 39. West wind around 10 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A 30 percent chance of rain, mainly after 10am. Snow level 6300 feet. Mostly cloudy, with a high near 42. West southwest wind around 7 mph.
Saturday Night
A 30 percent chance of rain, mainly before 10pm. Snow level 6800 feet. Mostly cloudy, with a low around 38. South southwest wind 7 to 13 mph, with gusts as high as 20 mph.
Sunday
A 50 percent chance of rain. Snow level 7000 feet. Mostly cloudy, with a high near 43.
Sunday Night
A 30 percent chance of rain before 10pm. Snow level 6900 feet. Mostly cloudy, with a low around 37.
Monday
A slight chance of rain after 10am. Snow level 6800 feet rising to 7700 feet in the afternoon. Partly sunny, with a high near 47.
Monday Night
A chance of rain, mainly after 10pm. Mostly cloudy, with a low around 40.
Tuesday
A chance of rain. Partly sunny, with a high near 48.
Tuesday Night
A chance of rain. Mostly cloudy, with a low around 43.
Wednesday
A chance of rain. Partly sunny, with a high near 49.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 41.
Thursday
A slight chance of rain. Snow level 7900 feet. Mostly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NNE Happy Camp CA
 42.02°N 123.27°W (Elev. 5052 ft)
12:41 am PST Dec 5, 2025
2am PST Dec 5, 2025-6pm PST Dec 11, 2025
 
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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