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

Fire Weather Issues; Pacific System Moving Inland

Dry fuels, strong winds and dry weather will continue to bring elevated to critical fire weather conditions to the areas of the Plains, Midwest and Southeast today. A Pacific storm system will bring low elevation rain and heavy high elevation mountain snow to California through early week, expanding into the Pacific Northwest, Great Basin, and southern California on Tuesday. Read More >

Hazardous Weather Conditions

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10386°NLon: 123.68519°WElev: 1389.0ft.

NA

58°F

14°C

Humidity 67%
Wind Speed WNW 3 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 20 Apr 12:52 PM PDT
Extended Forecast for

7 Miles NE Happy Camp CA

Winter Weather Advisory April 20, 01:37pm until April 21, 11:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory April 20, 01:37pm until April 21, 11:00am

    NOW until 11:00am Tue

    Winter Weather Advisory

  • This Afternoon

    High: 57 °F

    Rain

  • Tonight

    Tonight: Rain, mainly before 4am. Low around 43. South wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Rain then
    Rain Likely

  • Tuesday

    Tuesday: Rain likely, then showers and possibly a thunderstorm after 11am. Snow level 4900 feet rising to 5600 feet in the afternoon. High near 56. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 56 °F

    Showers
    Likely then
    Showers

  • Tuesday Night

    Tuesday Night: Rain, mainly before 11pm. Snow level 5300 feet lowering to 4600 feet after midnight . Low around 39. West northwest wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: Rain likely. Snow level 4300 feet rising to 5200 feet in the afternoon. Mostly cloudy, with a high near 55. West southwest wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 55 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 11pm. Snow level 5200 feet lowering to 4100 feet after midnight . Partly cloudy, with a low around 36.

    Low: 36 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 39.

    Low: 39 °F

    Clear

Detailed Forecast

This Afternoon
Rain. Steady temperature around 57. South wind 3 to 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Rain, mainly before 4am. Low around 43. South wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain likely, then showers and possibly a thunderstorm after 11am. Snow level 4900 feet rising to 5600 feet in the afternoon. High near 56. Calm wind becoming west southwest around 5 mph in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Rain, mainly before 11pm. Snow level 5300 feet lowering to 4600 feet after midnight . Low around 39. West northwest wind 3 to 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain likely. Snow level 4300 feet rising to 5200 feet in the afternoon. Mostly cloudy, with a high near 55. West southwest wind 5 to 8 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A 20 percent chance of rain before 11pm. Snow level 5200 feet lowering to 4100 feet after midnight . Partly cloudy, with a low around 36.
Thursday
Sunny, with a high near 69.
Thursday Night
Clear, with a low around 39.
Friday
Sunny, with a high near 75.
Friday Night
Clear, with a low around 43.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 44.
Sunday
A slight chance of rain. Mostly sunny, with a high near 72.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles NE Happy Camp CA
 41.87°N 123.26°W (Elev. 2041 ft)
Last Update:
1:25 pm PDT Apr 20, 2026
Forecast Valid:
1pm PDT Apr 20, 2026-6pm PDT Apr 26, 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