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Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

66°F

19°C

Humidity 34%
Wind Speed SW 6 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 19 Apr 04:52 PM PDT
Extended Forecast for

Happy Camp CA

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

  • This Afternoon

    This Afternoon: A 20 percent chance of rain. Mostly cloudy, with a high near 74. South southwest wind around 6 mph.

    High: 74 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: A slight chance of rain before 7pm, then a slight chance of rain after 3am. Mostly cloudy, with a low around 46. South southwest wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 20%.

    Low: 46 °F

    Slight Chance
    Rain

  • Monday

    Monday: Rain, mainly after 9am. High near 58. Light and variable wind becoming south around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 58 °F

    Rain Likely
    then Rain

  • Monday Night

    Monday Night: Rain. Low around 42. South southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain

  • Tuesday

    Tuesday: Rain likely, then showers and possibly a thunderstorm after 11am. High near 59. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 59 °F

    Showers

  • Tuesday Night

    Tuesday Night: Rain. Low around 41. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain

  • Wednesday

    Wednesday: Rain likely. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.

    High: 60 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A chance of rain before 11pm. Partly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain
    then Partly
    Cloudy

  • Thursday

    Thursday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of rain. Mostly cloudy, with a high near 74. South southwest wind around 6 mph.
Tonight
A slight chance of rain before 7pm, then a slight chance of rain after 3am. Mostly cloudy, with a low around 46. South southwest wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 20%.
Monday
Rain, mainly after 9am. High near 58. Light and variable wind becoming south around 5 mph in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Rain. Low around 42. South southwest wind around 6 mph becoming calm in the evening. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain likely, then showers and possibly a thunderstorm after 11am. High near 59. Light and variable wind. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Rain. Low around 41. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain likely. Mostly cloudy, with a high near 60. Chance of precipitation is 70%.
Wednesday Night
A chance of rain before 11pm. Partly cloudy, with a low around 36.
Thursday
Sunny, with a high near 70.
Thursday Night
Mostly clear, with a low around 39.
Friday
Sunny, with a high near 75.
Friday Night
Clear, with a low around 43.
Saturday
A slight chance of rain. Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 43.
Sunday
A slight chance of rain. Mostly sunny, with a high near 74.
Basemap Options
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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:
4:41 pm PDT Apr 19, 2026
Forecast Valid:
5pm PDT Apr 19, 2026-6pm PDT Apr 26, 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