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 >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

75°F

24°C

Humidity 27%
Wind Speed S 3 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 18 Apr 01:52 PM PDT
Extended Forecast for

12 Miles W Happy Camp CA

  • This Afternoon

    This Afternoon: Sunny, with a high near 56. Southwest wind around 7 mph.

    High: 56 °F

    Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 43. Southwest wind 7 to 9 mph becoming southeast after midnight.

    Low: 43 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 54. Southeast wind 8 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.

    High: 54 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 30 percent chance of rain, mainly after 11pm.  Snow level 7700 feet lowering to 6500 feet after midnight . Mostly cloudy, with a low around 43. South southwest wind 8 to 14 mph becoming north in the evening. Winds could gust as high as 21 mph.

    Low: 43 °F

    Chance Rain

  • Monday

    Monday: Rain.  Snow level 6100 feet rising to 6700 feet in the afternoon. High near 46. East wind 9 to 14 mph becoming south southwest in the morning. Winds could gust as high as 21 mph.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 46 °F

    Rain

  • Monday Night

    Monday Night: Rain, possibly mixed with snow before 11pm, then rain between 11pm and 2am, then rain, possibly mixed with snow after 2am.  Snow level 6700 feet lowering to 5900 feet after midnight . Low around 40. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 40 °F

    Rain/Snow

  • Tuesday

    Tuesday: Rain, possibly mixed with snow showers. Some thunder is also possible.  Snow level 5600 feet. High near 41. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 41 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow.  Snow level 5500 feet lowering to 5000 feet after midnight . Mostly cloudy, with a low around 37.

    Low: 37 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow, becoming all rain after 2pm.  Cloudy, with a high near 39.

    High: 39 °F

    Rain/Snow

Detailed Forecast

This Afternoon
Sunny, with a high near 56. Southwest wind around 7 mph.
Tonight
Mostly cloudy, with a low around 43. Southwest wind 7 to 9 mph becoming southeast after midnight.
Sunday
Mostly cloudy, with a high near 54. Southeast wind 8 to 14 mph becoming southwest in the afternoon. Winds could gust as high as 21 mph.
Sunday Night
A 30 percent chance of rain, mainly after 11pm. Snow level 7700 feet lowering to 6500 feet after midnight . Mostly cloudy, with a low around 43. South southwest wind 8 to 14 mph becoming north in the evening. Winds could gust as high as 21 mph.
Monday
Rain. Snow level 6100 feet rising to 6700 feet in the afternoon. High near 46. East wind 9 to 14 mph becoming south southwest in the morning. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Rain, possibly mixed with snow before 11pm, then rain between 11pm and 2am, then rain, possibly mixed with snow after 2am. Snow level 6700 feet lowering to 5900 feet after midnight . Low around 40. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tuesday
Rain, possibly mixed with snow showers. Some thunder is also possible. Snow level 5600 feet. High near 41. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tuesday Night
Rain and snow. Snow level 5500 feet lowering to 5000 feet after midnight . Mostly cloudy, with a low around 37.
Wednesday
Rain and snow, becoming all rain after 2pm. Cloudy, with a high near 39.
Wednesday Night
Rain and snow likely, becoming all snow after 8pm. Mostly cloudy, with a low around 34.
Thursday
A chance of rain and snow. Mostly sunny, with a high near 46.
Thursday Night
Mostly clear, with a low around 37.
Friday
A slight chance of rain. Snow level 5300 feet rising to 6500 feet in the afternoon. Sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W Happy Camp CA
 41.79°N 123.59°W (Elev. 5000 ft)
12:26 pm PDT Apr 18, 2026
2pm PDT Apr 18, 2026-6pm PDT Apr 24, 2026
 
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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