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

76°F

24°C

Humidity 25%
Wind Speed WSW 6 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Heat Index77°F (25°C)
Last update 18 Apr 02:52 PM PDT
Extended Forecast for

12 Miles NE Happy Camp CA

  • Tonight

    Tonight: Mostly cloudy, with a low around 43. Calm wind becoming southeast 5 to 9 mph after midnight.

    Low: 43 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 56. Southeast wind 14 to 21 mph, with gusts as high as 31 mph.

    High: 56 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: A 20 percent chance of rain after 11pm.  Snow level 7700 feet lowering to 6500 feet after midnight . Mostly cloudy, with a low around 44. Southeast wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 44 °F

    Slight Chance
    Rain

  • Monday

    Monday: A chance of rain before 8am, then rain likely, possibly mixed with snow.  Snow level 6100 feet rising to 6800 feet in the afternoon. Mostly cloudy, with a high near 48. Breezy, with a south wind 16 to 24 mph, with gusts as high as 37 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 48 °F

    Rain/Snow
    Likely and
    Breezy

  • Monday Night

    Monday Night: Rain, possibly mixed with snow.  Snow level 6900 feet lowering to 6100 feet after midnight . Low around 39. South wind 9 to 17 mph, with gusts as high as 26 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 39 °F

    Rain/Snow

  • Tuesday

    Tuesday: Rain, possibly mixed with snow showers, becoming all rain after 5pm. Some thunder is also possible.  Snow level 5800 feet. High near 40. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain before 8pm, then snow.  Low around 36. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow
    then Snow
    Likely

  • Wednesday

    Wednesday: Snow.  Cloudy, with a high near 38.

    High: 38 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 11pm.  Mostly cloudy, with a low around 33.

    Low: 33 °F

    Snow Likely

Detailed Forecast

Tonight
Mostly cloudy, with a low around 43. Calm wind becoming southeast 5 to 9 mph after midnight.
Sunday
Mostly cloudy, with a high near 56. Southeast wind 14 to 21 mph, with gusts as high as 31 mph.
Sunday Night
A 20 percent chance of rain after 11pm. Snow level 7700 feet lowering to 6500 feet after midnight . Mostly cloudy, with a low around 44. Southeast wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
A chance of rain before 8am, then rain likely, possibly mixed with snow. Snow level 6100 feet rising to 6800 feet in the afternoon. Mostly cloudy, with a high near 48. Breezy, with a south wind 16 to 24 mph, with gusts as high as 37 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday Night
Rain, possibly mixed with snow. Snow level 6900 feet lowering to 6100 feet after midnight . Low around 39. South wind 9 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tuesday
Rain, possibly mixed with snow showers, becoming all rain after 5pm. Some thunder is also possible. Snow level 5800 feet. High near 40. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tuesday Night
Rain before 8pm, then snow. Low around 36. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday
Snow. Cloudy, with a high near 38.
Wednesday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 33.
Thursday
A chance of snow before 2pm, then a chance of rain. Partly sunny, with a high near 45.
Thursday Night
Mostly clear, with a low around 35.
Friday
Sunny, with a high near 52.
Friday Night
Mostly clear, with a low around 39.
Saturday
A slight chance of rain. Snow level 6300 feet rising to 7000 feet in the afternoon. Sunny, with a high near 55.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NE Happy Camp CA
 41.92°N 123.21°W (Elev. 5666 ft)
12:26 pm PDT Apr 18, 2026
3pm PDT Apr 18, 2026-6pm PDT Apr 25, 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