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

48°F

9°C

Humidity 76%
Wind Speed W 0 MPH
Barometer NA
Dewpoint 41°F (5°C)
Visibility NA
Last update 18 Apr 11:52 PM PDT
Extended Forecast for

13 Miles NE Happy Camp CA

  • Overnight

    Overnight: Mostly cloudy, with a low around 42. South southeast wind 5 to 9 mph.

    Low: 42 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 10 percent chance of rain after 5pm.  Snow level 6300 feet rising to 7700 feet in the afternoon. Mostly cloudy, with a high near 52. South wind 13 to 15 mph, with gusts as high as 22 mph.

    High: 52 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Sunday Night

    Sunday Night: A slight chance of rain before midnight, then a slight chance of rain and snow.  Snow level 7300 feet lowering to 6100 feet after midnight . Mostly cloudy, with a low around 41. South southeast wind 13 to 15 mph, with gusts as high as 22 mph.  Chance of precipitation is 20%.

    Low: 41 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

  • Monday

    Monday: Rain likely, possibly mixed with snow, mainly after 11am.  Snow level 5900 feet rising to 6600 feet in the afternoon. Mostly cloudy, with a high near 44. South wind 13 to 16 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow
    Likely

  • Monday Night

    Monday Night: Rain, possibly mixed with snow, becoming all snow after 2am.  Snow level 6500 feet lowering to 5800 feet after midnight . Low around 36. South wind 7 to 11 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow

  • Tuesday

    Tuesday: Snow showers before 2pm, then rain and snow showers. Some thunder is also possible.  High near 38. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 38 °F

    Snow Showers
    then
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Snow showers before 8pm, then snow, mainly after 8pm. Some thunder is also possible.  Low around 35. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 35 °F

    Snow Showers
    then Snow
    Likely

  • Wednesday

    Wednesday: Snow likely before 5pm, then snow likely, possibly mixed with rain.  Mostly cloudy, with a high near 37.

    High: 37 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before 8pm, then a chance of snow between 8pm and 11pm.  Mostly cloudy, with a low around 31.

    Low: 31 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 42. South southeast wind 5 to 9 mph.
Sunday
A 10 percent chance of rain after 5pm. Snow level 6300 feet rising to 7700 feet in the afternoon. Mostly cloudy, with a high near 52. South wind 13 to 15 mph, with gusts as high as 22 mph.
Sunday Night
A slight chance of rain before midnight, then a slight chance of rain and snow. Snow level 7300 feet lowering to 6100 feet after midnight . Mostly cloudy, with a low around 41. South southeast wind 13 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 20%.
Monday
Rain likely, possibly mixed with snow, mainly after 11am. Snow level 5900 feet rising to 6600 feet in the afternoon. Mostly cloudy, with a high near 44. South wind 13 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Monday Night
Rain, possibly mixed with snow, becoming all snow after 2am. Snow level 6500 feet lowering to 5800 feet after midnight . Low around 36. South wind 7 to 11 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tuesday
Snow showers before 2pm, then rain and snow showers. Some thunder is also possible. High near 38. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tuesday Night
Snow showers before 8pm, then snow, mainly after 8pm. Some thunder is also possible. Low around 35. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday
Snow likely before 5pm, then snow likely, possibly mixed with rain. Mostly cloudy, with a high near 37.
Wednesday Night
A chance of rain and snow before 8pm, then a chance of snow between 8pm and 11pm. Mostly cloudy, with a low around 31.
Thursday
A slight chance of rain and snow between 11am and 2pm, then a slight chance of rain after 2pm. Mostly sunny, with a high near 46.
Thursday Night
Mostly clear, with a low around 35.
Friday
Sunny, with a high near 52.
Friday Night
Mostly clear, with a low around 37.
Saturday
Sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
13 Miles NE Happy Camp CA
 41.93°N 123.18°W (Elev. 5801 ft)
11:35 pm PDT Apr 18, 2026
12am PDT Apr 19, 2026-6pm PDT Apr 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database