Another Round of Heavy Rain and Mountain Snow in California; Snow in the Great Lakes and Northeast

Another round of heavy rainfall will renew concerns for additional flash flooding and landslides in southern California around burn scars and coastal mountain ranges. A low pressure system is bringing enhanced snowfall downwind from the lower Great Lakes into the Northeast mountain ranges. Above average temperatures will challenge or break daily record high temperatures across the southern Plains. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10375°NLon: 123.68508°WElev: 1389.0ft.

NA

51°F

11°C

Humidity 98%
Wind Speed N 0 MPH
Barometer NA
Dewpoint 50°F (10°C)
Visibility NA
Last update 16 Nov 10:52 PM PST
Extended Forecast for

16 Miles NNE Happy Camp CA

  • Tonight

    Tonight: Rain before 3am, then rain and snow.  Snow level 6500 feet lowering to 5600 feet. Low around 35. South southwest wind 9 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow

  • Monday

    Monday: Rain and snow before 3pm, then a chance of snow.  High near 37. North wind 6 to 8 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 37 °F

    Rain/Snow
    then Chance
    Rain/Snow

  • Monday Night

    Monday Night: A 30 percent chance of snow before 10pm.  Mostly cloudy, with a low around 34. North northeast wind around 8 mph.  Little or no snow accumulation expected.

    Low: 34 °F

    Chance Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: A slight chance of snow before 1pm, then a slight chance of rain and snow.  Partly sunny, with a high near 38. North northeast wind around 6 mph.  Chance of precipitation is 20%.

    High: 38 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 30. Northeast wind around 7 mph becoming east southeast after midnight.

    Low: 30 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of rain after 4pm.  Snow level 5100 feet rising to 6000 feet in the afternoon. Mostly sunny, with a high near 44.

    High: 44 °F

    Mostly Sunny
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain before 10pm, then rain and snow likely.  Snow level 6200 feet lowering to 5400 feet after midnight . Mostly cloudy, with a low around 34. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 34 °F

    Rain/Snow
    Likely

  • Thursday

    Thursday: Snow likely before 1pm, then rain and snow likely.  Mostly cloudy, with a high near 36.

    High: 36 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Thursday Night

    Thursday Night: A chance of rain and snow, mainly before 10pm.  Snow level 5400 feet. Mostly cloudy, with a low around 32.

    Low: 32 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Rain before 3am, then rain and snow. Snow level 6500 feet lowering to 5600 feet. Low around 35. South southwest wind 9 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Monday
Rain and snow before 3pm, then a chance of snow. High near 37. North wind 6 to 8 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Monday Night
A 30 percent chance of snow before 10pm. Mostly cloudy, with a low around 34. North northeast wind around 8 mph. Little or no snow accumulation expected.
Tuesday
A slight chance of snow before 1pm, then a slight chance of rain and snow. Partly sunny, with a high near 38. North northeast wind around 6 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 30. Northeast wind around 7 mph becoming east southeast after midnight.
Wednesday
A 30 percent chance of rain after 4pm. Snow level 5100 feet rising to 6000 feet in the afternoon. Mostly sunny, with a high near 44.
Wednesday Night
A chance of rain before 10pm, then rain and snow likely. Snow level 6200 feet lowering to 5400 feet after midnight . Mostly cloudy, with a low around 34. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
Snow likely before 1pm, then rain and snow likely. Mostly cloudy, with a high near 36.
Thursday Night
A chance of rain and snow, mainly before 10pm. Snow level 5400 feet. Mostly cloudy, with a low around 32.
Friday
A slight chance of rain and snow before 10am, then a slight chance of rain. Snow level 5700 feet rising to 6400 feet in the afternoon. Mostly sunny, with a high near 42.
Friday Night
A slight chance of rain. Snow level 6800 feet. Mostly cloudy, with a low around 35.
Saturday
A chance of rain. Snow level 6900 feet. Partly sunny, with a high near 45.
Saturday Night
A chance of rain. Snow level 6700 feet. Mostly cloudy, with a low around 37.
Sunday
A chance of rain. Snow level 6100 feet. Partly sunny, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NNE Happy Camp CA
 42.02°N 123.27°W (Elev. 5052 ft)
9:41 pm PST Nov 16, 2025
11pm PST Nov 16, 2025-6pm PST Nov 23, 2025
 
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Additional Resources

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