National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

48°F

9°C

Humidity 79%
Wind Speed SSW 6 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Wind Chill45°F (7°C)
Last update 12 Apr 10:52 PM PDT
Extended Forecast for

16 Miles NE Happy Camp CA

  • Tonight

    Tonight: A slight chance of rain before 4am, then a slight chance of rain and snow between 4am and 5am, then a chance of rain after 5am. Snow level 4500 feet. Mostly cloudy, with a steady temperature around 39. Southwest wind around 5 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 39 °F

    Chance
    Rain/Snow

  • Monday

    Monday: A chance of rain and snow before 8am, then a chance of rain after 11am. Snow level 4300 feet rising to 5500 feet in the afternoon. Partly sunny, with a high near 46. South southwest wind 5 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 46 °F

    Chance
    Rain/Snow
    then Chance
    Rain

  • Monday Night

    Monday Night: A 30 percent chance of rain before 11pm. Snow level 5500 feet lowering to 4500 feet after midnight . Mostly cloudy, with a low around 38. West wind 3 to 8 mph.

    Low: 38 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 52. Light south southwest wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 52 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Rain likely, mainly after 11pm. Snow level 5200 feet lowering to 4200 feet. Mostly cloudy, with a low around 39. South southwest wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain before 11am, then rain, possibly mixed with snow between 11am and 2pm, then rain after 2pm. Snow level 4800 feet. High near 41. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain likely before 8pm, then rain and snow likely between 8pm and 11pm, then a slight chance of snow after 11pm. Mostly cloudy, with a low around 29. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain/Snow
    Likely then
    Slight Chance
    Snow

  • Thursday

    Thursday: A slight chance of snow before 11am. Mostly sunny, with a high near 45.

    High: 45 °F

    Slight Chance
    Snow then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of rain before 4am, then a slight chance of rain and snow between 4am and 5am, then a chance of rain after 5am. Snow level 4500 feet. Mostly cloudy, with a steady temperature around 39. Southwest wind around 5 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Monday
A chance of rain and snow before 8am, then a chance of rain after 11am. Snow level 4300 feet rising to 5500 feet in the afternoon. Partly sunny, with a high near 46. South southwest wind 5 to 8 mph becoming northwest in the afternoon. Chance of precipitation is 50%. Little or no snow accumulation expected.
Monday Night
A 30 percent chance of rain before 11pm. Snow level 5500 feet lowering to 4500 feet after midnight . Mostly cloudy, with a low around 38. West wind 3 to 8 mph.
Tuesday
Partly sunny, with a high near 52. Light south southwest wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
Rain likely, mainly after 11pm. Snow level 5200 feet lowering to 4200 feet. Mostly cloudy, with a low around 39. South southwest wind 10 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Rain before 11am, then rain, possibly mixed with snow between 11am and 2pm, then rain after 2pm. Snow level 4800 feet. High near 41. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain likely before 8pm, then rain and snow likely between 8pm and 11pm, then a slight chance of snow after 11pm. Mostly cloudy, with a low around 29. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
A slight chance of snow before 11am. Mostly sunny, with a high near 45.
Thursday Night
Mostly clear, with a low around 31.
Friday
Sunny, with a high near 56.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 44.
Sunday
A chance of rain. Snow level 5900 feet. Partly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
16 Miles NE Happy Camp CA
 41.97°N 123.17°W (Elev. 2999 ft)
Last Update:
10:41 pm PDT Apr 12, 2026
Forecast Valid:
11pm PDT Apr 12, 2026-6pm PDT Apr 19, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation