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

Heavy Rain and Flooding Concerns in Hawaii; Severe Weather this Weekend in the Plains; Pacific Storm in the West

A storm system near the Hawaiian Islands is expected to bring periods of heavy rainfall, strong winds, and isolated strong to severe thunderstorms through Friday. Several rounds of severe thunderstorms are forecast to impact parts of the Great Plains into the Midwest this weekend into next week. Moderate to heavy rainfall and high elevation snow is expected this weekend over California and Oregon. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

49°F

9°C

Humidity 100%
Wind Speed WSW 0 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 10 Apr 01:52 AM PDT
Extended Forecast for

12 Miles NNE Happy Camp CA

  • Overnight

    Overnight: A 20 percent chance of rain after 4am. Snow level 7500 feet. Partly cloudy, with a low around 42. Light east southeast wind.

    Low: 42 °F

    Slight Chance
    Rain

  • Friday

    Friday: A chance of rain and thunderstorms, then showers and possibly a thunderstorm after noon. Snow level 7000 feet. High near 46. Southeast wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    High: 46 °F

    Chance
    T-storms then
    Showers

  • Friday Night

    Friday Night: Rain and snow before 4am, then rain likely between 4am and 5am, then rain likely, possibly mixed with snow after 5am. Some thunder is also possible. Snow level 6300 feet lowering to 5700 feet after midnight . Low around 39. South southwest wind around 6 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 39 °F

    Rain/Snow

  • Saturday

    Saturday: Rain, possibly mixed with snow showers. Some thunder is also possible. Snow level 5500 feet. High near 40. South southwest wind 6 to 8 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow

  • Saturday Night

    Saturday Night: Rain and snow. Snow level 5100 feet. Low around 37. West southwest wind 3 to 7 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain/Snow
    then
    Rain/Snow
    Likely

  • Sunday

    Sunday: Snow before 2pm, then rain and snow. Snow level 4900 feet. High near 38. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 38 °F

    Snow then
    Rain/Snow

  • Sunday Night

    Sunday Night: Rain and snow likely before 11pm, then a chance of snow. Mostly cloudy, with a low around 37. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Monday

    Monday: Snow likely before 2pm, then a chance of rain and snow. Partly sunny, with a high near 40.

    High: 40 °F

    Snow Likely
    then Chance
    Rain/Snow

  • Monday Night

    Monday Night: A chance of rain and snow before 11pm. Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

Detailed Forecast

Overnight
A 20 percent chance of rain after 4am. Snow level 7500 feet. Partly cloudy, with a low around 42. Light east southeast wind.
Friday
A chance of rain and thunderstorms, then showers and possibly a thunderstorm after noon. Snow level 7000 feet. High near 46. Southeast wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Rain and snow before 4am, then rain likely between 4am and 5am, then rain likely, possibly mixed with snow after 5am. Some thunder is also possible. Snow level 6300 feet lowering to 5700 feet after midnight . Low around 39. South southwest wind around 6 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Saturday
Rain, possibly mixed with snow showers. Some thunder is also possible. Snow level 5500 feet. High near 40. South southwest wind 6 to 8 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Saturday Night
Rain and snow. Snow level 5100 feet. Low around 37. West southwest wind 3 to 7 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday
Snow before 2pm, then rain and snow. Snow level 4900 feet. High near 38. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday Night
Rain and snow likely before 11pm, then a chance of snow. Mostly cloudy, with a low around 37. Chance of precipitation is 70%. Little or no snow accumulation expected.
Monday
Snow likely before 2pm, then a chance of rain and snow. Partly sunny, with a high near 40.
Monday Night
A chance of rain and snow before 11pm. Mostly cloudy, with a low around 34.
Tuesday
Mostly sunny, with a high near 46.
Tuesday Night
A slight chance of snow. Snow level 6100 feet lowering to 4900 feet after midnight . Mostly cloudy, with a low around 36.
Wednesday
A chance of rain and snow. Snow level rising to 5700 feet in the afternoon. Partly sunny, with a high near 43.
Wednesday Night
A chance of rain and snow. Snow level 5800 feet lowering to 4900 feet after midnight . Mostly cloudy, with a low around 35.
Thursday
Sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NNE Happy Camp CA
 41.95°N 123.31°W (Elev. 4911 ft)
Last Update:
11:26 pm PDT Apr 9, 2026
Forecast Valid:
2am PDT Apr 10, 2026-6pm PDT Apr 16, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation