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

Heavy Rain and Flooding Concerns in Hawaii; Severe Weather in the Plains

A storm system is expected to bring strong winds, widespread heavy rainfall, and flooding concerns to the Hawaiian Islands through the weekend. Strong to severe thunderstorms are forecast from the Southern Plains to the Mid-Missouri Valley Thursday afternoon and evening. Large hail and strong winds are the primary threats. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

56°F

13°C

Humidity 92%
Wind Speed SW 3 MPH
Barometer NA
Dewpoint 54°F (12°C)
Visibility NA
Last update 08 Apr 11:52 PM PDT
Extended Forecast for

11 Miles NNE Happy Camp CA

  • Overnight

    Overnight: Partly cloudy, with a low around 44. Light and variable wind.

    Low: 44 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 54. South southeast wind 5 to 7 mph becoming west southwest in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 54 °F

    Chance
    T-storms then
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 10pm, then a chance of showers. Snow level 7800 feet lowering to 7200 feet after midnight . Low around 43. Southwest wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Showers then
    Chance
    Showers

  • Friday

    Friday: A chance of showers, then showers and possibly a thunderstorm after 11am. Snow level 7000 feet. High near 47. Light and variable wind becoming west southwest 5 to 10 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 47 °F

    Showers

  • Friday Night

    Friday Night: Rain showers before 5am, then rain, possibly mixed with snow showers. Some thunder is also possible. Snow level 6600 feet lowering to 5800 feet after midnight . Low around 38. South southwest wind 8 to 11 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 38 °F

    Showers then
    Rain/Snow

  • Saturday

    Saturday: Rain and snow showers. Snow level 5100 feet. High near 40. Chance of precipitation is 100%. Little or no snow accumulation expected.

    High: 40 °F

    Rain/Snow

  • Saturday Night

    Saturday Night: Snow showers. Low around 35. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    Low: 35 °F

    Snow Showers

  • Sunday

    Sunday: Snow showers. Some thunder is also possible. Cloudy, with a high near 38.

    High: 38 °F

    Snow Showers

  • Sunday Night

    Sunday Night: Snow, mainly before 11pm. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Snow

Detailed Forecast

Overnight
Partly cloudy, with a low around 44. Light and variable wind.
Thursday
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after noon. High near 54. South southeast wind 5 to 7 mph becoming west southwest in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday Night
Showers and possibly a thunderstorm before 10pm, then a chance of showers. Snow level 7800 feet lowering to 7200 feet after midnight . Low around 43. Southwest wind around 6 mph becoming light and variable in the evening. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Friday
A chance of showers, then showers and possibly a thunderstorm after 11am. Snow level 7000 feet. High near 47. Light and variable wind becoming west southwest 5 to 10 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Rain showers before 5am, then rain, possibly mixed with snow showers. Some thunder is also possible. Snow level 6600 feet lowering to 5800 feet after midnight . Low around 38. South southwest wind 8 to 11 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Saturday
Rain and snow showers. Snow level 5100 feet. High near 40. Chance of precipitation is 100%. Little or no snow accumulation expected.
Saturday Night
Snow showers. Low around 35. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Sunday
Snow showers. Some thunder is also possible. Cloudy, with a high near 38.
Sunday Night
Snow, mainly before 11pm. Mostly cloudy, with a low around 35.
Monday
A chance of snow before 2pm, then a chance of rain. Partly sunny, with a high near 41.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
Mostly sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
A chance of rain and snow. Snow level 5100 feet rising to 6300 feet in the afternoon. Partly sunny, with a high near 49.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNE Happy Camp CA
 41.95°N 123.28°W (Elev. 4839 ft)
Last Update:
11:46 pm PDT Apr 8, 2026
Forecast Valid:
12am PDT Apr 9, 2026-6pm PDT Apr 15, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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