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

60°F

16°C

Humidity 83%
Wind Speed NNW 4 MPH
Barometer NA
Dewpoint 55°F (13°C)
Visibility NA
Last update 09 Apr 04:52 PM PDT
Extended Forecast for

9 Miles WNW Illinois Valley OR

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a steady temperature around 52. West southwest wind around 6 mph.  Chance of precipitation is 70%.

    High: 52 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 8pm, then showers likely.  Low around 46. West southwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 46 °F

    Showers then
    Chance
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm.  Snow level 7100 feet lowering to 6300 feet in the afternoon . High near 50. Calm wind becoming southwest 5 to 8 mph in the morning.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 50 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm.  Snow level 6000 feet. Low around 42. South wind 6 to 8 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Showers

  • Saturday

    Saturday: Showers.  Snow level 5500 feet lowering to 4600 feet. High near 44. Southwest wind 6 to 9 mph.  Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

    High: 44 °F

    Showers

  • Saturday Night

    Saturday Night: Showers.  Snow level 4700 feet. Low around 38. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 38 °F

    Showers

  • Sunday

    Sunday: Rain, possibly mixed with snow showers, becoming all rain after 11am.  Snow level 4200 feet rising to 4800 feet in the afternoon. High near 43. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 43 °F

    Rain/Snow
    then Showers

  • Sunday Night

    Sunday Night: Rain likely.  Snow level 4700 feet. Mostly cloudy, with a low around 40.

    Low: 40 °F

    Rain Likely

  • Monday

    Monday: Rain likely, mainly before 11am.  Snow level 4500 feet. Mostly cloudy, with a high near 45.

    High: 45 °F

    Rain Likely

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm. Mostly cloudy, with a steady temperature around 52. West southwest wind around 6 mph. Chance of precipitation is 70%.
Tonight
Showers and possibly a thunderstorm before 8pm, then showers likely. Low around 46. West southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. Snow level 7100 feet lowering to 6300 feet in the afternoon . High near 50. Calm wind becoming southwest 5 to 8 mph in the morning. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Showers and possibly a thunderstorm. Snow level 6000 feet. Low around 42. South wind 6 to 8 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Showers. Snow level 5500 feet lowering to 4600 feet. High near 44. Southwest wind 6 to 9 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.
Saturday Night
Showers. Snow level 4700 feet. Low around 38. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain, possibly mixed with snow showers, becoming all rain after 11am. Snow level 4200 feet rising to 4800 feet in the afternoon. High near 43. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday Night
Rain likely. Snow level 4700 feet. Mostly cloudy, with a low around 40.
Monday
Rain likely, mainly before 11am. Snow level 4500 feet. Mostly cloudy, with a high near 45.
Monday Night
A chance of rain, mainly before 11pm. Snow level 4900 feet lowering to 4000 feet after midnight . Mostly cloudy, with a low around 37.
Tuesday
Mostly sunny, with a high near 50.
Tuesday Night
A slight chance of rain. Snow level 5100 feet lowering to 4300 feet after midnight . Mostly cloudy, with a low around 38.
Wednesday
A chance of rain. Snow level 4300 feet rising to 5100 feet in the afternoon. Partly sunny, with a high near 46.
Wednesday Night
A chance of rain. Snow level 5200 feet lowering to 4300 feet after midnight . Partly cloudy, with a low around 36.
Thursday
A slight chance of rain. Snow level 4000 feet rising to 5000 feet in the afternoon. Mostly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WNW Illinois Valley OR
 42.15°N 123.85°W (Elev. 3356 ft)
4:41 pm PDT Apr 9, 2026
5pm PDT Apr 9, 2026-6pm PDT Apr 16, 2026
 
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Additional Resources

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