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

9 Miles WNW Illinois Valley OR

  • Overnight

    Overnight: A 30 percent chance of rain, mainly between 3am and 5am.  Partly cloudy, with a low around 45. Calm wind.

    Low: 45 °F

    Chance Rain

  • Friday

    Friday: Rain and possibly a thunderstorm before 2pm, then showers and possibly a thunderstorm, mainly after 2pm.  High near 50. Calm wind becoming southwest 5 to 9 mph in the afternoon.  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: Rain and possibly a thunderstorm.  Snow level 5900 feet. Low around 43. South southwest wind 6 to 8 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Rain

  • Saturday

    Saturday: Rain before 11am, then showers and possibly a thunderstorm between 11am and 2pm, then rain after 2pm.  Snow level 5500 feet lowering to 4700 feet in the afternoon . High near 44. Southwest wind 7 to 9 mph.  Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 44 °F

    Showers

  • Saturday Night

    Saturday Night: Rain.  Snow level 4900 feet. Low around 40. South southwest wind around 6 mph becoming north in the evening.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 40 °F

    Rain then
    Rain Likely

  • Sunday

    Sunday: Rain.  Snow level 4800 feet. High near 43. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 43 °F

    Rain

  • Sunday Night

    Sunday Night: Rain likely.  Snow level 4900 feet lowering to 4400 feet. Mostly cloudy, with a low around 39. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 39 °F

    Rain Likely

  • Monday

    Monday: Rain likely before 8am, then rain likely, possibly mixed with snow between 8am and 11am, then a chance of rain after 11am.  Snow level 4400 feet. Mostly cloudy, with a high near 45.

    High: 45 °F

    Rain/Snow
    Likely then
    Chance Rain

  • Monday Night

    Monday Night: A chance of rain before 11pm.  Snow level 4700 feet lowering to 3900 feet after midnight . Mostly cloudy, with a low around 36.

    Low: 36 °F

    Chance Rain
    then Mostly
    Cloudy

Detailed Forecast

Overnight
A 30 percent chance of rain, mainly between 3am and 5am. Partly cloudy, with a low around 45. Calm wind.
Friday
Rain and possibly a thunderstorm before 2pm, then showers and possibly a thunderstorm, mainly after 2pm. High near 50. Calm wind becoming southwest 5 to 9 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Rain and possibly a thunderstorm. Snow level 5900 feet. Low around 43. South southwest wind 6 to 8 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Saturday
Rain before 11am, then showers and possibly a thunderstorm between 11am and 2pm, then rain after 2pm. Snow level 5500 feet lowering to 4700 feet in the afternoon . High near 44. Southwest wind 7 to 9 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday Night
Rain. Snow level 4900 feet. Low around 40. South southwest wind around 6 mph becoming north in the evening. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Sunday
Rain. Snow level 4800 feet. High near 43. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Rain likely. Snow level 4900 feet lowering to 4400 feet. Mostly cloudy, with a low around 39. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Rain likely before 8am, then rain likely, possibly mixed with snow between 8am and 11am, then a chance of rain after 11am. Snow level 4400 feet. Mostly cloudy, with a high near 45.
Monday Night
A chance of rain before 11pm. Snow level 4700 feet lowering to 3900 feet after midnight . Mostly cloudy, with a low around 36.
Tuesday
Partly sunny, with a high near 49.
Tuesday Night
A chance of rain. Snow level 5000 feet lowering to 4300 feet after midnight . Mostly cloudy, with a low around 39.
Wednesday
A chance of rain. Snow level 4400 feet rising to 5300 feet in the afternoon. Partly sunny, with a high near 46.
Wednesday Night
A chance of rain. Snow level 5300 feet lowering to 4200 feet after midnight . Partly cloudy, with a low around 37.
Thursday
A slight chance of rain. Snow level 3900 feet rising to 4900 feet in the afternoon. Sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WNW Illinois Valley OR
 42.15°N 123.85°W (Elev. 3356 ft)
11:26 pm PDT Apr 9, 2026
2am PDT Apr 10, 2026-6pm PDT Apr 16, 2026
 
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Additional Resources

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