Showers and Thunderstorms for the Eastern Third of the Country; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

Showers and thunderstorms will continue along and ahead of a cold front for the eastern third of the country. The rainfall for the Great Lakes region could prolong the ongoing flooding. Much cooler weather will filter in behind this cold front along and east of the Rockies. Where the rain is needed, the Southern High Plains, critical fire weather concerns through this weekend. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

31°F

-1°C

Humidity 100%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 31°F (-1°C)
Visibility NA
Last update 18 Apr 05:52 AM PDT
Extended Forecast for

9 Miles WNW Illinois Valley OR

  • Today

    Today: Mostly sunny, with a high near 59. Southwest wind 3 to 7 mph.

    High: 59 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. Southwest wind around 6 mph becoming calm.

    Low: 46 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of rain, mainly after 11am.  Snow level 6200 feet rising to 7100 feet in the afternoon. Mostly cloudy, with a high near 57. Southeast wind 6 to 9 mph becoming west southwest in the afternoon.

    High: 57 °F

    Chance Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain.  Mostly cloudy, with a low around 44. West southwest wind 5 to 8 mph becoming northeast after midnight.

    Low: 44 °F

    Chance Rain

  • Monday

    Monday: Rain.  Snow level 6400 feet. High near 50. East southeast wind 6 to 9 mph becoming southwest in the afternoon.  Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Rain

  • Monday Night

    Monday Night: Rain.  Snow level 6600 feet lowering to 5900 feet after midnight . Low around 43. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 43 °F

    Rain

  • Tuesday

    Tuesday: Rain before 11am, then showers and possibly a thunderstorm after 11am.  Snow level 5500 feet. High near 47. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 47 °F

    Showers

  • Tuesday Night

    Tuesday Night: Rain.  Snow level 5300 feet lowering to 4700 feet after midnight . Cloudy, with a low around 41.

    Low: 41 °F

    Rain

  • Wednesday

    Wednesday: Rain.  Snow level 4700 feet. Cloudy, with a high near 43.

    High: 43 °F

    Rain

Detailed Forecast

Today
Mostly sunny, with a high near 59. Southwest wind 3 to 7 mph.
Tonight
Mostly cloudy, with a low around 46. Southwest wind around 6 mph becoming calm.
Sunday
A 30 percent chance of rain, mainly after 11am. Snow level 6200 feet rising to 7100 feet in the afternoon. Mostly cloudy, with a high near 57. Southeast wind 6 to 9 mph becoming west southwest in the afternoon.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 44. West southwest wind 5 to 8 mph becoming northeast after midnight.
Monday
Rain. Snow level 6400 feet. High near 50. East southeast wind 6 to 9 mph becoming southwest in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Rain. Snow level 6600 feet lowering to 5900 feet after midnight . Low around 43. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday
Rain before 11am, then showers and possibly a thunderstorm after 11am. Snow level 5500 feet. High near 47. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
Rain. Snow level 5300 feet lowering to 4700 feet after midnight . Cloudy, with a low around 41.
Wednesday
Rain. Snow level 4700 feet. Cloudy, with a high near 43.
Wednesday Night
A chance of rain. Snow level 4900 feet lowering to 4100 feet after midnight . Mostly cloudy, with a low around 38.
Thursday
A chance of rain. Snow level 3900 feet rising to 5100 feet in the afternoon. Partly sunny, with a high near 50.
Thursday Night
Partly cloudy, with a low around 37.
Friday
Mostly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WNW Illinois Valley OR
 42.15°N 123.85°W (Elev. 3356 ft)
4:40 am PDT Apr 18, 2026
6am PDT Apr 18, 2026-6pm PDT Apr 24, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database