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

34°F

1°C

Humidity 100%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 18 Apr 03:52 AM PDT
Extended Forecast for

3 Miles SE Illinois Valley OR

  • Today

    Today: Mostly sunny, with a high near 72. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 72 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 43. Southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 43 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 10 percent chance of rain after 11am.  Mostly cloudy, with a high near 69. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 69 °F

    Slight Chance
    Rain

  • Sunday Night

    Sunday Night: A 30 percent chance of rain.  Mostly cloudy, with a low around 41. Southwest wind 5 to 7 mph becoming calm  in the evening.

    Low: 41 °F

    Chance Rain

  • Monday

    Monday: Rain likely.  Mostly cloudy, with a high near 63. Calm wind becoming south southwest around 5 mph in the afternoon.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 63 °F

    Rain Likely

  • Monday Night

    Monday Night: Rain.  Low around 40. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain

  • Tuesday

    Tuesday: Rain likely, then showers and possibly a thunderstorm after 11am.  High near 57. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 57 °F

    Showers

  • Tuesday Night

    Tuesday Night: Rain.  Mostly cloudy, with a low around 38.

    Low: 38 °F

    Rain

  • Wednesday

    Wednesday: Rain likely.  Snow level 4800 feet. Mostly cloudy, with a high near 53.

    High: 53 °F

    Rain Likely

Detailed Forecast

Today
Mostly sunny, with a high near 72. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Tonight
Mostly cloudy, with a low around 43. Southwest wind 5 to 7 mph becoming calm in the evening.
Sunday
A 10 percent chance of rain after 11am. Mostly cloudy, with a high near 69. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Sunday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 41. Southwest wind 5 to 7 mph becoming calm in the evening.
Monday
Rain likely. Mostly cloudy, with a high near 63. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Rain. Low around 40. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Rain likely, then showers and possibly a thunderstorm after 11am. High near 57. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Rain. Mostly cloudy, with a low around 38.
Wednesday
Rain likely. Snow level 4800 feet. Mostly cloudy, with a high near 53.
Wednesday Night
A chance of rain, mainly before 11pm. Snow level 5100 feet lowering to 4200 feet after midnight . Mostly cloudy, with a low around 35.
Thursday
A slight chance of rain. Snow level 4000 feet rising to 5200 feet in the afternoon. Partly sunny, with a high near 61.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Sunny, with a high near 66.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Illinois Valley OR
 42.08°N 123.65°W (Elev. 1644 ft)
4:40 am PDT Apr 18, 2026
4am 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