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

40°F

4°C

Humidity 98%
Wind Speed NE 1 MPH
Barometer NA
Dewpoint 39°F (4°C)
Visibility NA
Last update 19 Apr 06:52 AM PDT
Extended Forecast for

3 Miles SE Illinois Valley OR

  • Today

    Today: Mostly cloudy, with a high near 69. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 69 °F

    Mostly Cloudy

  • Tonight

    Tonight: A slight chance of rain before 10pm, then a chance of rain after 11pm.  Mostly cloudy, with a low around 41. Southwest wind 5 to 7 mph becoming calm  in the evening.  Chance of precipitation is 30%.

    Low: 41 °F

    Chance Rain

  • Monday

    Monday: Rain, mainly after 11am.  High near 60. Calm wind becoming southwest 5 to 7 mph in the afternoon.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 60 °F

    Rain

  • Monday Night

    Monday Night: Rain.  Low around 39. Southwest wind 5 to 7 mph becoming calm  in the evening.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 39 °F

    Rain

  • Tuesday

    Tuesday: Rain likely, then showers and possibly a thunderstorm after 11am.  High near 55. Light and variable wind.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 55 °F

    Showers

  • Tuesday Night

    Tuesday Night: Rain.  Low around 38. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain

  • Wednesday

    Wednesday: Rain.  High near 54. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 54 °F

    Rain

  • Wednesday Night

    Wednesday Night: A chance of rain, mainly before 11pm.  Snow level 5000 feet lowering to 4300 feet after midnight . Mostly cloudy, with a low around 34.

    Low: 34 °F

    Chance Rain

  • Thursday

    Thursday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 69. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Tonight
A slight chance of rain before 10pm, then a chance of rain after 11pm. Mostly cloudy, with a low around 41. Southwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 30%.
Monday
Rain, mainly after 11am. High near 60. Calm wind becoming southwest 5 to 7 mph in the afternoon. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday Night
Rain. Low around 39. Southwest wind 5 to 7 mph becoming calm in the evening. 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 55. Light and variable wind. 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. Low around 38. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain. High near 54. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
A chance of rain, mainly before 11pm. Snow level 5000 feet lowering to 4300 feet after midnight . Mostly cloudy, with a low around 34.
Thursday
Mostly sunny, with a high near 64.
Thursday Night
Mostly clear, with a low around 36.
Friday
Sunny, with a high near 71.
Friday Night
Mostly clear, with a low around 38.
Saturday
Sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Illinois Valley OR
 42.08°N 123.65°W (Elev. 1644 ft)
4:41 am PDT Apr 19, 2026
7am PDT Apr 19, 2026-6pm PDT Apr 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database