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

53°F

12°C

Humidity 67%
Wind Speed NNW 1 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 19 Apr 09:52 AM PDT
Extended Forecast for

17 Miles WNW Illinois Valley OR

  • Today

    Today: Mostly cloudy, with a high near 52. South southwest wind 11 to 15 mph, with gusts as high as 22 mph.

    High: 52 °F

    Mostly Cloudy

  • Tonight

    Tonight: A 50 percent chance of rain after 3am.  Snow level 7600 feet lowering to 6100 feet after midnight . Mostly cloudy, with a low around 44. Southwest wind 5 to 10 mph becoming light south  after midnight.

    Low: 44 °F

    Chance Rain

  • Monday

    Monday: Rain.  Snow level 5800 feet rising to 6600 feet. High near 45. South southwest wind 7 to 11 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    High: 45 °F

    Rain

  • Monday Night

    Monday Night: Rain before 2am, then rain, possibly mixed with snow.  Snow level 5800 feet lowering to 5200 feet after midnight . Low around 41. West wind 7 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 41 °F

    Rain then
    Rain/Snow

  • Tuesday

    Tuesday: Rain, possibly mixed with snow showers, becoming all rain after 2pm. Some thunder is also possible.  Snow level 5200 feet. High near 44. West southwest wind 9 to 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain before 8pm, then rain, possibly mixed with snow.  Snow level 4900 feet. Low around 40. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 40 °F

    Rain/Snow

  • Wednesday

    Wednesday: Rain, possibly mixed with snow.  Snow level 4700 feet. High near 42. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 11pm.  Snow level 4800 feet lowering to 4300 feet after midnight . Mostly cloudy, with a low around 39.

    Low: 39 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain, mainly before 11am.  Snow level rising to 5300 feet in the afternoon. Mostly sunny, with a high near 51.

    High: 51 °F

    Chance Rain

Detailed Forecast

Today
Mostly cloudy, with a high near 52. South southwest wind 11 to 15 mph, with gusts as high as 22 mph.
Tonight
A 50 percent chance of rain after 3am. Snow level 7600 feet lowering to 6100 feet after midnight . Mostly cloudy, with a low around 44. Southwest wind 5 to 10 mph becoming light south after midnight.
Monday
Rain. Snow level 5800 feet rising to 6600 feet. High near 45. South southwest wind 7 to 11 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Rain before 2am, then rain, possibly mixed with snow. Snow level 5800 feet lowering to 5200 feet after midnight . Low around 41. West wind 7 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tuesday
Rain, possibly mixed with snow showers, becoming all rain after 2pm. Some thunder is also possible. Snow level 5200 feet. High near 44. West southwest wind 9 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tuesday Night
Rain before 8pm, then rain, possibly mixed with snow. Snow level 4900 feet. Low around 40. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday
Rain, possibly mixed with snow. Snow level 4700 feet. High near 42. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday Night
Rain likely, mainly before 11pm. Snow level 4800 feet lowering to 4300 feet after midnight . Mostly cloudy, with a low around 39.
Thursday
A chance of rain, mainly before 11am. Snow level rising to 5300 feet in the afternoon. Mostly sunny, with a high near 51.
Thursday Night
Mostly clear, with a low around 39.
Friday
Sunny, with a high near 58.
Friday Night
Mostly clear, with a low around 42.
Saturday
A slight chance of rain. Snow level 5900 feet rising to 6400 feet in the afternoon. Sunny, with a high near 58.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles WNW Illinois Valley OR
 42.18°N 123.98°W (Elev. 4344 ft)
9:02 am PDT Apr 19, 2026
10am PDT Apr 19, 2026-6pm PDT Apr 25, 2026
 
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Additional Resources

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