Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into next week. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10375°NLon: 123.68508°WElev: 1389.0ft.

NA

74°F

23°C

Humidity 41%
Wind Speed E 2 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 18 Jun 10:52 AM PDT
Extended Forecast for

17 Miles WNW Illinois Valley OR

  • Today

    Today: Sunny, with a high near 64. West wind 6 to 8 mph.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 46. West wind around 7 mph becoming east northeast after midnight.

    Low: 46 °F

    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 61. East northeast wind 8 to 11 mph.

    High: 61 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 43. North northwest wind 8 to 13 mph, with gusts as high as 20 mph.

    Low: 43 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of rain before 11am, then showers likely after 11am.  Snow level 6000 feet lowering to 5200 feet. Partly sunny, with a high near 46. West wind 11 to 16 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 46 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers, mainly before 11pm.  Snow level 5800 feet lowering to 5100 feet. Low around 43. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers.  Snow level 5100 feet rising to 6300 feet in the afternoon. Partly sunny, with a high near 48.

    High: 48 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers, mainly before 11pm.  Snow level 6400 feet. Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance
    Showers

  • Sunday

    Sunday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 64. West wind 6 to 8 mph.
Tonight
Mostly clear, with a low around 46. West wind around 7 mph becoming east northeast after midnight.
Juneteenth
Sunny, with a high near 61. East northeast wind 8 to 11 mph.
Thursday Night
Partly cloudy, with a low around 43. North northwest wind 8 to 13 mph, with gusts as high as 20 mph.
Friday
A slight chance of rain before 11am, then showers likely after 11am. Snow level 6000 feet lowering to 5200 feet. Partly sunny, with a high near 46. West wind 11 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday Night
Showers, mainly before 11pm. Snow level 5800 feet lowering to 5100 feet. Low around 43. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A 50 percent chance of showers. Snow level 5100 feet rising to 6300 feet in the afternoon. Partly sunny, with a high near 48.
Saturday Night
A chance of showers, mainly before 11pm. Snow level 6400 feet. Mostly cloudy, with a low around 45.
Sunday
Mostly sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 49.
Monday
Sunny, with a high near 69.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles WNW Illinois Valley OR
 42.18°N 123.98°W (Elev. 4344 ft)
10:40 am PDT Jun 18, 2025
11am PDT Jun 18, 2025-6pm PDT Jun 24, 2025
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database