National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms for the Center of the Nation; Fire Weather Concerns; Flooding Issues for the Great Lakes Region

A round of severe thunderstorms are forecast across areas of the Southern Plains, Mississippi Valley and Great Lakes this afternoon and tonight; The threat for flash flooding will also accompany these storms. The rainfall for the Great Lakes region could prolong the ongoing flooding. Where the rain is needed, the Southern High Plains, critical fire weather concerns through today. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

68°F

20°C

Humidity 20%
Wind Speed NNE 4 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 17 Apr 05:52 PM PDT
Extended Forecast for

17 Miles WNW Illinois Valley OR

  • Tonight

    Tonight: Mostly cloudy, with a low around 44. West wind around 5 mph becoming light and variable after midnight.

    Low: 44 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 56. Light and variable wind becoming southwest 5 to 9 mph in the morning.

    High: 56 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 47. South southeast wind 6 to 8 mph.

    Low: 47 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of rain, mainly after 11am. Snow level 6600 feet lowering to 6000 feet. Mostly cloudy, with a high near 53. South southeast wind 6 to 8 mph becoming west southwest in the afternoon.

    High: 53 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Rain likely, mainly after 11pm. Snow level 6800 feet. Mostly cloudy, with a low around 44. West southwest wind 6 to 8 mph becoming east northeast after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Rain Likely

  • Monday

    Monday: Rain. Snow level 6000 feet. High near 46. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 46 °F

    Rain

  • Monday Night

    Monday Night: Rain. Snow level 6000 feet. Low around 42. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 42 °F

    Rain

  • Tuesday

    Tuesday: Rain before 11am, then showers and possibly a thunderstorm after 11am. Snow level 5400 feet. Cloudy, with a high near 46.

    High: 46 °F

    Showers

  • Tuesday Night

    Tuesday Night: Rain. Snow level 5400 feet lowering to 4900 feet after midnight . Cloudy, with a low around 42.

    Low: 42 °F

    Rain

Detailed Forecast

Tonight
Mostly cloudy, with a low around 44. West wind around 5 mph becoming light and variable after midnight.
Saturday
Mostly sunny, with a high near 56. Light and variable wind becoming southwest 5 to 9 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 47. South southeast wind 6 to 8 mph.
Sunday
A 30 percent chance of rain, mainly after 11am. Snow level 6600 feet lowering to 6000 feet. Mostly cloudy, with a high near 53. South southeast wind 6 to 8 mph becoming west southwest in the afternoon.
Sunday Night
Rain likely, mainly after 11pm. Snow level 6800 feet. Mostly cloudy, with a low around 44. West southwest wind 6 to 8 mph becoming east northeast after midnight. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain. Snow level 6000 feet. High near 46. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Rain. Snow level 6000 feet. Low around 42. 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 5400 feet. Cloudy, with a high near 46.
Tuesday Night
Rain. Snow level 5400 feet lowering to 4900 feet after midnight . Cloudy, with a low around 42.
Wednesday
Rain. Snow level 4900 feet. Mostly cloudy, with a high near 43.
Wednesday Night
Rain likely. Snow level 5100 feet lowering to 4400 feet after midnight . Mostly cloudy, with a low around 40.
Thursday
A chance of rain. Snow level rising to 5200 feet in the afternoon. Partly sunny, with a high near 48.
Thursday Night
A slight chance of rain. Snow level 5400 feet. Partly cloudy, with a low around 39.
Friday
A slight chance of rain. Snow level 5100 feet rising to 6000 feet in the afternoon. Mostly sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles WNW Illinois Valley OR
 42.18°N 123.98°W (Elev. 4344 ft)
Last Update:
4:41 pm PDT Apr 17, 2026
Forecast Valid:
6pm PDT Apr 17, 2026-6pm PDT Apr 24, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation