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

Severe Weather Across the Center of the Nation; Fire Weather Concerns for Southwest and California; Snow for the Central Rockies

Severe thunderstorms will continue to impact the center of the Nation through today. Very large hail, strong tornadoes, and damaging winds are expected from the Great Lakes into the central/southern Plains; Flash flooding is possible for portions into the mid-Mississippi Valley. Critical fire weather conditions for the Southwest and central valley of California today. Winter hangs on for Rockies. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

70°F

21°C

Humidity 26%
Wind Speed NNE 10 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 18 May 12:52 PM PDT
Extended Forecast for

13 Miles ESE Illinois Valley OR

  • This Afternoon

    This Afternoon: Sunny, with a high near 55. North wind 11 to 15 mph, with gusts as high as 22 mph.

    High: 55 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 38. North wind 15 to 20 mph becoming east 9 to 14 mph after midnight. Winds could gust as high as 30 mph.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 59. East wind 9 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph.

    High: 59 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43. Northeast wind 9 to 16 mph, with gusts as high as 25 mph.

    Low: 43 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 60. North wind 10 to 14 mph, with gusts as high as 21 mph.

    High: 60 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 65.

    High: 65 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 55. North wind 11 to 15 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 38. North wind 15 to 20 mph becoming east 9 to 14 mph after midnight. Winds could gust as high as 30 mph.
Tuesday
Sunny, with a high near 59. East wind 9 to 14 mph becoming north northwest in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 43. Northeast wind 9 to 16 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 60. North wind 10 to 14 mph, with gusts as high as 21 mph.
Wednesday Night
Mostly clear, with a low around 45.
Thursday
Sunny, with a high near 66.
Thursday Night
Mostly clear, with a low around 48.
Friday
Sunny, with a high near 65.
Friday Night
Clear, with a low around 50.
Saturday
Sunny, with a high near 65.
Saturday Night
Mostly clear, with a low around 49.
Sunday
Sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
13 Miles ESE Illinois Valley OR
 42.02°N 123.45°W (Elev. 5144 ft)
Last Update:
12:41 pm PDT May 18, 2026
Forecast Valid:
1pm PDT May 18, 2026-6pm PDT May 24, 2026
 
Forecast Discussion
 
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