Thunderstorms and Heavy Rain in the Mid-South; Heat Continues in the Southeast and Southwest

Severe thunderstorms and heavy rain are expected across portions of the mid-Mississippi Valley into the Ohio Valley and portions of Arizona. Dangerous heat persists in the South and Southeast while building into the Southwest. Overnight lows will be so warm that, when combined with oppressive dew points, little-to-no relief from the scorching daytime highs will be available. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10386° N Lon: 123.68519° W Elev: 1389.0 ft.

NA

60°F

16°C

Humidity 63%
Wind Speed S 1 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 19 Aug 01:52 AM PDT
Detailed forecast for

Eastern Curry County and Josephine County

Tonight
Mostly clear until well after midnight then becoming partly cloudy. Lows in the mid 50s to lower 60s. North winds 10 to 15 mph.
Wednesday
Partly cloudy in the morning then becoming sunny. Highs in the lower 80s to lower 90s. Northeast winds 5 to 10 mph shifting to the northwest late in the afternoon.
Wednesday Night
Mostly clear. Lows in the mid 50s to lower 60s. North winds 5 to 10 mph.
Thursday
Sunny. Highs in the lower 80s to lower 90s. Northeast winds around 5 mph early in the morning becoming light, then becoming northwest around 5 mph in the afternoon.
Thursday Night
Partly cloudy. Lows in the mid 50s to lower 60s. West winds 5 to 10 mph until well after midnight becoming light.
Friday
Partly cloudy in the morning then clearing. Highs in the mid 70s to mid 80s.
Friday Night And Saturday
Mostly clear. Lows in the lower to mid 50s. Highs in the mid 70s to mid 80s.
Saturday Night
Clear. Lows in the lower to mid 50s.
Sunday Through Monday Night
Mostly clear. Highs in the lower 80s to lower 90s. Lows in the lower 50s to lower 60s.
Tuesday
Partly cloudy in the morning then becoming sunny. Highs in the mid 70s to mid 80s.



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239 PM PDT Tue Aug 18 2026
 
 

Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database