National Weather Service Forecast for: 12 Miles SSE Illinois Valley OR
Issued by: National Weather Service Eureka, CA
Updated: 1:10 am PST Feb 2, 2026
 
Overnight

Overnight: Mostly clear, with a low around 38. South wind around 5 mph.
Mostly Clear
 Monday

Monday: Mostly sunny, with a high near 56. East wind 5 to 8 mph becoming north in the afternoon.
Mostly Sunny
 Monday
Night
Monday Night: Mostly clear, with a low around 46. Southeast wind 7 to 9 mph.
Mostly Clear
 Tuesday

Tuesday: Sunny, with a high near 62. East southeast wind 3 to 8 mph.
Sunny
 Tuesday
Night
Tuesday Night: Mostly clear, with a low around 46. East southeast wind 6 to 8 mph.
Mostly Clear
 Wednesday

Wednesday: Sunny, with a high near 63. East southeast wind 5 to 9 mph.
Sunny
 Wednesday
Night
Wednesday Night: Clear, with a low around 43.
Clear
 Thursday

Thursday: Sunny, with a high near 62.
Sunny
 Thursday
Night
Thursday Night: Partly cloudy, with a low around 44.
Partly Cloudy
Lo 38 °F Hi 56 °F Lo 46 °F Hi 62 °F Lo 46 °F Hi 63 °F Lo 43 °F Hi 62 °F Lo 44 °F

 

Overnight
 
 Mostly clear, with a low around 38. South wind around 5 mph.
Monday
 
 Mostly sunny, with a high near 56. East wind 5 to 8 mph becoming north in the afternoon.
Monday Night
 
 Mostly clear, with a low around 46. Southeast wind 7 to 9 mph.
Tuesday
 
 Sunny, with a high near 62. East southeast wind 3 to 8 mph.
Tuesday Night
 
 Mostly clear, with a low around 46. East southeast wind 6 to 8 mph.
Wednesday
 
 Sunny, with a high near 63. East southeast wind 5 to 9 mph.
Wednesday Night
 
 Clear, with a low around 43.
Thursday
 
 Sunny, with a high near 62.
Thursday Night
 
 Partly cloudy, with a low around 44.
Friday
 
 Mostly sunny, with a high near 58.
Friday Night
 
 Partly cloudy, with a low around 44.
Saturday
 
 A chance of rain. Partly sunny, with a high near 57.
Saturday Night
 
 Rain likely. Mostly cloudy, with a low around 45.
Sunday
 
 Rain likely. Mostly cloudy, with a high near 52.

 

Forecast from NOAA-NWS for 12 Miles SSE Illinois Valley OR.