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

Flooding Risks from Tropical Moisture Across the Intermountain West and East Coast

Tropical moisture from Isaias and Rachel will impact portions of the Intermountain West and East Coast states. Flooding, gusty winds and even a threat for severe thunderstorms and tornadoes are possible. Meanwhile, record warmth will spread northward across the Mississippi Valley the next few days. Looking for snow, the first winter storm of the season is underway across the northern Rockies. Read More >

Hazardous Weather Conditions

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

41°F

5°C

Humidity 84%
Wind Speed NE 3 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 11 Oct 06:52 AM PDT
Extended Forecast for

2 Miles SW Illinois Valley OR

Frost Advisory October 11, 07:01am until October 11, 08:00am
Freeze Warning October 12, 02:00am until October 12, 09:00am
Click here for hazard details and duration
...
Freeze Warning
  •  
    Frost Advisory October 11, 07:01am until October 11, 08:00am

    NOW until 8:00am Sun

    Frost Advisory

  • Today

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Widespread frost, mainly after 5am. Otherwise, clear, with a low around 30. North northeast wind 6 to 15 mph, with gusts as high as 23 mph.

    Low: 30 °F

    Clear then
    Frost

  • Columbus Day

    Columbus Day: Widespread frost before 9am. Otherwise, sunny, with a high near 68. North northeast wind 5 to 8 mph.

    High: 68 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 31. North northeast wind 5 to 7 mph becoming calm after midnight.

    Low: 31 °F

    Clear

  • Tuesday

    Tuesday: Areas of frost before 9am. Otherwise, sunny, with a high near 74. Calm wind.

    High: 74 °F

    Areas Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 40.

    Low: 40 °F

    Clear

Detailed Forecast

Today
Sunny, with a high near 65. North northeast wind 9 to 15 mph, with gusts as high as 23 mph.
Tonight
Widespread frost, mainly after 5am. Otherwise, clear, with a low around 30. North northeast wind 6 to 15 mph, with gusts as high as 23 mph.
Columbus Day
Widespread frost before 9am. Otherwise, sunny, with a high near 68. North northeast wind 5 to 8 mph.
Monday Night
Clear, with a low around 31. North northeast wind 5 to 7 mph becoming calm after midnight.
Tuesday
Areas of frost before 9am. Otherwise, sunny, with a high near 74. Calm wind.
Tuesday Night
Mostly clear, with a low around 37.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Clear, with a low around 40.
Thursday
Sunny, with a high near 86.
Thursday Night
Clear, with a low around 45.
Friday
Sunny, with a high near 87.
Friday Night
Mostly clear, with a low around 42.
Saturday
Sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Illinois Valley OR
 42.09°N 123.71°W (Elev. 1591 ft)
Last Update:
4:40 am PDT Oct 11, 2026
Forecast Valid:
7am PDT Oct 11, 2026-6pm PDT Oct 17, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation