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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

51°F

11°C

Humidity 60%
Wind Speed NNE 10 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 11 Oct 09:52 AM PDT
Extended Forecast for

2 Miles WNW Happy Camp CA

Freeze Warning October 12, 02:00am until October 12, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Today

    Today: Sunny, with a high near 64. North wind 9 to 15 mph, with gusts as high as 23 mph.

    High: 64 °F

    Sunny

  • Tonight

    Tonight: Areas of frost after 3am. Otherwise, clear, with a low around 28. North wind 6 to 15 mph, with gusts as high as 23 mph.

    Low: 28 °F

    Clear then
    Areas Frost

  • Columbus Day

    Columbus Day: Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 68. Northeast wind 3 to 8 mph.

    High: 68 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 29. Northeast wind around 7 mph.

    Low: 29 °F

    Clear

  • Tuesday

    Tuesday: Areas of frost before 9am. Otherwise, sunny, with a high near 76. East northeast wind around 5 mph becoming calm in the morning.

    High: 76 °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 80.

    High: 80 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Clear, with a low around 40.

    Low: 40 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 85.

    High: 85 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 64. North wind 9 to 15 mph, with gusts as high as 23 mph.
Tonight
Areas of frost after 3am. Otherwise, clear, with a low around 28. North wind 6 to 15 mph, with gusts as high as 23 mph.
Columbus Day
Widespread frost, mainly before 9am. Otherwise, sunny, with a high near 68. Northeast wind 3 to 8 mph.
Monday Night
Clear, with a low around 29. Northeast wind around 7 mph.
Tuesday
Areas of frost before 9am. Otherwise, sunny, with a high near 76. East northeast wind around 5 mph becoming calm in the morning.
Tuesday Night
Mostly clear, with a low around 37.
Wednesday
Sunny, with a high near 80.
Wednesday Night
Clear, with a low around 40.
Thursday
Sunny, with a high near 85.
Thursday Night
Clear, with a low around 42.
Friday
Sunny, with a high near 87.
Friday Night
Clear, with a low around 42.
Saturday
Sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Happy Camp CA
 41.83°N 123.39°W (Elev. 1801 ft)
Last Update:
4:40 am PDT Oct 11, 2026
Forecast Valid:
10am 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

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Chance of Precipitation