Fire Weather Concerns for the Plains; Thunderstorms in the Southeast; Record Warmth Spreads in the Southwest

Elevated to locally critical conditions will persist across the High Plains. Showers and scattered thunderstorms are expected over parts of the Southeast and Florida Peninsula. Clipper system will bring modest snowfall and strong winds from the Northern High Plains into the Upper Midwest this weekend. Record warmth will persist across the Southwest into the southern Plains. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

43°F

6°C

Humidity 99%
Wind Speed W 0 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 27 Feb 01:52 AM PST
Extended Forecast for

9 Miles WNW Illinois Valley OR

  • Overnight

    Overnight: Mostly cloudy, with a low around 41. South southeast wind around 6 mph.

    Low: 41 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 58. East wind 3 to 7 mph.

    High: 58 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Rain likely, mainly after 4am.  Increasing clouds, with a low around 46. East northeast wind 11 to 13 mph.  Chance of precipitation is 60%.

    Low: 46 °F

    Mostly Cloudy
    then Rain
    Likely

  • Saturday

    Saturday: Rain, mainly before 1pm, then showers after 1pm.  High near 52. East wind 6 to 8 mph becoming south southwest in the afternoon.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 52 °F

    Rain

  • Saturday Night

    Saturday Night: Showers.  Low around 45. South southwest wind around 6 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Showers

  • Sunday

    Sunday: Showers and possibly a thunderstorm.  Snow level 6300 feet. High near 47. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 47 °F

    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly before 10pm.  Snow level 6000 feet. Mostly cloudy, with a low around 43. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Showers
    Likely then
    Chance
    Showers

  • Monday

    Monday: A chance of showers, mainly before 4pm.  Snow level 6100 feet. Partly sunny, with a high near 54.

    High: 54 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers before 10pm.  Snow level 6400 feet. Partly cloudy, with a low around 40.

    Low: 40 °F

    Slight Chance
    Showers then
    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 41. South southeast wind around 6 mph.
Friday
Mostly sunny, with a high near 58. East wind 3 to 7 mph.
Friday Night
Rain likely, mainly after 4am. Increasing clouds, with a low around 46. East northeast wind 11 to 13 mph. Chance of precipitation is 60%.
Saturday
Rain, mainly before 1pm, then showers after 1pm. High near 52. East wind 6 to 8 mph becoming south southwest in the afternoon. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday Night
Showers. Low around 45. South southwest wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Showers and possibly a thunderstorm. Snow level 6300 feet. High near 47. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers likely, mainly before 10pm. Snow level 6000 feet. Mostly cloudy, with a low around 43. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A chance of showers, mainly before 4pm. Snow level 6100 feet. Partly sunny, with a high near 54.
Monday Night
A slight chance of showers before 10pm. Snow level 6400 feet. Partly cloudy, with a low around 40.
Tuesday
A chance of rain, mainly after 4pm. Snow level 6000 feet. Partly sunny, with a high near 51.
Tuesday Night
Rain. Snow level 5200 feet. Mostly cloudy, with a low around 42.
Wednesday
Rain. Snow level 4600 feet. Mostly cloudy, with a high near 45.
Wednesday Night
Rain and snow likely. Snow level 4000 feet. Mostly cloudy, with a low around 37.
Thursday
A chance of rain and snow. Snow level 3500 feet rising to 4400 feet in the afternoon. Mostly sunny, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WNW Illinois Valley OR
 42.15°N 123.85°W (Elev. 3356 ft)
10:52 pm PST Feb 26, 2026
2am PST Feb 27, 2026-6pm PST Mar 5, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database