Fire Weather Concerns; Record Warmth Spreads

The Plains to the mid-Mississippi Valley continue with warm and dry conditions. Any fires that initiate could spread quickly. The warm temperatures will expand across the Southern Plains into the Southwest where numerous records are expected through the weekend. Meanwhile, a cold front will move southward across the northern Plains and Great Lakes region where some snow will develop this weekend. 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 S 1 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 28 Feb 12:52 AM PST
Extended Forecast for

9 Miles WNW Illinois Valley OR

  • Overnight

    Overnight: A 30 percent chance of showers, mainly after 5am.  Mostly cloudy, with a low around 47. East wind 10 to 13 mph, with gusts as high as 20 mph.

    Low: 47 °F

    Chance
    Showers

  • Saturday

    Saturday: Showers and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then showers likely and possibly a thunderstorm after 4pm.  High near 53. South wind around 8 mph becoming east in the morning.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 53 °F

    Showers

  • Saturday Night

    Saturday Night: Showers before 10pm, then rain, mainly after 10pm.  Low around 45. South southwest wind around 6 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 45 °F

    Showers

  • Sunday

    Sunday: Rain before 10am, then showers between 10am and 1pm, then showers and possibly a thunderstorm after 1pm.  Snow level 6300 feet. High near 47. South wind 6 to 8 mph becoming west southwest in the afternoon.  Chance of precipitation is 90%. 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: Rain, mainly before 10pm.  Snow level 6000 feet. Low around 41. West southwest wind around 5 mph becoming light and variable  in the evening.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 41 °F

    Rain then
    Chance Rain

  • Monday

    Monday: A 40 percent chance of rain, mainly before 4pm.  Snow level 5900 feet. Mostly sunny, with a high near 54.

    High: 54 °F

    Chance Rain

  • Monday Night

    Monday Night: A 20 percent chance of rain before 10pm.  Snow level 6300 feet. Partly cloudy, with a low around 40.

    Low: 40 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Tuesday

    Tuesday: A chance of rain.  Snow level 6000 feet. Mostly cloudy, with a high near 50.

    High: 50 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly after 10pm.  Snow level 5300 feet. Cloudy, with a low around 42.

    Low: 42 °F

    Rain

Detailed Forecast

Overnight
A 30 percent chance of showers, mainly after 5am. Mostly cloudy, with a low around 47. East wind 10 to 13 mph, with gusts as high as 20 mph.
Saturday
Showers and possibly a thunderstorm before 3pm, then a chance of showers and thunderstorms between 3pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. High near 53. South wind around 8 mph becoming east in the morning. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday Night
Showers before 10pm, then rain, mainly after 10pm. Low around 45. South southwest wind around 6 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday
Rain before 10am, then showers between 10am and 1pm, then showers and possibly a thunderstorm after 1pm. Snow level 6300 feet. High near 47. South wind 6 to 8 mph becoming west southwest in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Rain, mainly before 10pm. Snow level 6000 feet. Low around 41. West southwest wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A 40 percent chance of rain, mainly before 4pm. Snow level 5900 feet. Mostly sunny, with a high near 54.
Monday Night
A 20 percent chance of rain before 10pm. Snow level 6300 feet. Partly cloudy, with a low around 40.
Tuesday
A chance of rain. Snow level 6000 feet. Mostly cloudy, with a high near 50.
Tuesday Night
Rain, mainly after 10pm. Snow level 5300 feet. Cloudy, with a low around 42.
Wednesday
Rain. Snow level 4500 feet. Mostly cloudy, with a high near 43.
Wednesday Night
Rain and snow likely. Snow level 3800 feet. Mostly cloudy, with a low around 37.
Thursday
A chance of rain and snow. Snow level 3500 feet rising to 4300 feet in the afternoon. Partly sunny, with a high near 48.
Thursday Night
A slight chance of rain and snow. Snow level 4400 feet. Partly cloudy, with a low around 37.
Friday
A slight chance of rain and snow. Snow level 4400 feet rising to 5100 feet in the afternoon. Partly sunny, with a high near 52.
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles WNW Illinois Valley OR
 42.15°N 123.85°W (Elev. 3356 ft)
12:41 am PST Feb 28, 2026
1am PST Feb 28, 2026-6pm PST Mar 6, 2026
 
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Additional Resources

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