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 NNW 0 MPH
Barometer NA
Dewpoint 43°F (6°C)
Visibility NA
Last update 28 Feb 01:52 AM PST
Extended Forecast for

17 Miles WNW Illinois Valley OR

  • Overnight

    Overnight: A 30 percent chance of showers after 5am.  Cloudy, with a low around 50. East southeast wind around 14 mph.

    Low: 50 °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.  Steady temperature around 51. Southwest wind 7 to 9 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 51 °F

    Showers

  • Saturday Night

    Saturday Night: Showers before 2am, then rain, mainly after 2am.  Low around 43. South southwest wind around 7 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Showers

  • Sunday

    Sunday: Rain before 10am, then showers between 10am and 1pm, then showers and possibly a thunderstorm after 1pm.  Snow level 6800 feet lowering to 5900 feet in the afternoon . High near 47. Southwest wind 6 to 9 mph.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 47 °F

    Showers

  • Sunday Night

    Sunday Night: Rain, mainly before 10pm.  Snow level 5800 feet. Low around 43. West southwest wind around 6 mph becoming northwest after midnight.  Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 43 °F

    Rain then
    Chance Rain

  • Monday

    Monday: A 50 percent chance of rain.  Snow level 5900 feet. Partly sunny, with a high near 49.

    High: 49 °F

    Chance Rain

  • Monday Night

    Monday Night: A 30 percent chance of rain, mainly before 10pm.  Snow level 6400 feet. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely, mainly after 4pm.  Snow level 5800 feet. Mostly cloudy, with a high near 45.

    High: 45 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain.  Snow level 5400 feet. Cloudy, with a low around 42.

    Low: 42 °F

    Rain

Detailed Forecast

Overnight
A 30 percent chance of showers after 5am. Cloudy, with a low around 50. East southeast wind around 14 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. Steady temperature around 51. Southwest wind 7 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
Showers before 2am, then rain, mainly after 2am. Low around 43. South southwest wind around 7 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 6800 feet lowering to 5900 feet in the afternoon . High near 47. Southwest wind 6 to 9 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
Rain, mainly before 10pm. Snow level 5800 feet. Low around 43. West southwest wind around 6 mph becoming northwest after midnight. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Monday
A 50 percent chance of rain. Snow level 5900 feet. Partly sunny, with a high near 49.
Monday Night
A 30 percent chance of rain, mainly before 10pm. Snow level 6400 feet. Mostly cloudy, with a low around 43.
Tuesday
Rain likely, mainly after 4pm. Snow level 5800 feet. Mostly cloudy, with a high near 45.
Tuesday Night
Rain. Snow level 5400 feet. Cloudy, with a low around 42.
Wednesday
Rain, possibly mixed with snow, becoming all snow after 1pm. Snow level 4500 feet. Cloudy, with a high near 43.
Wednesday Night
Snow likely. Mostly cloudy, with a low around 38.
Thursday
A chance of snow. Partly sunny, with a high near 46.
Thursday Night
A slight chance of rain and snow. Snow level 4400 feet. Partly cloudy, with a low around 38.
Friday
A slight chance of rain and snow. Snow level 4600 feet rising to 5600 feet in the afternoon. Mostly sunny, with a high near 51.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
17 Miles WNW Illinois Valley OR
 42.18°N 123.98°W (Elev. 4344 ft)
2:21 am PST Feb 28, 2026
2am PST Feb 28, 2026-6pm PST Mar 6, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database