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

49°F

9°C

Humidity 99%
Wind Speed S 2 MPH
Barometer NA
Dewpoint 49°F (9°C)
Visibility NA
Last update 28 Feb 09:52 AM PST
Extended Forecast for

17 Miles SSE Agness OR

  • Today

    Today: Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm.  High near 57. East wind 5 to 8 mph becoming south 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: 57 °F

    Showers

  • Tonight

    Tonight: Showers likely and possibly a thunderstorm.  Cloudy, with a low around 47. South wind 3 to 6 mph.  Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 47 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers, with thunderstorms also possible after 1pm.  Steady temperature around 48. Southwest wind 5 to 7 mph.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 48 °F

    Showers

  • Sunday Night

    Sunday Night: Rain, mainly before 10pm.  Low around 46. Light and variable wind.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 46 °F

    Rain then
    Chance Rain

  • Monday

    Monday: A 50 percent chance of rain.  Partly sunny, with a high near 54. Light and variable wind becoming north northwest around 6 mph in the afternoon.

    High: 54 °F

    Chance Rain

  • Monday Night

    Monday Night: A 30 percent chance of rain, mainly before 10pm.  Mostly cloudy, with a low around 45.

    Low: 45 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely, mainly after 4pm.  Mostly cloudy, with a high near 51. Chance of precipitation is 60%.

    High: 51 °F

    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain.  Snow level 5400 feet. Cloudy, with a low around 45.

    Low: 45 °F

    Rain

  • Wednesday

    Wednesday: Rain.  Snow level 4500 feet. Cloudy, with a high near 47.

    High: 47 °F

    Rain

Detailed Forecast

Today
Showers and thunderstorms before 4pm, then showers likely and possibly a thunderstorm between 4pm and 5pm, then a chance of showers and thunderstorms after 5pm. High near 57. East wind 5 to 8 mph becoming south 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.
Tonight
Showers likely and possibly a thunderstorm. Cloudy, with a low around 47. South wind 3 to 6 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers, with thunderstorms also possible after 1pm. Steady temperature around 48. Southwest wind 5 to 7 mph. 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. Low around 46. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A 50 percent chance of rain. Partly sunny, with a high near 54. Light and variable wind becoming north northwest around 6 mph in the afternoon.
Monday Night
A 30 percent chance of rain, mainly before 10pm. Mostly cloudy, with a low around 45.
Tuesday
Rain likely, mainly after 4pm. Mostly cloudy, with a high near 51. Chance of precipitation is 60%.
Tuesday Night
Rain. Snow level 5400 feet. Cloudy, with a low around 45.
Wednesday
Rain. Snow level 4500 feet. Cloudy, with a high near 47.
Wednesday Night
Rain likely, mainly before 10pm. Snow level 3800 feet. Mostly cloudy, with a low around 41.
Thursday
A chance of rain. Snow level 3400 feet rising to 4200 feet in the afternoon. Partly sunny, with a high near 50.
Thursday Night
A chance of rain. Snow level 4400 feet. Mostly cloudy, with a low around 40.
Friday
A slight chance of rain. Snow level 4500 feet rising to 5600 feet in the afternoon. Mostly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles SSE Agness OR
 42.32°N 123.96°W (Elev. 2408 ft)
9:51 am PST Feb 28, 2026
10am PST Feb 28, 2026-6pm PST Mar 6, 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