Tracking Areas of Fire Weather, Severe Weather, and Winter Weather

Gusty winds and dry conditions will continue to bring fire weather concerns to the southern Plains through Friday. Severe thunderstorms including a few tornadoes, large hail and damaging wind gusts are expected across parts of the Midwest and lower Ohio Valley today. A Pacific storm will bring low elevation rain and thunderstorms across southern California and heavy snow through the Sierra. Read More >

Hazardous Weather Conditions

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

43°F

6°C

Humidity 70%
Wind Speed NNE 5 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Wind Chill40°F (4°C)
Last update 19 Feb 03:52 PM PST
Extended Forecast for

17 Miles SSE Agness OR

  • This Afternoon

    This Afternoon: A 40 percent chance of snow showers.  Partly sunny, with a high near 37. North northwest wind around 7 mph.  Total daytime snow accumulation of less than a half inch possible.

    High: 37 °F

    Chance Snow
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 24. North wind around 6 mph becoming light and variable  after midnight.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow showers before 2pm, then rain and snow showers likely.  Partly sunny, with a high near 38. South southwest wind 5 to 9 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 38 °F

    Slight Chance
    Snow Showers
    then
    Rain/Snow
    Likely

  • Friday Night

    Friday Night: Rain, possibly mixed with snow showers.  Snow level 2500 feet. Low around 35. South wind 13 to 18 mph, with gusts as high as 22 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 35 °F

    Rain/Snow

  • Saturday

    Saturday: Rain likely, possibly mixed with snow showers, becoming all rain after 1pm.  Snow level 3500 feet rising to 4500 feet in the afternoon. Mostly cloudy, with a high near 44. Southeast wind 16 to 20 mph, with gusts as high as 29 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 44 °F

    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: Showers.  Snow level 4800 feet. Low around 41. Breezy.  Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    Low: 41 °F

    Showers and
    Breezy

  • Sunday

    Sunday: Showers.  Snow level 4700 feet rising to 5300 feet in the afternoon. High near 48. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    High: 48 °F

    Showers

  • Sunday Night

    Sunday Night: Showers, with thunderstorms also possible after 10pm.  Cloudy, with a low around 44.

    Low: 44 °F

    Showers

  • Monday

    Monday: Showers. The rain could be heavy at times.  Cloudy, with a high near 48.

    High: 48 °F

    Heavy Rain

Detailed Forecast

This Afternoon
A 40 percent chance of snow showers. Partly sunny, with a high near 37. North northwest wind around 7 mph. Total daytime snow accumulation of less than a half inch possible.
Tonight
Partly cloudy, with a low around 24. North wind around 6 mph becoming light and variable after midnight.
Friday
A chance of snow showers before 2pm, then rain and snow showers likely. Partly sunny, with a high near 38. South southwest wind 5 to 9 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Friday Night
Rain, possibly mixed with snow showers. Snow level 2500 feet. Low around 35. South wind 13 to 18 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Saturday
Rain likely, possibly mixed with snow showers, becoming all rain after 1pm. Snow level 3500 feet rising to 4500 feet in the afternoon. Mostly cloudy, with a high near 44. Southeast wind 16 to 20 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Saturday Night
Showers. Snow level 4800 feet. Low around 41. Breezy. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Sunday
Showers. Snow level 4700 feet rising to 5300 feet in the afternoon. High near 48. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Sunday Night
Showers, with thunderstorms also possible after 10pm. Cloudy, with a low around 44.
Monday
Showers. The rain could be heavy at times. Cloudy, with a high near 48.
Monday Night
Showers. The rain could be heavy at times. Cloudy, with a low around 45.
Tuesday
Showers. Snow level 4700 feet. Mostly cloudy, with a high near 46.
Tuesday Night
Rain and snow showers likely. Snow level 3800 feet. Mostly cloudy, with a low around 38.
Wednesday
Rain and snow showers likely. Snow level 3400 feet rising to 4300 feet in the afternoon. Mostly cloudy, with a high near 50.
Wednesday Night
Showers likely. Snow level 4100 feet. Mostly cloudy, with a low around 40.
Thursday
Showers likely. Snow level 4300 feet. Mostly cloudy, with a high near 49.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles SSE Agness OR
 42.32°N 123.96°W (Elev. 2408 ft)
3:42 pm PST Feb 19, 2026
4pm PST Feb 19, 2026-6pm PST Feb 26, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database