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

Continuation of gusty winds and low relative humidity will bring additional periods of critical fire weather to the southern Plains Thursday and Friday. Another Pacific storm will continue gusty winds and heavy snow over the western mountains into Thursday. Severe thunderstorms are possible across parts of the middle Mississippi into lower Ohio Valleys Thursday afternoon into early evening. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

35°F

2°C

Humidity 91%
Wind Speed S 2 MPH
Barometer NA
Dewpoint 33°F (1°C)
Visibility NA
Last update 18 Feb 09:52 PM PST
Extended Forecast for

17 Miles SSE Agness OR

Winter Weather Advisory February 18, 10:14pm until February 19, 10:00am
Winter Storm Warning February 18, 10:14pm until February 19, 10:00am
Click here for hazard details and duration
Winter Weather Advisory
Winter Storm Warning
  •  
    Winter Weather Advisory February 18, 10:14pm until February 19, 10:00am
    Winter Storm Warning February 18, 10:14pm until February 19, 10:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 29 °F

    Heavy Snow

  • Thursday

    Thursday: Snow.  High near 35. Light and variable wind becoming northwest 5 to 9 mph in the morning.  Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

    High: 35 °F

    Snow

  • Thursday Night

    Thursday Night: Snow likely, mainly before 10pm.  Mostly cloudy, with a low around 25. North wind around 5 mph becoming light and variable  in the evening.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Snow Likely

  • Friday

    Friday: Snow likely before 1pm, then snow likely, possibly mixed with rain.  Mostly cloudy, with a high near 37. South wind 7 to 10 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Snow Likely
    then
    Rain/Snow
    Likely

  • Friday Night

    Friday Night: Rain and snow likely.  Snow level 2500 feet. Mostly cloudy, with a low around 35. South southeast wind 13 to 16 mph, with gusts as high as 24 mph.  Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 35 °F

    Rain/Snow
    Likely

  • Saturday

    Saturday: Rain likely, possibly mixed with snow, becoming all rain after 1pm.  Snow level 2800 feet rising to 3800 feet in the afternoon. Mostly cloudy, with a high near 44. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Rain/Snow
    Likely

  • Saturday Night

    Saturday Night: Rain likely before 10pm, then rain, possibly mixed with snow.  Snow level 4200 feet. Low around 38. Breezy.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 38 °F

    Rain/Snow and
    Breezy

  • Sunday

    Sunday: Rain, possibly mixed with snow, becoming all rain after 1pm.  Snow level 4200 feet. Cloudy, with a high near 43.

    High: 43 °F

    Rain/Snow

Detailed Forecast

Tonight
Snow, mainly after 4am. The snow could be heavy at times. Low around 29. South wind 6 to 11 mph becoming light after midnight. Chance of precipitation is 100%. Total nighttime snow accumulation of 6 to 10 inches possible.
Thursday
Snow. High near 35. Light and variable wind becoming northwest 5 to 9 mph in the morning. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
Thursday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 25. North wind around 5 mph becoming light and variable in the evening. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday
Snow likely before 1pm, then snow likely, possibly mixed with rain. Mostly cloudy, with a high near 37. South wind 7 to 10 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday Night
Rain and snow likely. Snow level 2500 feet. Mostly cloudy, with a low around 35. South southeast wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Saturday
Rain likely, possibly mixed with snow, becoming all rain after 1pm. Snow level 2800 feet rising to 3800 feet in the afternoon. Mostly cloudy, with a high near 44. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday Night
Rain likely before 10pm, then rain, possibly mixed with snow. Snow level 4200 feet. Low around 38. Breezy. Chance of precipitation is 80%. Little or no snow accumulation expected.
Sunday
Rain, possibly mixed with snow, becoming all rain after 1pm. Snow level 4200 feet. Cloudy, with a high near 43.
Sunday Night
Rain before 1am, then rain, possibly mixed with snow. Snow level 4700 feet. Cloudy, with a low around 41.
Monday
Rain, possibly mixed with snow. Snow level 4100 feet. Cloudy, with a high near 43.
Monday Night
Rain, possibly mixed with snow. Snow level 3800 feet. Cloudy, with a low around 40.
Tuesday
Rain, possibly mixed with snow. Snow level 3600 feet. Cloudy, with a high near 43.
Tuesday Night
Rain, possibly mixed with snow. Snow level 3500 feet. Cloudy, with a low around 39.
Wednesday
Rain, possibly mixed with snow. Snow level 3600 feet. Cloudy, with a high near 45.
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ABOUT THIS FORECAST

 
Point Forecast:
17 Miles SSE Agness OR
 42.32°N 123.96°W (Elev. 2408 ft)
9:41 pm PST Feb 18, 2026
10pm PST Feb 18, 2026-6pm PST Feb 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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