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

34°F

1°C

Humidity 94%
Wind Speed SW 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 18 Feb 10:52 PM PST
Extended Forecast for

16 Miles SE Agness OR

Winter Weather Advisory February 18, 11:13pm until February 19, 10:00am
Winter Storm Warning February 18, 11:13pm until February 19, 10:00am
Click here for hazard details and duration
Winter Weather Advisory
Winter Storm Warning
  •  
    Winter Weather Advisory February 18, 11:13pm until February 19, 10:00am
    Winter Storm Warning February 18, 11:13pm until February 19, 10:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 31 °F

    Rain/Snow

  • Thursday

    Thursday: Rain and snow.  Snow level rising to 2100 feet in the afternoon. High near 42. West wind 3 to 8 mph.  Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    High: 42 °F

    Rain/Snow

  • Thursday Night

    Thursday Night: Rain likely before 7pm, then rain and snow likely between 7pm and 9pm, then snow likely after 9pm.  Mostly cloudy, with a low around 26. Calm wind.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 26 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Friday

    Friday: A chance of snow before 10am, then rain and snow likely between 10am and 1pm, then rain likely after 1pm.  Snow level rising to 2400 feet in the afternoon. Mostly cloudy, with a high near 44. South wind 5 to 7 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 44 °F

    Rain/Snow
    Likely

  • Friday Night

    Friday Night: Rain likely before 1am, then rain likely, possibly mixed with snow.  Snow level 2400 feet. Mostly cloudy, with a low around 35. Southeast wind 7 to 10 mph.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Saturday

    Saturday: Rain and snow likely, becoming all rain after 10am.  Snow level 2500 feet rising to 3700 feet in the afternoon. Mostly cloudy, with a high near 50. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 50 °F

    Rain/Snow
    Likely then
    Rain Likely

  • Saturday Night

    Saturday Night: Rain.  Snow level 3800 feet. Low around 38. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.

    Low: 38 °F

    Rain

  • Sunday

    Sunday: Rain.  Snow level 4100 feet. Cloudy, with a high near 47.

    High: 47 °F

    Rain

Detailed Forecast

Tonight
Snow, possibly mixed with rain, becoming all snow after 5am. The snow could be heavy at times. Snow level 1500 feet. Low around 31. Southeast wind 6 to 8 mph becoming west northwest after midnight. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.
Thursday
Rain and snow. Snow level rising to 2100 feet in the afternoon. High near 42. West wind 3 to 8 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday Night
Rain likely before 7pm, then rain and snow likely between 7pm and 9pm, then snow likely after 9pm. Mostly cloudy, with a low around 26. Calm wind. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday
A chance of snow before 10am, then rain and snow likely between 10am and 1pm, then rain likely after 1pm. Snow level rising to 2400 feet in the afternoon. Mostly cloudy, with a high near 44. South wind 5 to 7 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
Rain likely before 1am, then rain likely, possibly mixed with snow. Snow level 2400 feet. Mostly cloudy, with a low around 35. Southeast wind 7 to 10 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday
Rain and snow likely, becoming all rain after 10am. Snow level 2500 feet rising to 3700 feet in the afternoon. Mostly cloudy, with a high near 50. Chance of precipitation is 60%. Little or no snow accumulation expected.
Saturday Night
Rain. Snow level 3800 feet. Low around 38. Chance of precipitation is 80%. New precipitation amounts between three quarters and one inch possible.
Sunday
Rain. Snow level 4100 feet. Cloudy, with a high near 47.
Sunday Night
Rain. Cloudy, with a low around 41.
Monday
Rain. Snow level 4100 feet. Cloudy, with a high near 49.
Monday Night
Rain. Snow level 3700 feet. Cloudy, with a low around 40.
Tuesday
Rain. Snow level 3500 feet. Cloudy, with a high near 48.
Tuesday Night
Rain. Snow level 3400 feet. Cloudy, with a low around 40.
Wednesday
Rain. Snow level 3200 feet rising to 3800 feet in the afternoon. Mostly cloudy, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
16 Miles SE Agness OR
 42.38°N 123.82°W (Elev. 1316 ft)
10:17 pm PST Feb 18, 2026
11pm 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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