National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 >

Hazardous Weather Conditions

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

32°F

0°C

Humidity 98%
Wind Speed ESE 0 MPH
Barometer NA
Dewpoint 32°F (0°C)
Visibility NA
Last update 19 Feb 01:52 AM PST
Extended Forecast for

7 Miles SW Illinois Valley OR

Winter Weather Advisory February 19, 02:40am until February 19, 10:00am
Winter Storm Warning February 19, 02:40am until February 19, 10:00am
Click here for hazard details and duration
Winter Weather Advisory
Winter Storm Warning
  •  
    Winter Weather Advisory February 19, 02:40am until February 19, 10:00am
    Winter Storm Warning February 19, 02:40am until February 19, 10:00am

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Overnight

    Low: 27 °F

    Heavy Snow

  • Thursday

    Thursday: A slight chance of snow before 7am, then a chance of snow after 10am. Partly sunny, with a high near 37. South southwest wind 5 to 7 mph becoming north northeast in the morning. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.

    High: 37 °F

    Chance Snow

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 20. West northwest wind 3 to 5 mph.

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: A chance of snow before 1pm, then a chance of rain and snow. Partly sunny, with a high near 39. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 39 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Friday Night

    Friday Night: A chance of rain and snow before 10pm, then a chance of snow. Mostly cloudy, with a low around 30. South southeast wind around 9 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    Low: 30 °F

    Chance
    Rain/Snow
    then Chance
    Snow

  • Saturday

    Saturday: A chance of rain and snow before 1pm, then a chance of rain. Snow level 2600 feet rising to 4000 feet in the afternoon. Mostly cloudy, with a high near 46. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 46 °F

    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Rain, mainly after 10pm. The rain could be heavy at times. Snow level 4400 feet. Low around 35. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 35 °F

    Heavy Rain

  • Sunday

    Sunday: Rain. The rain could be heavy at times. Snow level 5100 feet. Cloudy, with a high near 43.

    High: 43 °F

    Heavy Rain

Detailed Forecast

Overnight
Snow, mainly before 5am. The snow could be heavy at times. Low around 27. West southwest wind 3 to 5 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 3 to 7 inches possible.
Thursday
A slight chance of snow before 7am, then a chance of snow after 10am. Partly sunny, with a high near 37. South southwest wind 5 to 7 mph becoming north northeast in the morning. Chance of precipitation is 50%. New snow accumulation of less than one inch possible.
Thursday Night
Partly cloudy, with a low around 20. West northwest wind 3 to 5 mph.
Friday
A chance of snow before 1pm, then a chance of rain and snow. Partly sunny, with a high near 39. Calm wind becoming south 5 to 8 mph in the morning. Chance of precipitation is 40%. Little or no snow accumulation expected.
Friday Night
A chance of rain and snow before 10pm, then a chance of snow. Mostly cloudy, with a low around 30. South southeast wind around 9 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Saturday
A chance of rain and snow before 1pm, then a chance of rain. Snow level 2600 feet rising to 4000 feet in the afternoon. Mostly cloudy, with a high near 46. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Saturday Night
Rain, mainly after 10pm. The rain could be heavy at times. Snow level 4400 feet. Low around 35. Chance of precipitation is 80%. New precipitation amounts between a half and three quarters of an inch possible.
Sunday
Rain. The rain could be heavy at times. Snow level 5100 feet. Cloudy, with a high near 43.
Sunday Night
Rain. The rain could be heavy at times. Cloudy, with a low around 40.
Monday
Rain. The rain could be heavy at times. Cloudy, with a high near 45.
Monday Night
Rain. Snow level 5600 feet. Cloudy, with a low around 38.
Tuesday
Rain. Snow level 4600 feet. Mostly cloudy, with a high near 46.
Tuesday Night
Rain likely. Snow level 3900 feet. Mostly cloudy, with a low around 36.
Wednesday
Rain likely. Snow level 3700 feet. Mostly cloudy, with a high near 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles SW Illinois Valley OR
 42.03°N 123.78°W (Elev. 2428 ft)
Last Update:
2:23 am PST Feb 19, 2026
Forecast Valid:
2am PST Feb 19, 2026-6pm PST Feb 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation