Critical Fire Weather in the High Plains; Heavy Snow in the Western Mountains and Northern Plains

Gusty winds and low relative humidity will bring critical fire weather to the central and southern High Plains Wednesday. Two Pacific storms will continue impacting the mountains of the western U.S. into Thursday with gusty winds and heavy snow. Heavy snow and gusty winds will continue to impact the northern Plains into the central Great Lakes Wednesday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

29°F

-2°C

Humidity 98%
Wind Speed ENE 0 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Last update 18 Feb 01:52 AM PST
Extended Forecast for

15 Miles ESE Cave Junction OR

Winter Weather Advisory February 18, 02:24am until February 19, 10:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory February 18, 02:24am until February 19, 10:00am

    NOW until 10:00am Thu

    Winter Weather Advisory

  • Overnight

    Low: 16 °F

    Chance Snow

  • Wednesday

    Wednesday: Snow likely, mainly before 3pm.  Mostly cloudy, with a high near 29. Southwest wind 6 to 11 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

    High: 29 °F

    Chance Snow
    then Snow
    Likely

  • Wednesday Night

    Wednesday Night: Snow, mainly after 9pm. The snow could be heavy at times.  Low around 23. South wind 10 to 17 mph, with gusts as high as 26 mph.  Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.

    Low: 23 °F

    Heavy Snow

  • Thursday

    Thursday: Snow.  High near 30. Southwest wind 5 to 9 mph becoming northwest in the morning.  Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 30 °F

    Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow.  Mostly cloudy, with a low around 18. Northwest wind 5 to 8 mph becoming light and variable  after midnight.  New snow accumulation of less than a half inch possible.

    Low: 18 °F

    Chance Snow

  • Friday

    Friday: A 30 percent chance of snow.  Partly sunny, with a high near 33. New snow accumulation of less than a half inch possible.

    High: 33 °F

    Chance Snow

  • Friday Night

    Friday Night: Snow likely, mainly after 4am.  Mostly cloudy, with a low around 25. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Low: 25 °F

    Snow Likely

  • Saturday

    Saturday: Snow likely, mainly after 4pm.  Mostly cloudy, with a high near 37.

    High: 37 °F

    Snow Likely

Detailed Forecast

Overnight
A 30 percent chance of snow, mainly after 3am. Mostly cloudy, with a low around 16. West wind around 8 mph. Total nighttime snow accumulation of around an inch possible.
Wednesday
Snow likely, mainly before 3pm. Mostly cloudy, with a high near 29. Southwest wind 6 to 11 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.
Wednesday Night
Snow, mainly after 9pm. The snow could be heavy at times. Low around 23. South wind 10 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
Thursday
Snow. High near 30. Southwest wind 5 to 9 mph becoming northwest in the morning. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 18. Northwest wind 5 to 8 mph becoming light and variable after midnight. New snow accumulation of less than a half inch possible.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 33. New snow accumulation of less than a half inch possible.
Friday Night
Snow likely, mainly after 4am. Mostly cloudy, with a low around 25. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.
Saturday
Snow likely, mainly after 4pm. Mostly cloudy, with a high near 37.
Saturday Night
Snow. Mostly cloudy, with a low around 31. Breezy.
Sunday
Snow. The snow could be heavy at times. Cloudy, with a high near 38.
Sunday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 33.
Monday
Snow. The snow could be heavy at times. Cloudy, with a high near 37. Breezy.
Monday Night
Snow. The snow could be heavy at times. Cloudy, with a low around 33.
Tuesday
Snow. The snow could be heavy at times. Cloudy, with a high near 38.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ESE Cave Junction OR
 42.07°N 123.38°W (Elev. 4656 ft)
2:07 am PST Feb 18, 2026
2am PST Feb 18, 2026-6pm PST Feb 24, 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