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, 02:23am until February 19, 10:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory February 18, 02:23am until February 19, 10:00am

    NOW until 10:00am Thu

    Winter Weather Advisory

  • Overnight

    Low: 19 °F

    Chance Snow

  • Wednesday

    Wednesday: Snow likely, mainly before 3pm.  Increasing clouds, with a high near 33. Southwest wind 6 to 11 mph.  Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

    High: 33 °F

    Chance Snow
    then Snow
    Likely

  • Wednesday Night

    Wednesday Night: Snow, mainly after 9pm. The snow could be heavy at times.  Low around 26. South wind 9 to 16 mph, with gusts as high as 24 mph.  Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

    Low: 26 °F

    Heavy Snow

  • Thursday

    Thursday: Snow, mainly before 4pm.  High near 33. Light and variable wind becoming west northwest 5 to 8 mph in the afternoon.  Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    High: 33 °F

    Snow

  • Thursday Night

    Thursday Night: A 50 percent chance of snow, mainly before 10pm.  Mostly cloudy, with a low around 21. Northwest wind around 6 mph becoming calm  after midnight.  New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Chance Snow
    then Slight
    Chance Snow

  • Friday

    Friday: A 30 percent chance of snow.  Partly sunny, with a high near 37. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Chance Snow

  • Friday Night

    Friday Night: Snow likely, mainly after 4am.  Mostly cloudy, with a low around 28. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 28 °F

    Snow Likely

  • Saturday

    Saturday: Snow likely, mainly after 4pm.  Partly sunny, with a high near 41.

    High: 41 °F

    Snow Likely

Detailed Forecast

Overnight
A 30 percent chance of snow, mainly after 3am. Mostly cloudy, with a low around 19. West southwest wind around 6 mph. Total nighttime snow accumulation of less than one inch possible.
Wednesday
Snow likely, mainly before 3pm. Increasing clouds, with a high near 33. Southwest wind 6 to 11 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.
Wednesday Night
Snow, mainly after 9pm. The snow could be heavy at times. Low around 26. South wind 9 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.
Thursday
Snow, mainly before 4pm. High near 33. Light and variable wind becoming west northwest 5 to 8 mph in the afternoon. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Thursday Night
A 50 percent chance of snow, mainly before 10pm. Mostly cloudy, with a low around 21. Northwest wind around 6 mph becoming calm 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 37. New snow accumulation of less than a half inch possible.
Friday Night
Snow likely, mainly after 4am. Mostly cloudy, with a low around 28. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
Snow likely, mainly after 4pm. Partly sunny, with a high near 41.
Saturday Night
Snow. The snow could be heavy at times. Mostly cloudy, with a low around 34.
Sunday
Snow before 10am, then rain and snow. The snow could be heavy at times. Cloudy, with a high near 42.
Sunday Night
Rain and snow. The snow could be heavy at times. Cloudy, with a low around 37.
Monday
Rain and snow. The snow could be heavy at times. Cloudy, with a high near 42.
Monday Night
Rain and snow. The snow could be heavy at times. Cloudy, with a low around 36.
Tuesday
Snow. The snow could be heavy at times. Cloudy, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ESE Cave Junction OR
 42.12°N 123.36°W (Elev. 3658 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