Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring elevated to critical fire weather conditions to the southern High Plains through the weekend. A winter storm will track across the Great Lakes and Northeast U.S. into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Hazardous Weather Conditions

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

37°F

3°C

Humidity 97%
Wind Speed NNW 0 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 21 Feb 03:52 AM PST
Extended Forecast for

15 Miles ESE Cave Junction OR

  • Overnight

    Overnight: A 30 percent chance of snow.  Mostly cloudy, with a steady temperature around 32. Breezy, with a south wind around 23 mph, with gusts as high as 31 mph.  Total nighttime snow accumulation of less than a half inch possible.

    Low: 32 °F

    Chance Snow
    and Breezy

  • Saturday

    Saturday: A slight chance of rain and snow before 4pm, then a slight chance of rain between 4pm and 5pm, then a slight chance of rain and snow after 5pm.  Snow level rising to 4400 feet in the afternoon. Partly sunny, with a high near 42. Breezy, with a south wind 22 to 24 mph.  Chance of precipitation is 20%.

    High: 42 °F

    Breezy.
    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Rain and snow likely, mainly after 2am.  Snow level 4300 feet rising to 4900 feet after midnight. Increasing clouds, with a low around 37. Breezy, with a south southeast wind around 24 mph, with gusts as high as 30 mph.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 37 °F

    Breezy.
    Slight Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Sunday

    Sunday: Rain before 8am, then rain, possibly mixed with snow between 8am and 9am, then rain after 9am.  Snow level 5300 feet rising to 6000 feet in the afternoon. High near 45. South wind around 21 mph, with gusts as high as 25 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 45 °F

    Rain/Snow
    then Rain

  • Sunday Night

    Sunday Night: Rain.  Snow level 6400 feet. Low around 43. South wind 16 to 18 mph, with gusts as high as 24 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 43 °F

    Rain

  • Monday

    Monday: Rain.  Snow level 6600 feet rising to 7200 feet in the afternoon. High near 50. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Rain

  • Monday Night

    Monday Night: Rain.  Low around 45. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

    Low: 45 °F

    Rain

  • Tuesday

    Tuesday: Rain.  Snow level 6900 feet lowering to 6000 feet in the afternoon . Mostly cloudy, with a high near 47.

    High: 47 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely before 10pm, then a chance of rain and snow.  Snow level 5200 feet lowering to 4300 feet after midnight . Mostly cloudy, with a low around 39.

    Low: 39 °F

    Rain/Snow
    Likely

Detailed Forecast

Overnight
A 30 percent chance of snow. Mostly cloudy, with a steady temperature around 32. Breezy, with a south wind around 23 mph, with gusts as high as 31 mph. Total nighttime snow accumulation of less than a half inch possible.
Saturday
A slight chance of rain and snow before 4pm, then a slight chance of rain between 4pm and 5pm, then a slight chance of rain and snow after 5pm. Snow level rising to 4400 feet in the afternoon. Partly sunny, with a high near 42. Breezy, with a south wind 22 to 24 mph. Chance of precipitation is 20%.
Saturday Night
Rain and snow likely, mainly after 2am. Snow level 4300 feet rising to 4900 feet after midnight. Increasing clouds, with a low around 37. Breezy, with a south southeast wind around 24 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Sunday
Rain before 8am, then rain, possibly mixed with snow between 8am and 9am, then rain after 9am. Snow level 5300 feet rising to 6000 feet in the afternoon. High near 45. South wind around 21 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Sunday Night
Rain. Snow level 6400 feet. Low around 43. South wind 16 to 18 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
Rain. Snow level 6600 feet rising to 7200 feet in the afternoon. High near 50. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Monday Night
Rain. Low around 45. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.
Tuesday
Rain. Snow level 6900 feet lowering to 6000 feet in the afternoon . Mostly cloudy, with a high near 47.
Tuesday Night
Rain likely before 10pm, then a chance of rain and snow. Snow level 5200 feet lowering to 4300 feet after midnight . Mostly cloudy, with a low around 39.
Wednesday
A chance of rain and snow before 4pm, then a slight chance of rain. Snow level 3700 feet rising to 4400 feet in the afternoon. Partly sunny, with a high near 48.
Wednesday Night
A chance of rain and snow. Snow level 4300 feet. Mostly cloudy, with a low around 36.
Thursday
A chance of rain and snow. Snow level 3900 feet rising to 5100 feet in the afternoon. Partly sunny, with a high near 51.
Thursday Night
A chance of rain and snow. Snow level 5400 feet lowering to 4800 feet after midnight . Mostly cloudy, with a low around 38.
Friday
A chance of rain and snow. Snow level 4400 feet rising to 5500 feet in the afternoon. Partly sunny, with a high near 54.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ESE Cave Junction OR
 42.12°N 123.36°W (Elev. 3658 ft)
4:06 am PST Feb 21, 2026
5am PST Feb 21, 2026-6pm PST Feb 27, 2026
 
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Additional Resources

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