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

Fire Weather Concerns; Record Warmth Spreads

The Plains to the mid-Mississippi Valley continue with warm and dry conditions. Any fires that initiate could spread quickly. The warm temperatures will expand across the Southern Plains into the Southwest where numerous records are expected through the weekend. Meanwhile, a cold front will move southward across the northern Plains and Great Lakes region where some snow will develop this weekend. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

59°F

15°C

Humidity 88%
Wind Speed NNW 3 MPH
Barometer NA
Dewpoint 55°F (13°C)
Visibility NA
Last update 28 Feb 03:52 PM PST
Extended Forecast for

15 Miles ESE Cave Junction OR

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm before 5pm, then a chance of showers and thunderstorms after 5pm. High near 52. South southwest wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 52 °F

    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely. Snow level 8200 feet lowering to 7600 feet after midnight . Mostly cloudy, with a low around 43. South southeast wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, then showers and possibly a thunderstorm after 1pm. Snow level 6700 feet. High near 47. Southwest wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 47 °F

    Showers
    Likely then
    Showers

  • Sunday Night

    Sunday Night: Showers, mainly before 10pm. Snow level 6300 feet. Low around 37. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Showers then
    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers. Snow level 6100 feet. Partly sunny, with a high near 49. Light and variable wind.

    High: 49 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after 4pm. Snow level 6100 feet. Mostly cloudy, with a high near 50.

    High: 50 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain before 4am, then rain, possibly mixed with snow. Snow level 6000 feet lowering to 5400 feet after midnight . Cloudy, with a low around 39.

    Low: 39 °F

    Rain then
    Rain/Snow

  • Wednesday

    Wednesday: Snow, possibly mixed with rain. Snow level 4700 feet. Mostly cloudy, with a high near 41.

    High: 41 °F

    Rain/Snow

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm before 5pm, then a chance of showers and thunderstorms after 5pm. High near 52. South southwest wind around 8 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms likely. Snow level 8200 feet lowering to 7600 feet after midnight . Mostly cloudy, with a low around 43. South southeast wind 6 to 8 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers likely, then showers and possibly a thunderstorm after 1pm. Snow level 6700 feet. High near 47. Southwest wind around 7 mph. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
Showers, mainly before 10pm. Snow level 6300 feet. Low around 37. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A 30 percent chance of showers. Snow level 6100 feet. Partly sunny, with a high near 49. Light and variable wind.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
A 30 percent chance of rain, mainly after 4pm. Snow level 6100 feet. Mostly cloudy, with a high near 50.
Tuesday Night
Rain before 4am, then rain, possibly mixed with snow. Snow level 6000 feet lowering to 5400 feet after midnight . Cloudy, with a low around 39.
Wednesday
Snow, possibly mixed with rain. Snow level 4700 feet. Mostly cloudy, with a high near 41.
Wednesday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 33.
Thursday
A chance of rain and snow. Partly sunny, with a high near 44.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 36.
Friday
A slight chance of snow. Snow level rising to 5300 feet in the afternoon. Partly sunny, with a high near 48.
Friday Night
A slight chance of rain and snow. Snow level 6100 feet. Mostly cloudy, with a low around 37.
Saturday
A slight chance of rain and snow. Snow level 6600 feet rising to 7600 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
 42.07°N 123.38°W (Elev. 4656 ft)
Last Update:
3:41 pm PST Feb 28, 2026
Forecast Valid:
4pm PST Feb 28, 2026-6pm PST Mar 7, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation