Winter Returns Across the Northern Tier; Record Warmth for the Southwest

A large high pressure system will usher in cold air for this first day of March across the northern Plains, Great Lakes, Northeast and mid-Atlantic. Some wintry precipitation may evolve across the mid-Mississippi Valley, Ohio Valley and mid-Atlantic through Monday. Meanwhile, record warmth will spread across the Southwest, southern Plains through early this week. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

51°F

11°C

Humidity 99%
Wind Speed NE 0 MPH
Barometer NA
Dewpoint 51°F (11°C)
Visibility NA
Last update 01 Mar 12:52 AM PST
Extended Forecast for

5 Miles NNW Cave Junction OR

  • Tonight

    Tonight: Showers likely, mainly before 10pm.  Mostly cloudy, with a low around 42. Light west wind.  Chance of precipitation is 60%.

    Low: 42 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers before 10am, then a chance of rain, mainly between 10am and 2pm.  Partly sunny, with a high near 58. Calm wind.  Chance of precipitation is 40%.

    High: 58 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of rain before 10pm.  Partly cloudy, with a low around 41. Light and variable wind.

    Low: 41 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of rain.  Mostly cloudy, with a high near 56. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 56 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly after 10pm.  Low around 41. South southwest wind around 7 mph.  Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 41 °F

    Rain

  • Wednesday

    Wednesday: Rain.  Snow level 4400 feet. High near 49. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 49 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain likely, mainly before 10pm.  Snow level 3900 feet. Mostly cloudy, with a low around 36. Chance of precipitation is 70%.

    Low: 36 °F

    Rain Likely

  • Thursday

    Thursday: A chance of rain.  Snow level 3300 feet rising to 4100 feet in the afternoon. Partly sunny, with a high near 52.

    High: 52 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain.  Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

Detailed Forecast

Tonight
Showers likely, mainly before 10pm. Mostly cloudy, with a low around 42. Light west wind. Chance of precipitation is 60%.
Monday
A chance of showers before 10am, then a chance of rain, mainly between 10am and 2pm. Partly sunny, with a high near 58. Calm wind. Chance of precipitation is 40%.
Monday Night
A 20 percent chance of rain before 10pm. Partly cloudy, with a low around 41. Light and variable wind.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 56. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Tuesday Night
Rain, mainly after 10pm. Low around 41. South southwest wind around 7 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain. Snow level 4400 feet. High near 49. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain likely, mainly before 10pm. Snow level 3900 feet. Mostly cloudy, with a low around 36. Chance of precipitation is 70%.
Thursday
A chance of rain. Snow level 3300 feet rising to 4100 feet in the afternoon. Partly sunny, with a high near 52.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 37.
Friday
A slight chance of rain. Mostly sunny, with a high near 57.
Friday Night
A slight chance of rain. Partly cloudy, with a low around 40.
Saturday
A slight chance of rain. Partly sunny, with a high near 64.
Saturday Night
A slight chance of rain. Partly cloudy, with a low around 41.
Sunday
A slight chance of rain. Partly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Cave Junction OR
 42.25°N 123.69°W (Elev. 1499 ft)
3:41 pm PST Mar 1, 2026
7pm PST Mar 1, 2026-6pm PDT Mar 8, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database