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

15 Miles ESE Cave Junction OR

  • Overnight

    Overnight: Rain likely.  Cloudy, with a low around 43. South wind around 6 mph.  Chance of precipitation is 60%.

    Low: 43 °F

    Rain Likely

  • Sunday

    Sunday: Rain likely, then showers and possibly a thunderstorm after 1pm.  Snow level 7100 feet. High near 48. 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: 48 °F

    Rain Likely
    then Showers

  • Sunday Night

    Sunday Night: Showers likely and possibly a thunderstorm before 7pm, then a chance of rain, mainly between 7pm and 1am.  Snow level 6200 feet. Mostly cloudy, with a low around 37. Light and variable wind.  Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 37 °F

    Showers
    Likely then
    Chance Rain

  • Monday

    Monday: A 40 percent chance of rain.  Snow level 6100 feet. Partly sunny, with a high near 48. Light and variable wind.

    High: 48 °F

    Chance Rain

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37. South southwest wind 3 to 7 mph.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of rain after 10am.  Snow level 5900 feet. Partly sunny, with a high near 48.

    High: 48 °F

    Slight Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain, mainly after 10pm.  Snow level 5600 feet. Low around 38. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 38 °F

    Rain

  • Wednesday

    Wednesday: Snow, possibly mixed with rain, becoming all snow after 10am.  Cloudy, with a high near 41.

    High: 41 °F

    Rain/Snow
    then Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 10pm.  Mostly cloudy, with a low around 32.

    Low: 32 °F

    Snow Likely

Detailed Forecast

Overnight
Rain likely. Cloudy, with a low around 43. South wind around 6 mph. Chance of precipitation is 60%.
Sunday
Rain likely, then showers and possibly a thunderstorm after 1pm. Snow level 7100 feet. High near 48. 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 likely and possibly a thunderstorm before 7pm, then a chance of rain, mainly between 7pm and 1am. Snow level 6200 feet. Mostly cloudy, with a low around 37. Light and variable wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
A 40 percent chance of rain. Snow level 6100 feet. Partly sunny, with a high near 48. Light and variable wind.
Monday Night
Mostly cloudy, with a low around 37. South southwest wind 3 to 7 mph.
Tuesday
A 20 percent chance of rain after 10am. Snow level 5900 feet. Partly sunny, with a high near 48.
Tuesday Night
Rain, mainly after 10pm. Snow level 5600 feet. Low around 38. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Snow, possibly mixed with rain, becoming all snow after 10am. Cloudy, with a high near 41.
Wednesday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 32.
Thursday
A chance of snow before 4pm, then a chance of rain and snow. Partly sunny, with a high near 45.
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 5500 feet in the afternoon. Partly sunny, with a high near 48.
Friday Night
A slight chance of rain and snow. Snow level 6000 feet. Mostly cloudy, with a low around 37.
Saturday
A slight chance of rain and snow. Snow level 6500 feet rising to 7700 feet in the afternoon. Mostly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ESE Cave Junction OR
 42.07°N 123.38°W (Elev. 4656 ft)
4:36 am PST Mar 1, 2026
4am PST Mar 1, 2026-6pm PST Mar 7, 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