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

12 Miles NE Happy Camp CA

  • Today

    Today: Rain likely, then showers and possibly a thunderstorm after 1pm.  Snow level 7700 feet lowering to 7000 feet in the afternoon . High near 44. Southwest wind 6 to 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: 44 °F

    Showers

  • Tonight

    Tonight: Rain likely before 2am, then a slight chance of rain and snow. Some thunder is also possible.  Snow level 6300 feet. Mostly cloudy, with a low around 37. West northwest wind around 5 mph becoming light and variable.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    Low: 37 °F

    Showers
    Likely then
    Slight Chance
    Rain/Snow

  • Monday

    Monday: A chance of rain and snow before 1pm, then a chance of rain.  Snow level 6100 feet. Partly sunny, with a high near 44. Calm wind.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    High: 44 °F

    Chance
    Rain/Snow

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 37. South southwest wind 5 to 7 mph.

    Low: 37 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 10 percent chance of rain after 4pm.  Snow level 6000 feet. Partly sunny, with a high near 45. Southwest wind around 10 mph.

    High: 45 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain likely, possibly mixed with snow, becoming all snow after 1am.  Snow level 5700 feet. Mostly cloudy, with a low around 37. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain/Snow
    Likely

  • Wednesday

    Wednesday: Snow.  High near 38. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 10pm.  Mostly cloudy, with a low around 31.

    Low: 31 °F

    Snow Likely

  • Thursday

    Thursday: A chance of snow, mainly before 10am.  Partly sunny, with a high near 41.

    High: 41 °F

    Chance Snow

Detailed Forecast

Today
Rain likely, then showers and possibly a thunderstorm after 1pm. Snow level 7700 feet lowering to 7000 feet in the afternoon . High near 44. Southwest wind 6 to 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
Rain likely before 2am, then a slight chance of rain and snow. Some thunder is also possible. Snow level 6300 feet. Mostly cloudy, with a low around 37. West northwest wind around 5 mph becoming light and variable. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday
A chance of rain and snow before 1pm, then a chance of rain. Snow level 6100 feet. Partly sunny, with a high near 44. Calm wind. Chance of precipitation is 40%. Little or no snow accumulation expected.
Monday Night
Mostly cloudy, with a low around 37. South southwest wind 5 to 7 mph.
Tuesday
A 10 percent chance of rain after 4pm. Snow level 6000 feet. Partly sunny, with a high near 45. Southwest wind around 10 mph.
Tuesday Night
Rain likely, possibly mixed with snow, becoming all snow after 1am. Snow level 5700 feet. Mostly cloudy, with a low around 37. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday
Snow. High near 38. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 31.
Thursday
A chance of snow, mainly before 10am. Partly sunny, with a high near 41.
Thursday Night
A slight chance of snow. Mostly cloudy, with a low around 35.
Friday
A slight chance of rain and snow. Mostly sunny, with a high near 45.
Friday Night
A slight chance of rain and snow. Snow level 6000 feet. Mostly cloudy, with a low around 36.
Saturday
A slight chance of rain and snow. Snow level 6400 feet rising to 7700 feet in the afternoon. Mostly sunny, with a high near 50.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles NE Happy Camp CA
 41.92°N 123.21°W (Elev. 5666 ft)
4:36 am PST Mar 1, 2026
6am PST Mar 1, 2026-6pm PST Mar 7, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database