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

11 Miles NNE Happy Camp CA

  • This Afternoon

    This Afternoon: Showers and possibly a thunderstorm.  Snow level 7000 feet. High near 45. Southwest wind around 8 mph.  Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 45 °F

    Showers

  • Tonight

    Tonight: Showers and possibly a thunderstorm before 7pm, then a chance of showers.  Snow level 6300 feet. Low around 38. Light and variable wind.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 38 °F

    Showers then
    Chance
    Showers

  • Monday

    Monday: A slight chance of showers before 10am, then a chance of rain, mainly between 10am and 4pm.  Snow level 5900 feet rising to 6600 feet in the afternoon. Mostly cloudy, then gradually becoming sunny, with a high near 45. Calm wind becoming north around 5 mph in the afternoon.  Chance of precipitation is 30%.

    High: 45 °F

    Chance Rain

  • Monday Night

    Monday Night: A 20 percent chance of rain before 10pm.  Snow level 6400 feet. Partly cloudy, with a low around 37. Light and variable wind becoming south southwest around 5 mph in the evening.

    Low: 37 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after 4pm.  Snow level 5900 feet. Partly sunny, with a high near 47. Southwest wind around 8 mph.

    High: 47 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Rain before 4am, then rain, possibly mixed with snow.  Snow level 5600 feet. Low around 36. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 36 °F

    Rain then
    Rain/Snow

  • Wednesday

    Wednesday: Rain, possibly mixed with snow, becoming all snow after 7am.  High near 37. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 37 °F

    Rain/Snow
    then Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 10pm.  Mostly cloudy, with a low around 30.

    Low: 30 °F

    Snow Likely

  • Thursday

    Thursday: A chance of snow.  Partly sunny, with a high near 40.

    High: 40 °F

    Chance Snow

Detailed Forecast

This Afternoon
Showers and possibly a thunderstorm. Snow level 7000 feet. High near 45. Southwest wind around 8 mph. Chance of precipitation is 90%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and possibly a thunderstorm before 7pm, then a chance of showers. Snow level 6300 feet. Low around 38. Light and variable wind. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A slight chance of showers before 10am, then a chance of rain, mainly between 10am and 4pm. Snow level 5900 feet rising to 6600 feet in the afternoon. Mostly cloudy, then gradually becoming sunny, with a high near 45. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 30%.
Monday Night
A 20 percent chance of rain before 10pm. Snow level 6400 feet. Partly cloudy, with a low around 37. Light and variable wind becoming south southwest around 5 mph in the evening.
Tuesday
A 30 percent chance of rain, mainly after 4pm. Snow level 5900 feet. Partly sunny, with a high near 47. Southwest wind around 8 mph.
Tuesday Night
Rain before 4am, then rain, possibly mixed with snow. Snow level 5600 feet. Low around 36. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday
Rain, possibly mixed with snow, becoming all snow after 7am. High near 37. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow likely, mainly before 10pm. Mostly cloudy, with a low around 30.
Thursday
A chance of snow. Partly sunny, with a high near 40.
Thursday Night
A chance of snow, mainly before 4am. Mostly cloudy, with a low around 34.
Friday
A slight chance of snow. Snow level rising to 6000 feet in the afternoon. Mostly sunny, with a high near 46.
Friday Night
A slight chance of rain. Snow level 6900 feet. Partly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 54.
Saturday Night
A slight chance of rain. Snow level 7900 feet lowering to 7400 feet after midnight . Partly cloudy, with a low around 40.
Sunday
A slight chance of rain and snow. Snow level 6500 feet. Partly sunny, with a high near 53.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
11 Miles NNE Happy Camp CA
 41.95°N 123.28°W (Elev. 4839 ft)
2:17 pm PST Mar 1, 2026
3pm PST Mar 1, 2026-6pm PDT Mar 8, 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