Storm Impacting the Southwest U.S.; Above Normal Temperatures Further East

A storm system will shift across the southwest U.S. through Thursday with widespread showers and isolated thunderstorms. Isolated flooding is possible. High-elevation snow is also expected in parts of Nevada and the southern Sierra Nevada range. East of this storm, above average temperatures will challenge or break daily record high temperatures this week in the southern Plains and southeast U.S. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

Lat: 42.10375°NLon: 123.68508°WElev: 1389.0ft.

NA

48°F

9°C

Humidity 81%
Wind Speed NNE 5 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Wind Chill46°F (8°C)
Last update 18 Nov 08:52 AM PST
Extended Forecast for

12 Miles W Happy Camp CA

  • Today

    Today: Sunny, with a high near 43. North northeast wind 3 to 6 mph.

    High: 43 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a steady temperature around 38. Northeast wind around 6 mph.

    Low: 38 °F

    Mostly Clear

  • Wednesday

    Wednesday: Showers likely after 4pm.  Snow level 6300 feet. Increasing clouds, with a high near 44. Light and variable wind becoming south 5 to 10 mph in the morning.  Chance of precipitation is 60%.

    High: 44 °F

    Sunny then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Rain, possibly mixed with snow showers.  Snow level 6300 feet lowering to 5400 feet after midnight . Low around 36. Southwest wind 11 to 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 36 °F

    Rain/Snow

  • Thursday

    Thursday: Snow showers likely before 1pm, then a chance of rain and snow showers.  Partly sunny, with a high near 39. South wind around 8 mph becoming east northeast in the afternoon.  Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 39 °F

    Snow Showers
    Likely then
    Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: A slight chance of rain and snow showers before 10pm.  Snow level 5700 feet. Partly cloudy, with a low around 35. Chance of precipitation is 20%.

    Low: 35 °F

    Slight Chance
    Rain/Snow
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 46.

    High: 46 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 38.

    Low: 38 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

Detailed Forecast

Today
Sunny, with a high near 43. North northeast wind 3 to 6 mph.
Tonight
Mostly clear, with a steady temperature around 38. Northeast wind around 6 mph.
Wednesday
Showers likely after 4pm. Snow level 6300 feet. Increasing clouds, with a high near 44. Light and variable wind becoming south 5 to 10 mph in the morning. Chance of precipitation is 60%.
Wednesday Night
Rain, possibly mixed with snow showers. Snow level 6300 feet lowering to 5400 feet after midnight . Low around 36. Southwest wind 11 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Thursday
Snow showers likely before 1pm, then a chance of rain and snow showers. Partly sunny, with a high near 39. South wind around 8 mph becoming east northeast in the afternoon. Chance of precipitation is 60%. Little or no snow accumulation expected.
Thursday Night
A slight chance of rain and snow showers before 10pm. Snow level 5700 feet. Partly cloudy, with a low around 35. Chance of precipitation is 20%.
Friday
Sunny, with a high near 46.
Friday Night
Mostly clear, with a low around 38.
Saturday
Mostly sunny, with a high near 49.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
A slight chance of showers. Snow level 7100 feet. Mostly sunny, with a high near 47.
Sunday Night
A chance of rain and snow showers. Snow level 6500 feet. Mostly cloudy, with a low around 37.
Monday
A chance of rain and snow showers. Snow level 5500 feet. Partly sunny, with a high near 40.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles W Happy Camp CA
 41.79°N 123.59°W (Elev. 5000 ft)
9:41 am PST Nov 18, 2025
9am PST Nov 18, 2025-6pm PST Nov 24, 2025
 
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Additional Resources

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