Pacific Storm System Across the West; Fire Weather Concerns in the Southeast

A Pacific storm system will bring strong winds and low elevation rain to much of the West Coast, and heavy high elevation mountain snow to the Sierra-Nevada through Wednesday. Fire weather concerns will continue into Tuesday across the Mid-South and Southeast as gusty winds and dry conditions persist. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

47°F

8°C

Humidity 100%
Wind Speed N 1 MPH
Barometer NA
Dewpoint 47°F (8°C)
Visibility NA
Last update 21 Apr 02:52 AM PDT
Extended Forecast for

9 Miles ENE Happy Camp CA

Winter Weather Advisory April 21, 03:31am until April 21, 11:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory April 21, 03:31am until April 21, 11:00am

    NOW until 11:00am Tue

    Winter Weather Advisory

  • Overnight

    Low: 44 °F

    Chance Rain

  • Tuesday

    Tuesday: Rain likely, then showers and possibly a thunderstorm after 11am.  High near 58. Calm wind becoming west southwest 5 to 8 mph in the afternoon.  Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 58 °F

    Showers
    Likely then
    Showers

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm before midnight, then a chance of rain.  Snow level 4900 feet lowering to 4200 feet after midnight . Low around 41. West southwest wind around 6 mph.  Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 41 °F

    Rain then
    Chance Rain

  • Wednesday

    Wednesday: Rain likely, mainly after 11am.  Snow level 4300 feet rising to 5100 feet in the afternoon. Mostly cloudy, with a high near 58. West southwest wind 6 to 13 mph, with gusts as high as 20 mph.  Chance of precipitation is 60%.

    High: 58 °F

    Rain Likely

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before 11pm.  Snow level 5000 feet lowering to 4100 feet after midnight . Partly cloudy, with a low around 36. West wind 5 to 10 mph becoming light west northwest  after midnight.

    Low: 36 °F

    Slight Chance
    Rain then
    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

Detailed Forecast

Overnight
A 30 percent chance of rain, mainly after 5am. Mostly cloudy, with a low around 44. Light west southwest wind.
Tuesday
Rain likely, then showers and possibly a thunderstorm after 11am. High near 58. Calm wind becoming west southwest 5 to 8 mph in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Rain and possibly a thunderstorm before midnight, then a chance of rain. Snow level 4900 feet lowering to 4200 feet after midnight . Low around 41. West southwest wind around 6 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday
Rain likely, mainly after 11am. Snow level 4300 feet rising to 5100 feet in the afternoon. Mostly cloudy, with a high near 58. West southwest wind 6 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Wednesday Night
A 20 percent chance of rain before 11pm. Snow level 5000 feet lowering to 4100 feet after midnight . Partly cloudy, with a low around 36. West wind 5 to 10 mph becoming light west northwest after midnight.
Thursday
Sunny, with a high near 70.
Thursday Night
Clear, with a low around 38.
Friday
Sunny, with a high near 76.
Friday Night
Clear, with a low around 43.
Saturday
Sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 42.
Sunday
A slight chance of rain. Mostly sunny, with a high near 71.
Sunday Night
A slight chance of rain. Partly cloudy, with a low around 42.
Monday
A chance of rain. Mostly sunny, with a high near 71.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
9 Miles ENE Happy Camp CA
 41.84°N 123.19°W (Elev. 1421 ft)
3:11 am PDT Apr 21, 2026
3am PDT Apr 21, 2026-6pm PDT Apr 27, 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