National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Unsettled Weather in the Eastern U.S. through Memorial Day

Showers and thunderstorms are expected from Texas to the Northeast through Tuesday. Heavy rain will create mainly localized areas of flash flooding across the central Gulf Coast into the Appalachians. Elevated to Critical fire weather conditions due to gusty winds and low humidity are expected through Tuesday across Oregon and Nevada. Showers and thunderstorms will develop over the Northwest. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

56°F

13°C

Humidity 65%
Wind Speed SW 8 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 25 May 04:52 PM PDT
Extended Forecast for

15 Miles NE Happy Camp CA

  • Memorial Day

    Memorial Day: A 20 percent chance of rain. Snow level 6900 feet. Mostly sunny, with a steady temperature around 52. Breezy, with a southwest wind around 22 mph, with gusts as high as 33 mph.

    High: 52 °F

    Slight Chance
    Rain and
    Breezy

  • Tonight

    Tonight: A chance of rain before 8pm, then a chance of snow after 2am. Snow level 6700 feet lowering to 4600 feet after midnight . Mostly cloudy, with a low around 36. West northwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 36 °F

    Chance Rain
    then Chance
    Snow

  • Tuesday

    Tuesday: Rain showers and snow, becoming all rain after 2pm. Some thunder is also possible. Snow level rising to 6000 feet in the afternoon. High near 42. West wind 8 to 10 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 42 °F

    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain likely before 8pm, then rain likely, possibly mixed with snow. Snow level 6100 feet lowering to 5500 feet after midnight . Mostly cloudy, with a low around 38. North wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 38 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 50 percent chance of rain, mainly before 11am. Snow level 5300 feet rising to 8000 feet in the afternoon. Mostly cloudy, with a high near 46. North wind 14 to 16 mph, with gusts as high as 24 mph.

    High: 46 °F

    Chance Rain
    then Slight
    Chance Rain

  • Wednesday Night

    Wednesday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance Rain

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms after 11am. Partly sunny, with a high near 58.

    High: 58 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm, then a slight chance of rain after 11pm. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 55.

    High: 55 °F

    Mostly Sunny

Detailed Forecast

Memorial Day
A 20 percent chance of rain. Snow level 6900 feet. Mostly sunny, with a steady temperature around 52. Breezy, with a southwest wind around 22 mph, with gusts as high as 33 mph.
Tonight
A chance of rain before 8pm, then a chance of snow after 2am. Snow level 6700 feet lowering to 4600 feet after midnight . Mostly cloudy, with a low around 36. West northwest wind 16 to 21 mph decreasing to 10 to 15 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday
Rain showers and snow, becoming all rain after 2pm. Some thunder is also possible. Snow level rising to 6000 feet in the afternoon. High near 42. West wind 8 to 10 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tuesday Night
Rain likely before 8pm, then rain likely, possibly mixed with snow. Snow level 6100 feet lowering to 5500 feet after midnight . Mostly cloudy, with a low around 38. North wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Wednesday
A 50 percent chance of rain, mainly before 11am. Snow level 5300 feet rising to 8000 feet in the afternoon. Mostly cloudy, with a high near 46. North wind 14 to 16 mph, with gusts as high as 24 mph.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 43.
Thursday
A 40 percent chance of showers and thunderstorms after 11am. Partly sunny, with a high near 58.
Thursday Night
A chance of showers and thunderstorms before 11pm, then a slight chance of rain after 11pm. Mostly cloudy, with a low around 47.
Friday
Mostly sunny, with a high near 55.
Friday Night
Partly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 55.
Saturday Night
A slight chance of rain. Snow level 7800 feet lowering to 6400 feet after midnight . Mostly clear, with a low around 38.
Sunday
Sunny, with a high near 58.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles NE Happy Camp CA
 41.93°N 123.15°W (Elev. 4600 ft)
Last Update:
4:46 pm PDT May 25, 2026
Forecast Valid:
5pm PDT May 25, 2026-6pm PDT Jun 1, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation