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

Hawaii and Guam Concerns; Severe Weather for the Plains; Heavy Snow for Sierra-Nevada

Heavy rainfall capable of causing flash flooding will continue to impact Hawaii through Monday. Severe thunderstorms and heavy rain are possible in parts of Texas and the southern Plains and the Upper Great Lakes. Heavy mountain snow continues in California's Sierra Nevada and rain with gusty winds to lower elevations. Super Typhoon Sinlaku will impact the Marianas through midweek. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

54°F

12°C

Humidity 60%
Wind Speed SW 8 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Last update 12 Apr 06:52 PM PDT
Extended Forecast for

15 Miles ESE Cave Junction OR

  • Tonight

    Tonight: Rain and snow likely before 10pm, then a chance of snow after 3am. Mostly cloudy, with a low around 31. West wind 6 to 9 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 31 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Monday

    Monday: A chance of snow before 8am, then a chance of rain and snow after 11am. Snow level rising to 5300 feet in the afternoon. Partly sunny, with a high near 42. West wind 6 to 10 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Chance
    Rain/Snow

  • Monday Night

    Monday Night: A chance of rain and snow before 11pm. Mostly cloudy, with a low around 32. West wind 5 to 9 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 32 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Rain likely after 5pm. Partly sunny, with a high near 46. West southwest wind 5 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    High: 46 °F

    Partly Sunny
    then Rain
    Likely

  • Tuesday Night

    Tuesday Night: Rain and snow likely before 8pm, then snow. Low around 36. South southwest wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 36 °F

    Rain/Snow
    then Snow

  • Wednesday

    Wednesday: Snow, possibly mixed with rain. Snow level 4800 feet. High near 39. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 39 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Snow likely, mainly before 11pm. Mostly cloudy, with a low around 24. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 24 °F

    Snow Likely
    then Chance
    Snow

  • Thursday

    Thursday: A slight chance of snow. Mostly sunny, with a high near 42.

    High: 42 °F

    Slight Chance
    Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Tonight
Rain and snow likely before 10pm, then a chance of snow after 3am. Mostly cloudy, with a low around 31. West wind 6 to 9 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.
Monday
A chance of snow before 8am, then a chance of rain and snow after 11am. Snow level rising to 5300 feet in the afternoon. Partly sunny, with a high near 42. West wind 6 to 10 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.
Monday Night
A chance of rain and snow before 11pm. Mostly cloudy, with a low around 32. West wind 5 to 9 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday
Rain likely after 5pm. Partly sunny, with a high near 46. West southwest wind 5 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Tuesday Night
Rain and snow likely before 8pm, then snow. Low around 36. South southwest wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday
Snow, possibly mixed with rain. Snow level 4800 feet. High near 39. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow likely, mainly before 11pm. Mostly cloudy, with a low around 24. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Thursday
A slight chance of snow. Mostly sunny, with a high near 42.
Thursday Night
Mostly clear, with a low around 27.
Friday
Sunny, with a high near 52.
Friday Night
Partly cloudy, with a low around 35.
Saturday
Mostly sunny, with a high near 57.
Saturday Night
A chance of rain. Snow level 6300 feet. Mostly cloudy, with a low around 41.
Sunday
Rain likely. Snow level 5800 feet. Partly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ESE Cave Junction OR
 42.07°N 123.38°W (Elev. 4656 ft)
Last Update:
4:56 pm PDT Apr 12, 2026
Forecast Valid:
7pm PDT Apr 12, 2026-6pm PDT Apr 19, 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