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

49°F

9°C

Humidity 84%
Wind Speed NNW 3 MPH
Barometer NA
Dewpoint 44°F (7°C)
Visibility NA
Last update 12 Apr 10:52 AM PDT
Extended Forecast for

12 Miles ESE Cave Junction OR

  • Today

    Today: A chance of rain and snow showers before 2pm, then rain showers between 2pm and 5pm, then rain likely, possibly mixed with snow showers after 5pm. Some thunder is also possible. Snow level 4700 feet rising to 5300 feet. High near 41. West southwest wind 5 to 9 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

    High: 41 °F

    Rain/Snow

  • Tonight

    Tonight: Rain and snow likely before 10pm, then a chance of snow after 3am. Mostly cloudy, with a low around 35. West southwest wind 3 to 8 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 35 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Monday

    Monday: Rain and snow likely before 4pm, then a chance of rain. Snow level rising to 5200 feet in the afternoon. Partly sunny, with a high near 41. Light southwest wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 41 °F

    Rain/Snow
    Likely

  • Monday Night

    Monday Night: A chance of rain and snow before 11pm. Mostly cloudy, with a low around 34. West wind 3 to 8 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 34 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Rain likely after 5pm. Partly sunny, with a high near 44. Light southwest wind becoming west 8 to 13 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 60%.

    High: 44 °F

    Partly Sunny
    then Rain
    Likely

  • Tuesday Night

    Tuesday Night: Rain and snow likely before 8pm, then snow. Low around 37. Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain/Snow
    then Snow

  • Wednesday

    Wednesday: Snow, possibly mixed with rain. Snow level 4800 feet. High near 41. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow likely, becoming all snow after 8pm. Mostly cloudy, with a low around 28.

    Low: 28 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Thursday

    Thursday: A slight chance of snow. Mostly sunny, with a high near 41.

    High: 41 °F

    Slight Chance
    Snow

Detailed Forecast

Today
A chance of rain and snow showers before 2pm, then rain showers between 2pm and 5pm, then rain likely, possibly mixed with snow showers after 5pm. Some thunder is also possible. Snow level 4700 feet rising to 5300 feet. High near 41. West southwest wind 5 to 9 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Tonight
Rain and snow likely before 10pm, then a chance of snow after 3am. Mostly cloudy, with a low around 35. West southwest wind 3 to 8 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Monday
Rain and snow likely before 4pm, then a chance of rain. Snow level rising to 5200 feet in the afternoon. Partly sunny, with a high near 41. Light southwest wind becoming west 5 to 9 mph in the morning. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday Night
A chance of rain and snow before 11pm. Mostly cloudy, with a low around 34. West wind 3 to 8 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tuesday
Rain likely after 5pm. Partly sunny, with a high near 44. Light southwest wind becoming west 8 to 13 mph in the afternoon. Winds could gust as high as 18 mph. Chance of precipitation is 60%.
Tuesday Night
Rain and snow likely before 8pm, then snow. Low around 37. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday
Snow, possibly mixed with rain. Snow level 4800 feet. High near 41. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday Night
Rain and snow likely, becoming all snow after 8pm. Mostly cloudy, with a low around 28.
Thursday
A slight chance of snow. Mostly sunny, with a high near 41.
Thursday Night
Mostly clear, with a low around 31.
Friday
Sunny, with a high near 51.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 55.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
12 Miles ESE Cave Junction OR
 42.09°N 123.44°W (Elev. 4610 ft)
Last Update:
11:26 am PDT Apr 12, 2026
Forecast Valid:
11am PDT Apr 12, 2026-6pm PDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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