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

50°F

10°C

Humidity 70%
Wind Speed SSW 4 MPH
Barometer NA
Dewpoint 40°F (4°C)
Visibility NA
Wind Chill49°F (9°C)
Last update 12 Apr 07:52 PM PDT
Extended Forecast for

15 Miles ESE Cave Junction OR

  • Tonight

    Tonight: A chance of rain and snow before 10pm, then a chance of rain and snow after 3am. Snow level 4500 feet. Mostly cloudy, with a low around 35. West southwest wind around 6 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.

    Low: 35 °F

    Chance
    Rain/Snow

  • Monday

    Monday: Rain and snow likely before 4pm, then a chance of rain. Snow level 4300 feet rising to 5200 feet in the afternoon. Partly sunny, with a high near 46. West wind 3 to 8 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

    High: 46 °F

    Rain/Snow
    Likely

  • Monday Night

    Monday Night: A 30 percent chance of rain before 11pm. Snow level 5300 feet lowering to 4200 feet after midnight . Mostly cloudy, with a low around 36. West wind 3 to 8 mph.

    Low: 36 °F

    Chance Rain
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 49. Light west southwest wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 24 mph.

    High: 49 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Rain. Snow level 4800 feet lowering to 4200 feet. Low around 40. South southwest wind 10 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 40 °F

    Rain

  • Wednesday

    Wednesday: Rain before 11am, then rain, possibly mixed with snow. Snow level 4700 feet. High near 42. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 42 °F

    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow likely, becoming all snow after 8pm. Mostly cloudy, with a low around 29. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain/Snow
    Likely then
    Chance Snow

  • Thursday

    Thursday: A slight chance of snow before 2pm, then a slight chance of rain. Mostly sunny, with a high near 45.

    High: 45 °F

    Slight Chance
    Snow then
    Slight Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 31.

    Low: 31 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of rain and snow before 10pm, then a chance of rain and snow after 3am. Snow level 4500 feet. Mostly cloudy, with a low around 35. West southwest wind around 6 mph. Chance of precipitation is 50%. Little or no snow accumulation expected.
Monday
Rain and snow likely before 4pm, then a chance of rain. Snow level 4300 feet rising to 5200 feet in the afternoon. Partly sunny, with a high near 46. West wind 3 to 8 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.
Monday Night
A 30 percent chance of rain before 11pm. Snow level 5300 feet lowering to 4200 feet after midnight . Mostly cloudy, with a low around 36. West wind 3 to 8 mph.
Tuesday
Partly sunny, with a high near 49. Light west southwest wind becoming west 6 to 11 mph in the afternoon. Winds could gust as high as 24 mph.
Tuesday Night
Rain. Snow level 4800 feet lowering to 4200 feet. Low around 40. South southwest wind 10 to 13 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain before 11am, then rain, possibly mixed with snow. Snow level 4700 feet. High near 42. 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 29. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
A slight chance of snow before 2pm, then a slight chance of rain. Mostly sunny, with a high near 45.
Thursday Night
Mostly clear, with a low around 31.
Friday
Sunny, with a high near 55.
Friday Night
Partly cloudy, with a low around 39.
Saturday
Mostly sunny, with a high near 59.
Saturday Night
A chance of rain. Snow level 6300 feet. Mostly cloudy, with a low around 44.
Sunday
Rain likely. Snow level 5800 feet. Partly sunny, with a high near 54.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ESE Cave Junction OR
 42.12°N 123.36°W (Elev. 3658 ft)
Last Update:
4:56 pm PDT Apr 12, 2026
Forecast Valid:
8pm PDT Apr 12, 2026-6pm PDT Apr 19, 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