Super Typhoon Sinlaku to Impact the Marianas and Guam; Severe Weather Threat from the Central Plains to the Great Lakes

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, and thunderstorms to the Marianas Islands into Wednesday. Tropical Storm conditions are likely over Guam. Severe thunderstorms and heavy rain are likely across the Upper Mississippi Valley and Great Lakes region with potential for large to very large hail, damaging wind, and tornadoes through Tuesday. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

52°F

11°C

Humidity 69%
Wind Speed NNE 2 MPH
Barometer NA
Dewpoint 42°F (6°C)
Visibility NA
Last update 13 Apr 10:52 AM PDT
Extended Forecast for

12 Miles ESE Cave Junction OR

  • Today

    Today: A chance of rain and snow showers between noon and 1pm, then a chance of rain showers after 1pm.  Snow level 4900 feet rising to 5400 feet. Partly sunny, with a high near 42. West northwest wind 5 to 7 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    High: 42 °F

    Chance
    Rain/Snow

  • Tonight

    Tonight: Mostly cloudy, with a low around 35. West wind 5 to 7 mph becoming calm  in the evening.

    Low: 35 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain after 5pm.  Increasing clouds, with a high near 46. Light south southwest wind becoming west 9 to 14 mph in the afternoon.

    High: 46 °F

    Mostly Sunny
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: A chance of rain and snow before 8pm, then snow.  Low around 37. South southwest wind 13 to 18 mph, with gusts as high as 26 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain/Snow
    then Snow

  • Wednesday

    Wednesday: Rain and snow, becoming all snow after 11am.  High near 40. Windy, with a south southwest wind 26 to 31 mph decreasing to 17 to 22 mph in the afternoon. Winds could gust as high as 38 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 40 °F

    Rain/Snow and
    Windy then
    Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow showers likely, mainly before 11pm.  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

    Snow Showers
    Likely then
    Chance Snow
    Showers

  • Thursday

    Thursday: A 20 percent chance of snow before 11am.  Mostly sunny, with a high near 40.

    High: 40 °F

    Slight Chance
    Snow then
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 30.

    Low: 30 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

Detailed Forecast

Today
A chance of rain and snow showers between noon and 1pm, then a chance of rain showers after 1pm. Snow level 4900 feet rising to 5400 feet. Partly sunny, with a high near 42. West northwest wind 5 to 7 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Tonight
Mostly cloudy, with a low around 35. West wind 5 to 7 mph becoming calm in the evening.
Tuesday
A 30 percent chance of rain after 5pm. Increasing clouds, with a high near 46. Light south southwest wind becoming west 9 to 14 mph in the afternoon.
Tuesday Night
A chance of rain and snow before 8pm, then snow. Low around 37. South southwest wind 13 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday
Rain and snow, becoming all snow after 11am. High near 40. Windy, with a south southwest wind 26 to 31 mph decreasing to 17 to 22 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 29. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
A 20 percent chance of snow before 11am. Mostly sunny, with a high near 40.
Thursday Night
Mostly clear, with a low around 30.
Friday
Sunny, with a high near 52.
Friday Night
Mostly cloudy, with a low around 39.
Saturday
Partly sunny, with a high near 53.
Saturday Night
A chance of rain. Snow level 6300 feet lowering to 5600 feet after midnight . Mostly cloudy, with a low around 41.
Sunday
Rain likely. Snow level 5000 feet. Mostly cloudy, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles ESE Cave Junction OR
 42.09°N 123.44°W (Elev. 4610 ft)
11:26 am PDT Apr 13, 2026
11am PDT Apr 13, 2026-6pm PDT Apr 19, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database