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

34°F

1°C

Humidity 100%
Wind Speed W 0 MPH
Barometer NA
Dewpoint 34°F (1°C)
Visibility NA
Last update 13 Apr 05:52 AM PDT
Extended Forecast for

12 Miles ESE Cave Junction OR

  • Today

    Today: A chance of rain and snow showers between 11am and 3pm, then a chance of rain showers after 3pm.  Snow level rising to 5200 feet in the afternoon. Partly sunny, with a high near 41. Calm wind becoming west 5 to 8 mph in the morning.  Chance of precipitation is 50%. Little or no snow accumulation expected.

    High: 41 °F

    Chance
    Rain/Snow

  • Tonight

    Tonight: Mostly cloudy, with a low around 34. West wind 5 to 7 mph becoming calm  in the evening.

    Low: 34 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Showers likely after 5pm.  Partly sunny, with a high near 46. Light southwest wind becoming west 9 to 14 mph in the afternoon.  Chance of precipitation is 60%.

    High: 46 °F

    Partly Sunny
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: Rain and snow showers likely before 8pm, then snow showers.  Low around 37. Breezy, with a south southwest wind 15 to 22 mph, with gusts as high as 28 mph.  Chance of precipitation is 80%. Little or no snow accumulation expected.

    Low: 37 °F

    Rain/Snow
    then Snow
    Showers and
    Breezy

  • Wednesday

    Wednesday: Rain, possibly mixed with snow showers, becoming all snow after 2pm.  Snow level 5000 feet lowering to 4600 feet in the afternoon . High near 41. Breezy, with a south southwest wind 23 to 28 mph decreasing to 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 41 °F

    Rain/Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: Snow showers, mainly before 11pm.  Low around 29. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 29 °F

    Snow Showers
    then Chance
    Snow Showers

  • Thursday

    Thursday: A 20 percent chance of snow before 11am.  Mostly sunny, with a high near 41.

    High: 41 °F

    Slight Chance
    Snow then
    Sunny

  • Thursday Night

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

    Low: 31 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of rain and snow showers between 11am and 3pm, then a chance of rain showers after 3pm. Snow level rising to 5200 feet in the afternoon. Partly sunny, with a high near 41. Calm wind becoming west 5 to 8 mph in the morning. Chance of precipitation is 50%. Little or no snow accumulation expected.
Tonight
Mostly cloudy, with a low around 34. West wind 5 to 7 mph becoming calm in the evening.
Tuesday
Showers likely after 5pm. Partly sunny, with a high near 46. Light southwest wind becoming west 9 to 14 mph in the afternoon. Chance of precipitation is 60%.
Tuesday Night
Rain and snow showers likely before 8pm, then snow showers. Low around 37. Breezy, with a south southwest wind 15 to 22 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.
Wednesday
Rain, possibly mixed with snow showers, becoming all snow after 2pm. Snow level 5000 feet lowering to 4600 feet in the afternoon . High near 41. Breezy, with a south southwest wind 23 to 28 mph decreasing to 17 to 22 mph in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday Night
Snow showers, mainly before 11pm. Low around 29. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Thursday
A 20 percent chance of snow before 11am. Mostly sunny, with a high near 41.
Thursday Night
Mostly clear, with a low around 31.
Friday
Mostly sunny, with a high near 51.
Friday Night
Partly cloudy, with a low around 40.
Saturday
Partly sunny, with a high near 54.
Saturday Night
A chance of rain. Snow level 6300 feet lowering to 5500 feet after midnight . Mostly cloudy, with a low around 43.
Sunday
A chance of rain. Snow level 4900 feet. Mostly cloudy, with a high near 46.
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ABOUT THIS FORECAST

 
Point Forecast:
12 Miles ESE Cave Junction OR
 42.09°N 123.44°W (Elev. 4610 ft)
4:41 am PDT Apr 13, 2026
7am PDT Apr 13, 2026-6pm PDT Apr 19, 2026
 
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Additional Resources

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