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

Super Typhoon Sinlaku will bring destructive winds, widespread heavy rain/flooding, thunderstorms, and coastal impacts to the Marianas Islands into Wednesday. Typhoon conditions are likely over the Northern Mariana Islands. Severe thunderstorms and heavy rain are expected from the Southern Plains to the Great Lakes through Tuesday. Heavy snow is expected in the Pacific Northwest. Read More >

Current conditions at

ILLINOIS VALLEY AIRPORT (SBFO3)

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

NA

40°F

4°C

Humidity 88%
Wind Speed SSW 2 MPH
Barometer NA
Dewpoint 37°F (3°C)
Visibility NA
Last update 13 Apr 11:52 PM PDT
Extended Forecast for

15 Miles ESE Cave Junction OR

  • Overnight

    Overnight: Mostly cloudy, with a low around 32. Light southwest wind.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly after 5pm.  Snow level rising to 5500 feet in the afternoon. Increasing clouds, with a high near 47. Light south southwest wind becoming west 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 47 °F

    Mostly Sunny
    then Chance
    Rain

  • Tuesday Night

    Tuesday Night: Rain and snow likely before 4am, then snow between 4am and 5am, then snow, possibly mixed with rain after 5am.  Low around 35. South southwest wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

    Low: 35 °F

    Chance
    Rain/Snow
    then
    Rain/Snow

  • Wednesday

    Wednesday: Rain and snow, becoming all snow after 2pm.  High near 38. Breezy, with a west southwest wind 16 to 22 mph, with gusts as high as 33 mph.  Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    High: 38 °F

    Rain/Snow and
    Breezy

  • Wednesday Night

    Wednesday Night: A 50 percent chance of snow, mainly before 11pm.  Mostly cloudy, with a low around 25. West northwest wind 8 to 15 mph, with gusts as high as 23 mph.  New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Chance Snow
    then Slight
    Chance Snow

  • 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 27.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 32. Light southwest wind.
Tuesday
A 30 percent chance of rain, mainly after 5pm. Snow level rising to 5500 feet in the afternoon. Increasing clouds, with a high near 47. Light south southwest wind becoming west 8 to 13 mph in the afternoon. Winds could gust as high as 21 mph.
Tuesday Night
Rain and snow likely before 4am, then snow between 4am and 5am, then snow, possibly mixed with rain after 5am. Low around 35. South southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Wednesday
Rain and snow, becoming all snow after 2pm. High near 38. Breezy, with a west southwest wind 16 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.
Wednesday Night
A 50 percent chance of snow, mainly before 11pm. Mostly cloudy, with a low around 25. West northwest wind 8 to 15 mph, with gusts as high as 23 mph. 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 41.
Thursday Night
Mostly clear, with a low around 27.
Friday
Sunny, with a high near 53.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
Mostly sunny, with a high near 56.
Saturday Night
Rain likely. Snow level 6800 feet. Mostly cloudy, with a low around 40.
Sunday
Rain. Snow level 6300 feet lowering to 5400 feet in the afternoon . Mostly cloudy, with a high near 44.
Sunday Night
Rain and snow. Mostly cloudy, with a low around 34.
Monday
Rain and snow likely. Mostly cloudy, with a high near 44.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
15 Miles ESE Cave Junction OR
 42.07°N 123.38°W (Elev. 4656 ft)
11:26 pm PDT Apr 13, 2026
12am PDT Apr 14, 2026-6pm PDT Apr 20, 2026
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database