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

49°F

9°C

Humidity 67%
Wind Speed SSW 4 MPH
Barometer NA
Dewpoint 38°F (3°C)
Visibility NA
Wind Chill48°F (9°C)
Last update 13 Apr 07:52 PM PDT
Extended Forecast for

3 Miles SE Illinois Valley OR

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. Calm wind.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 58. Calm wind becoming southwest 5 to 8 mph in the afternoon.

    High: 58 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Rain, mainly after 11pm.  Snow level 4400 feet. Low around 37. South southwest wind 7 to 9 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Rain

  • Wednesday

    Wednesday: Rain.  Snow level 5100 feet lowering to 4000 feet in the afternoon . High near 50. West wind around 9 mph, with gusts as high as 29 mph.  Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

    High: 50 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain showers likely before 11pm, then a chance of rain and snow showers.  Snow level 3500 feet lowering to 2000 feet after midnight . Mostly cloudy, with a low around 27. West northwest wind 5 to 7 mph becoming calm  in the evening.  Chance of precipitation is 70%. Little or no snow accumulation expected.

    Low: 27 °F

    Rain/Snow
    Likely then
    Chance
    Rain/Snow

  • Thursday

    Thursday: A slight chance of rain and snow before 11am.  Snow level 1900 feet rising to 3300 feet in the afternoon. Mostly sunny, with a high near 54. Chance of precipitation is 20%.

    High: 54 °F

    Slight Chance
    Rain/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 64.

    High: 64 °F

    Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 32. Calm wind.
Tuesday
Increasing clouds, with a high near 58. Calm wind becoming southwest 5 to 8 mph in the afternoon.
Tuesday Night
Rain, mainly after 11pm. Snow level 4400 feet. Low around 37. South southwest wind 7 to 9 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
Rain. Snow level 5100 feet lowering to 4000 feet in the afternoon . High near 50. West wind around 9 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday Night
Rain showers likely before 11pm, then a chance of rain and snow showers. Snow level 3500 feet lowering to 2000 feet after midnight . Mostly cloudy, with a low around 27. West northwest wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday
A slight chance of rain and snow before 11am. Snow level 1900 feet rising to 3300 feet in the afternoon. Mostly sunny, with a high near 54. Chance of precipitation is 20%.
Thursday Night
Mostly clear, with a low around 27.
Friday
Sunny, with a high near 64.
Friday Night
Mostly cloudy, with a low around 34.
Saturday
Partly sunny, with a high near 67.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 39.
Sunday
Rain likely. Mostly cloudy, with a high near 56.
Sunday Night
A chance of rain. Snow level 4800 feet lowering to 3800 feet after midnight . Mostly cloudy, with a low around 35.
Monday
A chance of rain. Snow level 3600 feet rising to 4600 feet in the afternoon. Partly sunny, with a high near 57.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SE Illinois Valley OR
 42.08°N 123.65°W (Elev. 1644 ft)
6:37 pm PDT Apr 13, 2026
8pm PDT Apr 13, 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