National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Tri-Township Airport (KSFY)

Lat: 42.05°NLon: 90.11°WElev: 614ft.

Fair

51°F

11°C

Humidity 95%
Wind Speed SE 3 mph
Barometer 30.00 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 11 Oct 7:15 am CDT
Extended Forecast for

Stockton IL

  • Today

    Today: Sunny, with a high near 80. South wind 5 to 10 mph.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 63. South wind 5 to 10 mph.

    Low: 63 °F

    Increasing
    Clouds

  • Columbus Day

    Columbus Day: Mostly sunny, with a high near 85. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 85 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers before 1am. Partly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 69.

    High: 69 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Showers likely. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.

    High: 65 °F

    Showers
    Likely

Detailed Forecast

Today
Sunny, with a high near 80. South wind 5 to 10 mph.
Tonight
Increasing clouds, with a low around 63. South wind 5 to 10 mph.
Columbus Day
Mostly sunny, with a high near 85. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 66. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 77.
Tuesday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 55.
Wednesday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 69.
Wednesday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 52.
Thursday
Showers likely. Mostly cloudy, with a high near 65. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 47.
Friday
Partly sunny, with a high near 58. Breezy.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
Mostly sunny, with a high near 54.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Stockton IL
 42.35°N 90°W (Elev. 1010 ft)
Last Update:
5:41 am CDT Oct 11, 2026
Forecast Valid:
7am CDT Oct 11, 2026-6pm CDT Oct 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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