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Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. Read More >

Hazardous Weather Conditions

Current conditions at

Tri-Township Airport (KSFY)

Lat: 42.05°NLon: 90.11°WElev: 614ft.

Overcast

67°F

19°C

Humidity 86%
Wind Speed S 3 mph
Barometer 29.99 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 25 Jul 6:15 am CDT
Extended Forecast for

Stockton IL

Extreme Heat Watch July 26, 09:00pm until July 27, 10:00pm
Heat Advisory July 26, 11:00am until July 26, 09:00pm
Click here for hazard details and duration
Extreme Heat Watch
Heat Advisory

  • Today

    Today: Mostly cloudy, then gradually becoming sunny, with a high near 82. South wind 5 to 10 mph.

    High: 82 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: Increasing clouds, with a low around 69. Southwest wind around 5 mph.

    Low: 69 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Partly sunny, with a high near 91. Heat index values as high as 103. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 91 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Partly cloudy, with a low around 73. Southwest wind around 10 mph. Chance of precipitation is 30%.

    Low: 73 °F

    Partly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 92.

    High: 92 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

Detailed Forecast

Today
Mostly cloudy, then gradually becoming sunny, with a high near 82. South wind 5 to 10 mph.
Tonight
Increasing clouds, with a low around 69. Southwest wind around 5 mph.
Sunday
Partly sunny, with a high near 91. Heat index values as high as 103. South wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday Night
A chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Partly cloudy, with a low around 73. Southwest wind around 10 mph. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 92.
Monday Night
Mostly clear, with a low around 70.
Tuesday
Mostly sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 65.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 65.
Thursday
Mostly sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 67.
Friday
Mostly sunny, with a high near 86.
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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:
2:52 am CDT Jul 25, 2026
Forecast Valid:
6am CDT Jul 25, 2026-6pm CDT Jul 31, 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