Heat Across the Center of the Nation; Severe Thunderstorms Across the Great Lakes and Ohio Valley

Heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest into Monday. Fire weather concerns continue for portions of the Intermountain West. Active monsoonal moisture fuels thunderstorms over the Southwest with possible flash flooding. Tropical cyclone Fausto in the Pacific, should weaken as it approaches Hawaii; Dangerous surf, swells and rip currents are expected. Read More >

Current conditions at

Tri-Township Airport (KSFY)

Lat: 42.05°NLon: 90.11°WElev: 614ft.

Mostly Cloudy

87°F

31°C

Humidity 74%
Wind Speed SW 5 mph
Barometer 29.89 in
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 26 Jul 1:15 pm CDT
Extended Forecast for

5 Miles SSW Stockton IL

Heat Advisory July 26, 01:31pm until July 27, 10:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 26, 01:31pm until July 27, 10:00pm

    NOW until 10:00pm Mon

    Heat Advisory

  • This Afternoon

    High: 89 °F

    Partly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 3am.  Mostly cloudy, with a low around 75. Southwest wind around 5 mph becoming southeast after midnight.

    Low: 75 °F

    Partly Cloudy
    then Chance
    T-storms

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly before 11am.  Mostly sunny, with a high near 91. Heat index values as high as 105. Southeast wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.

    High: 91 °F

    Chance
    T-storms then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 69. West wind 5 to 10 mph becoming northeast after midnight.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 64.

    Low: 64 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Partly sunny, with a high near 89. Heat index values as high as 102. Southwest wind around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 3am. Mostly cloudy, with a low around 75. Southwest wind around 5 mph becoming southeast after midnight.
Monday
A 40 percent chance of showers and thunderstorms, mainly before 11am. Mostly sunny, with a high near 91. Heat index values as high as 105. Southeast wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 69. West wind 5 to 10 mph becoming northeast after midnight.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 62.
Wednesday
Sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
Mostly cloudy, with a low around 67.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 81.
Friday Night
A 40 percent chance of showers. Partly cloudy, with a low around 65.
Saturday
A 30 percent chance of showers. Mostly sunny, with a high near 83.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Stockton IL
 42.29°N 90.06°W (Elev. 810 ft)
1:27 pm CDT Jul 26, 2026
1pm CDT Jul 26, 2026-6pm CDT Aug 1, 2026
 
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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