Heat Expands for Center of the Nation; Severe Thunderstorms for Plains and Upper Midwest

Dangerous heat expands across the Desert Southwest, Plains, Mississippi Valley and Midwest. Critical fire weather for portions of the Intermountain West. Risk for severe thunderstorms and flash flooding across the Upper Midwest/Great Lakes, Ohio Valley, and portions of the mid-Atlantic. Active monsoonal moisture fuels thunderstorms over the Southwest. Hurricane Fausto in the Pacific, should weaken Read More >

Current conditions at

Tri-Township Airport (KSFY)

Lat: 42.05°NLon: 90.11°WElev: 614ft.

Overcast

80°F

27°C

Humidity 83%
Wind Speed S 3 mph
Barometer 29.90 in
Dewpoint 74°F (23°C)
Visibility 7.00 mi
Heat Index85°F (29°C)
Last update 26 Jul 9:55 am CDT
Extended Forecast for

Hanover 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: A slight chance of sprinkles before 1pm.  Mostly cloudy, with a high near 90. Heat index values as high as 103. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 90 °F

    Slight Chance
    Sprinkles

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly before 4am.  Mostly cloudy, with a low around 76. Southwest wind around 5 mph becoming southeast after midnight.

    Low: 76 °F

    Partly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A slight chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 9am.  Partly sunny, then gradually becoming sunny, with a high near 93. Heat index values as high as 107. Southeast wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph.  Chance of precipitation is 30%.

    High: 93 °F

    Chance
    Showers then
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 71. West wind 5 to 10 mph becoming north after midnight.

    Low: 71 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Tuesday Night

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

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 87.

    High: 87 °F

    Sunny

  • Wednesday Night

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

    Low: 64 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

Today
A slight chance of sprinkles before 1pm. Mostly cloudy, with a high near 90. Heat index values as high as 103. Calm wind becoming southwest around 5 mph in the afternoon.
Tonight
A 30 percent chance of showers and thunderstorms, mainly before 4am. Mostly cloudy, with a low around 76. Southwest wind around 5 mph becoming southeast after midnight.
Monday
A slight chance of showers and thunderstorms before 7am, then a chance of showers between 7am and 9am. Partly sunny, then gradually becoming sunny, with a high near 93. Heat index values as high as 107. Southeast wind 5 to 10 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 71. West wind 5 to 10 mph becoming north after midnight.
Tuesday
Sunny, with a high near 87.
Tuesday Night
Mostly clear, with a low around 64.
Wednesday
Sunny, with a high near 87.
Wednesday Night
Mostly clear, with a low around 64.
Thursday
Mostly sunny, with a high near 87.
Thursday Night
Partly cloudy, with a low around 67.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 85.
Friday Night
Partly cloudy, with a low around 67.
Saturday
Sunny, with a high near 86.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
Hanover IL
 42.25°N 90.3°W (Elev. 817 ft)
9:57 am CDT Jul 26, 2026
10am 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