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

Hazardous Weather Conditions

Current conditions at

Tri-Township Airport (KSFY)

Lat: 42.05°NLon: 90.11°WElev: 614ft.

Fair

74°F

23°C

Humidity 66%
Wind Speed SE 5 mph
Barometer 30.01 in
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 25 Aug 7:15 pm CDT
Extended Forecast for

Hanover IL

  • Tonight

    Tonight: A chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 66. South wind around 5 mph. Chance of precipitation is 30%.

    Low: 66 °F

    Mostly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: Partly sunny, then gradually becoming sunny, with a high near 84. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.

    High: 84 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. Northwest wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. North wind around 5 mph.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 56.

    Low: 56 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 82.

    High: 82 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
A chance of showers and thunderstorms between 1am and 4am, then a slight chance of showers after 4am. Mostly cloudy, with a low around 66. South wind around 5 mph. Chance of precipitation is 30%.
Wednesday
Partly sunny, then gradually becoming sunny, with a high near 84. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 62. Northwest wind around 5 mph becoming calm in the evening.
Thursday
Sunny, with a high near 82. North wind around 5 mph.
Thursday Night
Clear, with a low around 56.
Friday
Sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Partly sunny, with a high near 82.
Saturday Night
A 40 percent chance of showers after 1am. Mostly cloudy, with a low around 66.
Sunday
Partly sunny, with a high near 86.
Sunday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 69.
Monday
Partly sunny, with a high near 85.
Monday Night
A 30 percent chance of showers. Partly cloudy, with a low around 66.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 84.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hanover IL
 42.25°N 90.27°W (Elev. 604 ft)
Last Update:
2:01 pm CDT Aug 25, 2026
Forecast Valid:
7pm CDT Aug 25, 2026-6pm CDT Sep 1, 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