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

13°F

-11°C

Humidity 65%
Wind Speed NW 15 G 21 mph
Barometer 30.09 in
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill-3°F (-19°C)
Last update 17 Mar 2:55 am CDT
Extended Forecast for

Hanover IL

  • Overnight

    Overnight: Partly cloudy, with a steady temperature around 7. Wind chill values as low as -5. Northwest wind around 10 mph.

    Low: 7 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 23. Wind chill values as low as -10. Northwest wind 5 to 10 mph becoming south in the afternoon.

    High: 23 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Snow, mainly after 9pm. Temperature falling to near 19 by 9pm, then rising to around 25 during the remainder of the night. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 19 °F⇑

    Snow

  • Wednesday

    Wednesday: Partly sunny, with a high near 43. South wind around 5 mph becoming west in the afternoon.

    High: 43 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a steady temperature around 7. Wind chill values as low as -5. Northwest wind around 10 mph.
Tuesday
Increasing clouds, with a high near 23. Wind chill values as low as -10. Northwest wind 5 to 10 mph becoming south in the afternoon.
Tuesday Night
Snow, mainly after 9pm. Temperature falling to near 19 by 9pm, then rising to around 25 during the remainder of the night. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Wednesday
Partly sunny, with a high near 43. South wind around 5 mph becoming west in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 32.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
Partly cloudy, with a low around 35.
Friday
Partly sunny, with a high near 62.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 65.
Saturday Night
Partly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 57.
Sunday Night
Mostly cloudy, with a low around 28.
Monday
Partly sunny, with a high near 46.
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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:
2:17 am CDT Mar 17, 2026
Forecast Valid:
3am CDT Mar 17, 2026-6pm CDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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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