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

Hazardous Weather Conditions

Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

Fair

12°F

-11°C

Humidity 62%
Wind Speed SE 12 mph
Barometer 30.17 in
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill-2°F (-19°C)
Last update 4 Dec 10:35 pm CST
Extended Forecast for

Hamilton ILSimilar City Names

  • Tonight

    Tonight: Partly cloudy, with a low around 5. Wind chill values as low as -5. South wind 5 to 10 mph.

    Low: 5 °F

    Partly Cloudy

  • Friday

    Friday: Increasing clouds, with a high near 34. Wind chill values as low as zero. Southwest wind around 10 mph.

    High: 34 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 23. Southwest wind 5 to 10 mph becoming northwest after midnight.

    Low: 23 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 30. Northwest wind around 5 mph becoming east in the afternoon.

    High: 30 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 50 percent chance of snow. Cloudy, with a low around 25. New snow accumulation of less than one inch possible.

    Low: 25 °F

    Chance Snow

  • Sunday

    Sunday: Mostly cloudy, with a high near 27.

    High: 27 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 1.

    Low: 1 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 22.

    Low: 22 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 5. Wind chill values as low as -5. South wind 5 to 10 mph.
Friday
Increasing clouds, with a high near 34. Wind chill values as low as zero. Southwest wind around 10 mph.
Friday Night
Mostly cloudy, with a low around 23. Southwest wind 5 to 10 mph becoming northwest after midnight.
Saturday
Partly sunny, with a high near 30. Northwest wind around 5 mph becoming east in the afternoon.
Saturday Night
A 50 percent chance of snow. Cloudy, with a low around 25. New snow accumulation of less than one inch possible.
Sunday
Mostly cloudy, with a high near 27.
Sunday Night
Mostly cloudy, with a low around 1.
Monday
Partly sunny, with a high near 27.
Monday Night
Mostly cloudy, with a low around 22.
Tuesday
Partly sunny, with a high near 36.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 38.
Wednesday Night
Mostly cloudy, with a low around 16.
Thursday
Partly sunny, with a high near 28.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hamilton ILSimilar City Names
 40.39°N 91.36°W (Elev. 512 ft)
Last Update:
8:41 pm CST Dec 4, 2025
Forecast Valid:
10pm CST Dec 4, 2025-6pm CST Dec 11, 2025
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation