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.

Fog/Mist

57°F

14°C

Humidity 94%
Wind Speed SE 20 G 26 mph
Barometer 29.36 in
Dewpoint 55°F (13°C)
Visibility 5.00 mi
Last update 8 Jan 3:55 pm CST
Extended Forecast for

Hamilton ILSimilar City Names

  • This Afternoon

    This Afternoon: A 40 percent chance of rain and thunderstorms. Partly sunny, with a high near 59. South wind around 15 mph, with gusts as high as 25 mph.

    High: 59 °F

    Chance Rain

  • Tonight

    Tonight: A chance of rain and thunderstorms before 11pm, then a slight chance of rain between 11pm and midnight. Increasing clouds, with a low around 39. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 50%.

    Low: 39 °F

    Chance Rain
    and Breezy
    then Mostly
    Cloudy

  • Friday

    Friday: Partly sunny, with a high near 47. North wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 47 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of rain and snow after midnight. Increasing clouds, with a low around 33. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 30%.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Saturday

    Saturday: Mostly sunny, with a high near 40.

    High: 40 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 20.

    Low: 20 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 33.

    High: 33 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
A 40 percent chance of rain and thunderstorms. Partly sunny, with a high near 59. South wind around 15 mph, with gusts as high as 25 mph.
Tonight
A chance of rain and thunderstorms before 11pm, then a slight chance of rain between 11pm and midnight. Increasing clouds, with a low around 39. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 50%.
Friday
Partly sunny, with a high near 47. North wind 5 to 15 mph, with gusts as high as 25 mph.
Friday Night
A chance of rain and snow after midnight. Increasing clouds, with a low around 33. Calm wind becoming northwest around 5 mph after midnight. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 40.
Saturday Night
Mostly cloudy, with a low around 20.
Sunday
Sunny, with a high near 33.
Sunday Night
Mostly clear, with a low around 25.
Monday
Mostly sunny, with a high near 46.
Monday Night
Partly cloudy, with a low around 35.
Tuesday
Mostly cloudy, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 33.
Wednesday
Mostly cloudy, with a high near 37.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hamilton ILSimilar City Names
 40.39°N 91.36°W (Elev. 512 ft)
Last Update:
3:16 pm CST Jan 8, 2026
Forecast Valid:
4pm CST Jan 8, 2026-6pm CST Jan 14, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation