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

64°F

18°C

Humidity 78%
Wind Speed S 8 mph
Barometer 30.03 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 6 Oct 2:35 am CDT
Extended Forecast for

Hamilton IL

  • Overnight

    Overnight: Mostly clear, with a low around 64. South wind around 5 mph.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 84. Southwest wind around 5 mph.

    High: 84 °F

    Mostly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Increasing clouds, with a low around 57. North wind 5 to 10 mph. Chance of precipitation is 70%.

    Low: 57 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 69. North wind around 10 mph. Chance of precipitation is 20%.

    High: 69 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 1am. Partly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Clear
    then Chance
    Showers

Detailed Forecast

Overnight
Mostly clear, with a low around 64. South wind around 5 mph.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Mostly sunny, with a high near 84. Southwest wind around 5 mph.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Increasing clouds, with a low around 57. North wind 5 to 10 mph. Chance of precipitation is 70%.
Tuesday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 69. North wind around 10 mph. Chance of precipitation is 20%.
Tuesday Night
Mostly clear, with a low around 46.
Wednesday
Sunny, with a high near 72.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
Sunny, with a high near 72.
Thursday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 52.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hamilton IL
 40.39°N 91.39°W (Elev. 574 ft)
Last Update:
11:31 pm CDT Oct 5, 2025
Forecast Valid:
2am CDT Oct 6, 2025-6pm CDT Oct 12, 2025
 
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