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

50°F

10°C

Humidity 43%
Wind Speed SE 13 G 17 mph
Barometer 30.16 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 6 Nov 9:15 am CST
Extended Forecast for

Hamilton ILSimilar City Names

  • Today

    Today: Increasing clouds, with a high near 63. South wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 63 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely after midnight. Cloudy, with a low around 51. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%.

    Low: 51 °F

    Showers
    Likely

  • Friday

    Friday: Sunny, with a high near 67. West wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 40. West wind around 5 mph becoming calm after midnight.

    Low: 40 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Showers likely, mainly after noon. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.

    High: 56 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 27.

    Low: 27 °F

    Chance
    Showers then
    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 37.

    High: 37 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 21.

    Low: 21 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 41.

    High: 41 °F

    Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 63. South wind 10 to 15 mph, with gusts as high as 25 mph.
Tonight
A chance of showers and thunderstorms, then showers likely after midnight. Cloudy, with a low around 51. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%.
Friday
Sunny, with a high near 67. West wind 10 to 15 mph, with gusts as high as 20 mph.
Friday Night
Increasing clouds, with a low around 40. West wind around 5 mph becoming calm after midnight.
Saturday
Showers likely, mainly after noon. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of showers before midnight. Mostly cloudy, with a low around 27.
Sunday
Mostly sunny, with a high near 37.
Sunday Night
Mostly clear, with a low around 21.
Monday
Sunny, with a high near 41.
Monday Night
Partly cloudy, with a low around 26.
Veterans Day
Partly sunny, with a high near 57.
Tuesday Night
Partly cloudy, with a low around 39.
Wednesday
Sunny, with a high near 61.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hamilton ILSimilar City Names
 40.39°N 91.36°W (Elev. 512 ft)
Last Update:
5:31 am CST Nov 6, 2025
Forecast Valid:
9am CST Nov 6, 2025-6pm CST Nov 12, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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