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.

Overcast

39°F

4°C

Humidity 93%
Wind Speed NW 5 mph
Barometer 30.15 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 1 Nov 6:35 pm CDT
Extended Forecast for

Hamilton ILSimilar City Names

  • Tonight

    Tonight: Isolated showers before 8pm. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 32. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 32 °F

    Isolated
    Showers then
    Patchy Fog

  • Sunday

    Sunday: Patchy fog before 11am. Otherwise, sunny, with a high near 54. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 54 °F

    Patchy Fog
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 38. South wind around 5 mph.

    Low: 38 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 63. Southwest wind around 5 mph becoming northwest in the afternoon.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Tuesday Night

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

    Low: 47 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

Detailed Forecast

Tonight
Isolated showers before 8pm. Patchy fog after 1am. Otherwise, partly cloudy, with a low around 32. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Sunday
Patchy fog before 11am. Otherwise, sunny, with a high near 54. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 38. South wind around 5 mph.
Monday
Sunny, with a high near 63. Southwest wind around 5 mph becoming northwest in the afternoon.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 64.
Wednesday Night
Mostly clear, with a low around 39.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 51.
Friday
Mostly sunny, with a high near 67.
Friday Night
Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 63.
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:
6:36 pm CDT Nov 1, 2025
Forecast Valid:
6pm CDT Nov 1, 2025-6pm CST Nov 8, 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