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.

Partly Cloudy

64°F

18°C

Humidity 73%
Wind Speed NW 7 mph
Barometer 29.99 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 24 May 3:15 am CDT
Extended Forecast for

Fort Madison IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 57. North wind around 5 mph.

    Low: 57 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 82. North wind around 5 mph.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 57. South wind around 5 mph.

    Low: 57 °F

    Clear

  • Memorial Day

    Memorial Day: Sunny, with a high near 84. South wind 5 to 10 mph.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy
    then Chance
    T-storms

  • Wednesday

    Wednesday: Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 85. Chance of precipitation is 60%.

    High: 85 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 64.

    Low: 64 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Mostly cloudy, with a low around 57. North wind around 5 mph.
Sunday
Sunny, with a high near 82. North wind around 5 mph.
Sunday Night
Clear, with a low around 57. South wind around 5 mph.
Memorial Day
Sunny, with a high near 84. South wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Mostly sunny, with a high near 86.
Tuesday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 64.
Wednesday
Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 85. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 64.
Thursday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 84.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 58.
Saturday
Mostly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fort Madison IA
 40.63°N 91.33°W (Elev. 525 ft)
Last Update:
2:56 am CDT May 24, 2026
Forecast Valid:
3am CDT May 24, 2026-6pm CDT May 30, 2026
 
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