National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

Partly Cloudy

64°F

18°C

Humidity 78%
Wind Speed E 8 mph
Barometer 30.21 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 15 Oct 10:15 am CDT
Extended Forecast for

Fort Madison IA

  • Today

    Today: Partly sunny, with a high near 77. Southeast wind around 5 mph becoming calm in the afternoon.

    High: 77 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 60. East wind 5 to 10 mph.

    Low: 60 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 80. Southeast wind around 10 mph.

    High: 80 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 64. South wind 10 to 15 mph.

    Low: 64 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of showers before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers after 4am. Low around 63. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Chance
    Showers then
    Showers

  • Saturday

    Saturday: A 50 percent chance of showers. Partly sunny, with a high near 71.

    High: 71 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 50 percent chance of showers. Partly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 77. Southeast wind around 5 mph becoming calm in the afternoon.
Tonight
Partly cloudy, with a low around 60. East wind 5 to 10 mph.
Thursday
Sunny, with a high near 80. Southeast wind around 10 mph.
Thursday Night
Partly cloudy, with a low around 64. South wind 10 to 15 mph.
Friday
Partly sunny, with a high near 81.
Friday Night
A chance of showers before 1am, then showers and possibly a thunderstorm between 1am and 4am, then showers after 4am. Low around 63. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 50 percent chance of showers. Partly sunny, with a high near 71.
Saturday Night
A 50 percent chance of showers. Partly cloudy, with a low around 48.
Sunday
Sunny, with a high near 62.
Sunday Night
Clear, with a low around 46.
Monday
Sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 51.
Tuesday
Sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fort Madison IA
 40.61°N 91.36°W (Elev. 518 ft)
Last Update:
8:37 am CDT Oct 15, 2025
Forecast Valid:
10am CDT Oct 15, 2025-6pm CDT Oct 21, 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