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.

Fair

68°F

20°C

Humidity 94%
Wind Speed NE 5 mph
Barometer 29.94 in
Dewpoint 66°F (19°C)
Visibility 8.00 mi
Last update 13 Jun 11:55 pm CDT
Extended Forecast for

Fort Madison IA

  • Overnight

    Overnight: Mostly cloudy, with a low around 67. Northeast wind around 5 mph.

    Low: 67 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 84. Northeast wind around 5 mph.

    High: 84 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64. Northeast wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 86. East wind around 5 mph.

    High: 86 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70.

    Low: 70 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88.

    High: 88 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.

    Low: 71 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Overnight
Mostly cloudy, with a low around 67. Northeast wind around 5 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 84. Northeast wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 64. Northeast wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 86. East wind around 5 mph.
Sunday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 68.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 70.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 88.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%.
Wednesday
Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 85. Chance of precipitation is 70%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Juneteenth
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 65.
Friday
Sunny, with a high near 86.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fort Madison IA
 40.63°N 91.35°W (Elev. 541 ft)
Last Update:
9:47 pm CDT Jun 13, 2025
Forecast Valid:
12am CDT Jun 14, 2025-6pm CDT Jun 20, 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