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

34°F

1°C

Humidity 100%
Wind Speed S 9 mph
Barometer 29.98 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 8 Mar 2:35 am CDT
Extended Forecast for

Fort Madison IA

  • Overnight

    Overnight: Mostly clear, with a low around 33. South wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 65. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 65 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Clear, with a low around 46. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 46 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 74. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 74 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Tuesday

    Tuesday: Rain likely and possibly a thunderstorm, mainly after 3pm. Partly sunny, with a high near 79. Chance of precipitation is 70%.

    High: 79 °F

    Mostly Sunny
    then Rain
    Likely

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 42. Chance of precipitation is 100%.

    Low: 42 °F

    T-storms then
    Rain

  • Wednesday

    Wednesday: Rain likely, mainly before noon. Mostly cloudy, with a high near 52. Chance of precipitation is 70%.

    High: 52 °F

    Rain Likely
    then Chance
    Rain

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 33. South wind 5 to 10 mph, with gusts as high as 20 mph.
Sunday
Sunny, with a high near 65. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Clear, with a low around 46. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 74. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly clear, with a low around 54.
Tuesday
Rain likely and possibly a thunderstorm, mainly after 3pm. Partly sunny, with a high near 79. Chance of precipitation is 70%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 42. Chance of precipitation is 100%.
Wednesday
Rain likely, mainly before noon. Mostly cloudy, with a high near 52. Chance of precipitation is 70%.
Wednesday Night
Mostly clear, with a low around 28.
Thursday
Partly sunny, with a high near 52.
Thursday Night
Mostly cloudy, with a low around 44.
Friday
Mostly sunny, with a high near 59.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
Mostly cloudy, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fort Madison IA
 40.61°N 91.38°W (Elev. 525 ft)
Last Update:
12:26 am CST Mar 8, 2026
Forecast Valid:
1am CST Mar 8, 2026-6pm CDT Mar 14, 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