Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

Light Rain Fog/Mist

61°F

16°C

Humidity 94%
Wind Speed E 18 G 28 mph
Barometer 29.78 in
Dewpoint 59°F (15°C)
Visibility 5.00 mi
Last update 21 Jun 10:35 am CDT
Extended Forecast for

Fort Madison IA

Flood Watch until June 21, 07:00pm
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch until June 21, 07:00pm

    NOW until 7:00pm Sun

    Flood Watch

  • Today

    High: 68 °F

    Heavy Rain

  • Tonight

    Tonight: A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am.  Mostly cloudy, with a low around 58. North wind 10 to 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 40%.

    Low: 58 °F

    Chance
    Showers

  • Monday

    Monday: Partly sunny, with a high near 76. North wind around 10 mph.

    High: 76 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 58. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 58 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 61.

    Low: 61 °F

    Mostly Clear

Detailed Forecast

Today
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. Some of the storms could produce heavy rainfall. High near 68. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Tonight
A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 1am. Mostly cloudy, with a low around 58. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Monday
Partly sunny, with a high near 76. North wind around 10 mph.
Monday Night
Mostly clear, with a low around 58. Northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Mostly sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Mostly clear, with a low around 61.
Friday
Mostly sunny, with a high near 81.
Friday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 65.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84.
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ABOUT THIS FORECAST

 
Point Forecast:
Fort Madison IA
 40.61°N 91.36°W (Elev. 518 ft)
9:42 am CDT Jun 21, 2026
10am CDT Jun 21, 2026-6pm CDT Jun 27, 2026
 
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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