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.

Fair

57°F

14°C

Humidity 59%
Wind Speed S 12 mph
Barometer 29.98 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 21 Apr 5:35 am CDT
Extended Forecast for

3 Miles NNE Fort Madison IA

  • Today

    Today: Mostly sunny, with a high near 79. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 79 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 78. South wind around 10 mph.

    High: 78 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59. South wind 5 to 10 mph.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers likely, then showers and possibly a thunderstorm after 7pm. Low around 58. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 58 °F

    Showers
    Likely then
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms. Mostly sunny, with a high near 70. Chance of precipitation is 50%.

    High: 70 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 79. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Tonight
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 58. Southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 78. South wind around 10 mph.
Wednesday Night
Mostly clear, with a low around 59. South wind 5 to 10 mph.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Showers likely, then showers and possibly a thunderstorm after 7pm. Low around 58. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 70. Chance of precipitation is 50%.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
Mostly cloudy, with a low around 48.
Sunday
Partly sunny, with a high near 69.
Sunday Night
Showers likely. Mostly cloudy, with a low around 52. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Fort Madison IA
 40.65°N 91.33°W (Elev. 653 ft)
Last Update:
5:38 am CDT Apr 21, 2026
Forecast Valid:
5am CDT Apr 21, 2026-6pm CDT Apr 27, 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