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

72°F

22°C

Humidity 94%
Wind Speed W 8 mph
Barometer 30.08 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 9 Sep 2:15 pm CDT
Extended Forecast for

5 Miles W Fort Madison IA

  • This Afternoon

    This Afternoon: A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 80. Northwest wind around 5 mph. Chance of precipitation is 30%.

    High: 80 °F

    Chance
    Showers

  • Tonight

    Tonight: A 30 percent chance of showers, mainly between 11pm and 2am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 67. Northwest wind around 5 mph becoming calm.

    Low: 67 °F

    Chance
    Showers and
    Patchy Fog

  • Thursday

    Thursday: A 20 percent chance of showers before 10am. Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 81. Northeast wind around 5 mph.

    High: 81 °F

    Slight Chance
    Showers and
    Patchy Fog
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. Northeast wind around 5 mph becoming calm.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Saturday

    Saturday: A 40 percent chance of showers. Mostly sunny, with a high near 86.

    High: 86 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny

Detailed Forecast

This Afternoon
A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 80. Northwest wind around 5 mph. Chance of precipitation is 30%.
Tonight
A 30 percent chance of showers, mainly between 11pm and 2am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 67. Northwest wind around 5 mph becoming calm.
Thursday
A 20 percent chance of showers before 10am. Patchy fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 81. Northeast wind around 5 mph.
Thursday Night
Mostly clear, with a low around 61. Northeast wind around 5 mph becoming calm.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 65.
Saturday
A 40 percent chance of showers. Mostly sunny, with a high near 86.
Saturday Night
Partly cloudy, with a low around 64.
Sunday
Partly sunny, with a high near 85.
Sunday Night
Partly cloudy, with a low around 69.
Monday
A 30 percent chance of showers. Mostly sunny, with a high near 91.
Monday Night
Showers likely and possibly a thunderstorm. Partly cloudy, with a low around 66. Chance of precipitation is 70%.
Tuesday
A 40 percent chance of showers. Partly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Fort Madison IA
 40.61°N 91.44°W (Elev. 551 ft)
Last Update:
1:26 pm CDT Sep 9, 2026
Forecast Valid:
2pm CDT Sep 9, 2026-6pm CDT Sep 15, 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