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

75°F

24°C

Humidity 54%
Wind Speed S 7 mph
Barometer 30.04 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 19 Jun 11:55 am CDT
Extended Forecast for

4 Miles W Fort Madison IA

  • Juneteenth

    Juneteenth: Increasing clouds, with a high near 82. Southwest wind around 5 mph.

    High: 82 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 62. West wind around 5 mph.

    Low: 62 °F

    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 84. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm, mainly after 4am. Mostly cloudy, with a low around 63. North wind around 5 mph becoming east after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Mostly Cloudy
    then Showers
    Likely

  • Sunday

    Sunday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 76. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 76 °F

    Heavy Rain

  • Sunday Night

    Sunday Night: A 50 percent chance of showers before 1am. Mostly cloudy, with a low around 59. New precipitation amounts between a quarter and half of an inch possible.

    Low: 59 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Juneteenth
Increasing clouds, with a high near 82. Southwest wind around 5 mph.
Tonight
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 62. West wind around 5 mph.
Saturday
Mostly sunny, with a high near 84. Calm wind becoming northwest around 5 mph in the afternoon.
Saturday Night
Showers likely and possibly a thunderstorm, mainly after 4am. Mostly cloudy, with a low around 63. North wind around 5 mph becoming east after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 76. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
A 50 percent chance of showers before 1am. Mostly cloudy, with a low around 59. New precipitation amounts between a quarter and half of an inch possible.
Monday
Mostly sunny, with a high near 76.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 79.
Tuesday Night
Partly cloudy, with a low around 60.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Fort Madison IA
 40.61°N 91.44°W (Elev. 551 ft)
Last Update:
11:41 am CDT Jun 19, 2026
Forecast Valid:
12pm CDT Jun 19, 2026-6pm CDT Jun 25, 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