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.

Mostly Cloudy

77°F

25°C

Humidity 69%
Wind Speed E 7 mph
Barometer 30.05 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 13 Jul 1:55 pm CDT
Extended Forecast for

Fort Madison IA

Flood Warning July 14, 01:00am until July 16, 07:00am
Click here for hazard details and duration
Flood Warning

  • This Afternoon

    This Afternoon: A 20 percent chance of showers and thunderstorms before 4pm. Partly sunny, with a high near 81. Calm wind.

    High: 81 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 87. Calm wind becoming south around 5 mph.

    High: 87 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 70. Southeast wind around 5 mph.

    Low: 70 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 68.

    Low: 68 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 30 percent chance of showers after 1pm. Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms before 4pm. Partly sunny, with a high near 81. Calm wind.
Tonight
Mostly clear, with a low around 66. Calm wind.
Monday
Sunny, with a high near 87. Calm wind becoming south around 5 mph.
Monday Night
Mostly clear, with a low around 70. Southeast wind around 5 mph.
Tuesday
Mostly sunny, with a high near 88.
Tuesday Night
Partly cloudy, with a low around 72.
Wednesday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89.
Wednesday Night
A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 68.
Thursday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 83.
Thursday Night
Partly cloudy, with a low around 66.
Friday
Partly sunny, with a high near 82.
Friday Night
Partly cloudy, with a low around 68.
Saturday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fort Madison IA
 40.61°N 91.36°W (Elev. 518 ft)
Last Update:
12:02 pm CDT Jul 13, 2025
Forecast Valid:
2pm CDT Jul 13, 2025-6pm CDT Jul 19, 2025
 
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