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

73°F

23°C

Humidity 94%
Wind Speed E 8 mph
Barometer 30.03 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 14 Aug 9:55 am CDT
Extended Forecast for

Franklin IA

Flood Watch August 14, 10:17am until August 15, 10:00am
Click here for hazard details and duration
Flood Watch
  •  
    Flood Watch August 14, 10:17am until August 15, 10:00am

    NOW until 10:00am Sat

    Flood Watch

  • Today

    High: 86 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 73. East wind around 10 mph becoming south after midnight. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 73 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: A chance of showers and thunderstorms before 11am, then a slight chance of showers between 11am and noon. Mostly cloudy, with a high near 90. Heat index values as high as 108. South wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 50%.

    High: 90 °F

    Chance
    Showers then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 73. West wind around 5 mph becoming calm. Chance of precipitation is 60%.

    Low: 73 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 85.

    High: 85 °F

    Mostly Cloudy
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 81.

    High: 81 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 63.

    Low: 63 °F

    Mostly Clear

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms, mainly between noon and 5pm. Partly sunny, with a high near 86. Heat index values as high as 100. East wind 5 to 10 mph.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 73. East wind around 10 mph becoming south after midnight. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Saturday
A chance of showers and thunderstorms before 11am, then a slight chance of showers between 11am and noon. Mostly cloudy, with a high near 90. Heat index values as high as 108. South wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 50%.
Saturday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 73. West wind around 5 mph becoming calm. Chance of precipitation is 60%.
Sunday
A 30 percent chance of showers after 1pm. Mostly cloudy, with a high near 85.
Sunday Night
Partly cloudy, with a low around 66.
Monday
Sunny, with a high near 81.
Monday Night
Mostly clear, with a low around 63.
Tuesday
Sunny, with a high near 84.
Tuesday Night
A 30 percent chance of showers after 1am. Partly cloudy, with a low around 68.
Wednesday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 66.
Thursday
Partly sunny, with a high near 79.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Franklin IA
 40.66°N 91.5°W (Elev. 623 ft)
Last Update:
4:01 am CDT Aug 14, 2026
Forecast Valid:
10am CDT Aug 14, 2026-6pm CDT Aug 20, 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