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.

A Few Clouds

72°F

22°C

Humidity 94%
Wind Speed E 7 mph
Barometer 30.04 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Last update 30 Jul 11:15 am CDT
Extended Forecast for

3 Miles ENE Denmark IA

Flood Watch until July 31, 07:00am
Flood Warning July 31, 10:13am until August 4, 04:30pm
Click here for hazard details and duration
Flood Watch
Flood Warning
  •  
    Flood Watch until July 31, 07:00am

    NOW until 7:00am Thu

    Flood Watch

  • Today

    High: 81 °F

    T-storms
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm, mainly before 5am, then scattered showers and thunderstorms after 5am. Low around 64. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Scattered showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Partly sunny, with a high near 75. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.

    High: 75 °F

    Scattered
    Showers

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 57. Northeast wind 5 to 10 mph.

    Low: 57 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 76.

    High: 76 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 56.

    Low: 56 °F

    Partly Cloudy

Detailed Forecast

Today
Showers and thunderstorms likely, mainly before 1pm. Cloudy, with a high near 81. North wind around 5 mph becoming southeast in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and possibly a thunderstorm, mainly before 5am, then scattered showers and thunderstorms after 5am. Low around 64. Northeast wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Scattered showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Partly sunny, with a high near 75. Northeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%.
Thursday Night
Partly cloudy, with a low around 57. Northeast wind 5 to 10 mph.
Friday
Sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Sunny, with a high near 76.
Saturday Night
Partly cloudy, with a low around 56.
Sunday
Mostly sunny, with a high near 77.
Sunday Night
Mostly cloudy, with a low around 60.
Monday
Partly sunny, with a high near 79.
Monday Night
Partly cloudy, with a low around 63.
Tuesday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ENE Denmark IA
 40.76°N 91.26°W (Elev. 689 ft)
Last Update:
9:33 am CDT Jul 30, 2025
Forecast Valid:
11am CDT Jul 30, 2025-6pm CDT Aug 5, 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