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.

Fair

68°F

20°C

Humidity 94%
Wind Speed NE 3 mph
Barometer 29.95 in
Dewpoint 66°F (19°C)
Visibility 8.00 mi
Last update 14 Jun 12:55 am CDT
Extended Forecast for

4 Miles SSE Denmark IA

  • Overnight

    Overnight: Patchy fog. Otherwise, mostly cloudy, with a low around 66. Northeast wind around 5 mph.

    Low: 66 °F

    Patchy Fog

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 83. Northeast wind around 5 mph.

    High: 83 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 65. East wind around 5 mph becoming calm after midnight.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 85. Southeast wind around 5 mph.

    High: 85 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69.

    Low: 69 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. Chance of precipitation is 70%.

    Low: 71 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Overnight
Patchy fog. Otherwise, mostly cloudy, with a low around 66. Northeast wind around 5 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 83. Northeast wind around 5 mph.
Saturday Night
Partly cloudy, with a low around 65. East wind around 5 mph becoming calm after midnight.
Sunday
Mostly sunny, with a high near 85. Southeast wind around 5 mph.
Sunday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 67.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 69.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. Chance of precipitation is 70%.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 85. Chance of precipitation is 70%.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Juneteenth
Sunny, with a high near 83.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 86.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSE Denmark IA
 40.7°N 91.29°W (Elev. 653 ft)
Last Update:
12:46 am CDT Jun 14, 2025
Forecast Valid:
1am CDT Jun 14, 2025-6pm CDT Jun 20, 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