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

64°F

18°C

Humidity 94%
Wind Speed S 6 mph
Barometer 29.67 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 18 Oct 6:35 am CDT
Extended Forecast for

3 Miles S Denmark IA

  • Today

    Today: A 40 percent chance of showers and thunderstorms before 7am. Partly sunny, with a high near 77. West wind 5 to 10 mph.

    High: 77 °F

    Chance
    Showers then
    Partly Sunny

  • Tonight

    Tonight: Showers and thunderstorms likely. Cloudy, with a low around 47. Breezy, with a southwest wind 5 to 10 mph becoming northwest 15 to 20 mph in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Showers
    Likely and
    Breezy

  • Sunday

    Sunday: A 30 percent chance of showers before 7am. Partly sunny, then gradually becoming sunny, with a high near 61. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 61 °F

    Chance
    Showers then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Clear, with a low around 44. West wind 5 to 10 mph becoming south after midnight.

    Low: 44 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 70.

    High: 70 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 37.

    Low: 37 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

Today
A 40 percent chance of showers and thunderstorms before 7am. Partly sunny, with a high near 77. West wind 5 to 10 mph.
Tonight
Showers and thunderstorms likely. Cloudy, with a low around 47. Breezy, with a southwest wind 5 to 10 mph becoming northwest 15 to 20 mph in the evening. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A 30 percent chance of showers before 7am. Partly sunny, then gradually becoming sunny, with a high near 61. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Clear, with a low around 44. West wind 5 to 10 mph becoming south after midnight.
Monday
Sunny, with a high near 70.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 59.
Tuesday Night
Clear, with a low around 37.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 43.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 67.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles S Denmark IA
 40.7°N 91.32°W (Elev. 682 ft)
Last Update:
6:46 am CDT Oct 18, 2025
Forecast Valid:
6am CDT Oct 18, 2025-6pm CDT Oct 24, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation