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.

Fair

79°F

26°C

Humidity 65%
Wind Speed Vrbl 3 mph
Barometer 29.98 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 14 Jun 3:55 pm CDT
Extended Forecast for

4 Miles SSW Denmark IA

  • This Afternoon

    This Afternoon: Partly sunny, with a steady temperature around 78. North wind around 5 mph.

    High: 78 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 65. East wind around 5 mph.

    Low: 65 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 86. Light east wind increasing to 5 to 10 mph in the morning.

    High: 86 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. Southeast wind around 5 mph. Chance of precipitation is 20%.

    Low: 67 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Partly sunny, with a high near 86.

    High: 86 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.

    High: 88 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 70%.

    Low: 69 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms likely. Partly sunny, with a high near 84. Chance of precipitation is 70%.

    High: 84 °F

    T-storms
    Likely

Detailed Forecast

This Afternoon
Partly sunny, with a steady temperature around 78. North wind around 5 mph.
Tonight
Partly cloudy, with a low around 65. East wind around 5 mph.
Sunday
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 86. Light east wind increasing to 5 to 10 mph in the morning.
Sunday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. Southeast wind around 5 mph. Chance of precipitation is 20%.
Monday
Partly sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
Tuesday Night
Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 70%.
Wednesday
Showers and thunderstorms likely. Partly sunny, with a high near 84. Chance of precipitation is 70%.
Wednesday Night
Partly cloudy, with a low around 65.
Juneteenth
Sunny, with a high near 85.
Thursday Night
Mostly clear, with a low around 66.
Friday
Mostly sunny, with a high near 90.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Denmark IA
 40.7°N 91.35°W (Elev. 725 ft)
Last Update:
4:01 pm CDT Jun 14, 2025
Forecast Valid:
4pm 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