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

43°F

6°C

Humidity 71%
Wind Speed W 6 mph
Barometer 30.09 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill39°F (4°C)
Last update 9 Jan 12:15 pm CST
Extended Forecast for

4 Miles NNW Denmark IA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 44. Northwest wind around 5 mph becoming calm.

    High: 44 °F

    Mostly Sunny

  • Tonight

    Tonight: Rain and snow likely between midnight and 5am, then a chance of snow after 5am. Increasing clouds, with a low around 32. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Mostly Cloudy
    then
    Rain/Snow
    Likely

  • Saturday

    Saturday: A chance of snow before noon, then a slight chance of rain and snow between noon and 4pm, then a slight chance of snow after 4pm. Partly sunny, with a high near 37. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 37 °F

    Chance Snow
    then Slight
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 21. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 21 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 33.

    High: 33 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 25.

    Low: 25 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 44. Northwest wind around 5 mph becoming calm.
Tonight
Rain and snow likely between midnight and 5am, then a chance of snow after 5am. Increasing clouds, with a low around 32. Calm wind becoming west around 5 mph after midnight. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Saturday
A chance of snow before noon, then a slight chance of rain and snow between noon and 4pm, then a slight chance of snow after 4pm. Partly sunny, with a high near 37. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 21. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday
Sunny, with a high near 33.
Sunday Night
Mostly clear, with a low around 25.
Monday
Mostly sunny, with a high near 46.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
Partly sunny, with a high near 52.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Mostly cloudy, with a high near 35.
Wednesday Night
Mostly cloudy, with a low around 19.
Thursday
Mostly sunny, with a high near 32.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NNW Denmark IA
 40.81°N 91.38°W (Elev. 643 ft)
Last Update:
12:26 pm CST Jan 9, 2026
Forecast Valid:
12pm CST Jan 9, 2026-6pm CST Jan 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation