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.

Light Drizzle

39°F

4°C

Humidity 93%
Wind Speed NW 18 G 26 mph
Barometer 29.83 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill30°F (-1°C)
Last update 11 Mar 8:15 am CDT
Extended Forecast for

Denmark IA

  • Today

    Today: Rain likely, mainly before 2pm. Cloudy, with a high near 43. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.

    High: 43 °F

    Rain Likely
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 28. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 28 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 52. West wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 52 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 40. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph.

    Low: 40 °F

    Slight Chance
    Rain and
    Breezy

  • Friday

    Friday: Partly sunny, with a high near 50.

    High: 50 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 54.

    High: 54 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: A 50 percent chance of rain after 1am. Cloudy, with a low around 40.

    Low: 40 °F

    Cloudy then
    Chance Rain

  • Sunday

    Sunday: Rain likely before 1pm, then rain and snow likely. Cloudy, with a high near 50. Breezy. Chance of precipitation is 70%.

    High: 50 °F

    Rain Likely
    then
    Rain/Snow
    Likely and
    Breezy

Detailed Forecast

Today
Rain likely, mainly before 2pm. Cloudy, with a high near 43. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%.
Tonight
Mostly clear, with a low around 28. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
Increasing clouds, with a high near 52. West wind 5 to 15 mph, with gusts as high as 30 mph.
Thursday Night
A 20 percent chance of rain before 1am. Mostly cloudy, with a low around 40. Breezy, with a south wind 15 to 20 mph, with gusts as high as 35 mph.
Friday
Partly sunny, with a high near 50.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
Mostly cloudy, with a high near 54.
Saturday Night
A 50 percent chance of rain after 1am. Cloudy, with a low around 40.
Sunday
Rain likely before 1pm, then rain and snow likely. Cloudy, with a high near 50. Breezy. Chance of precipitation is 70%.
Sunday Night
Mostly cloudy, with a low around 17. Blustery.
Monday
Sunny, with a high near 30.
Monday Night
Mostly cloudy, with a low around 15.
Tuesday
Mostly cloudy, with a high near 36.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Denmark IA
 40.74°N 91.32°W (Elev. 699 ft)
Last Update:
7:46 am CDT Mar 11, 2026
Forecast Valid:
8am CDT Mar 11, 2026-6pm CDT Mar 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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