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

52°F

11°C

Humidity 50%
Wind Speed W 17 mph
Barometer 30.30 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Wind Chill47°F (8°C)
Last update 5 Apr 1:15 pm CDT
Extended Forecast for

3 Miles NW Donnellson IA

  • This Afternoon

    This Afternoon: Sunny, with a high near 56. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 56 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 36. West wind 5 to 10 mph.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Increasing clouds, with a high near 52. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 52 °F

    Increasing
    Clouds

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30. Northwest wind 5 to 10 mph becoming northeast after midnight.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of snow showers before 1pm, then a chance of rain and snow showers between 1pm and 4pm, then a chance of rain showers after 4pm. Mostly cloudy, with a high near 45. Chance of precipitation is 30%.

    High: 45 °F

    Chance Snow
    Showers then
    Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 39.

    Low: 39 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 72.

    High: 72 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 51.

    Low: 51 °F

    Chance
    Showers

  • Thursday

    Thursday: A 50 percent chance of showers. Partly sunny, with a high near 68.

    High: 68 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 56. Northwest wind around 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 36. West wind 5 to 10 mph.
Monday
Increasing clouds, with a high near 52. Northwest wind 10 to 15 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 30. Northwest wind 5 to 10 mph becoming northeast after midnight.
Tuesday
A chance of snow showers before 1pm, then a chance of rain and snow showers between 1pm and 4pm, then a chance of rain showers after 4pm. Mostly cloudy, with a high near 45. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 72.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 51.
Thursday
A 50 percent chance of showers. Partly sunny, with a high near 68.
Thursday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 48.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 66.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 49.
Saturday
Showers likely. Mostly cloudy, with a high near 68. Chance of precipitation is 60%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NW Donnellson IA
 40.68°N 91.61°W (Elev. 650 ft)
Last Update:
12:18 pm CDT Apr 5, 2026
Forecast Valid:
1pm CDT Apr 5, 2026-6pm CDT Apr 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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