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.

Light Drizzle Fog/Mist

55°F

13°C

Humidity 94%
Wind Speed W 14 mph
Barometer 29.77 in
Dewpoint 54°F (12°C)
Visibility 2.00 mi
Wind Chill51°F (11°C)
Last update 7 Mar 6:35 am CST
Extended Forecast for

5 Miles NW Donnellson IA

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 42 by 9am. West wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 50 °F⇓

    Decreasing
    Clouds

  • Tonight

    Tonight: Mostly clear, with a low around 33. West wind 5 to 10 mph becoming southwest after midnight.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 65. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 65 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 46. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 46 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 49.

    Low: 49 °F

    Clear

  • Tuesday

    Tuesday: A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.

    High: 73 °F

    Chance
    T-storms then
    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain. Low around 39. Chance of precipitation is 80%.

    Low: 39 °F

    Rain

  • Wednesday

    Wednesday: A 40 percent chance of rain before noon. Cloudy, with a high near 50.

    High: 50 °F

    Chance Rain
    then Mostly
    Cloudy

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a temperature falling to around 42 by 9am. West wind 10 to 15 mph, with gusts as high as 30 mph.
Tonight
Mostly clear, with a low around 33. West wind 5 to 10 mph becoming southwest after midnight.
Sunday
Sunny, with a high near 65. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Clear, with a low around 46. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 73.
Monday Night
Clear, with a low around 49.
Tuesday
A chance of rain and thunderstorms, then rain likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 73. Chance of precipitation is 70%.
Tuesday Night
Rain. Low around 39. Chance of precipitation is 80%.
Wednesday
A 40 percent chance of rain before noon. Cloudy, with a high near 50.
Wednesday Night
Partly cloudy, with a low around 29.
Thursday
Mostly sunny, with a high near 52.
Thursday Night
Mostly cloudy, with a low around 40.
Friday
Mostly cloudy, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NW Donnellson IA
 40.7°N 91.64°W (Elev. 709 ft)
Last Update:
6:26 am CST Mar 7, 2026
Forecast Valid:
6am CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
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