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 Rain Fog/Mist

45°F

7°C

Humidity 100%
Wind Speed NW 15 mph
Barometer 29.69 in
Dewpoint 45°F (7°C)
Visibility 6.00 mi
Wind Chill38°F (3°C)
Last update 11 Mar 3:15 am CDT
Extended Forecast for

5 Miles W Donnellson IA

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms. Cloudy, with a steady temperature around 49. Northwest wind around 10 mph.

    Low: 49 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Rain and thunderstorms likely before 10am, then a chance of rain between 10am and 2pm. Mostly cloudy, with a high near 44. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.

    High: 44 °F

    Breezy.
    Showers
    Likely then
    Chance Rain

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 29. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 29 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 54. West wind 5 to 15 mph, with gusts as high as 30 mph.

    High: 54 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 52.

    High: 52 °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 55.

    High: 55 °F

    Mostly Cloudy

  • Saturday Night

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

    Low: 40 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms. Cloudy, with a steady temperature around 49. Northwest wind around 10 mph.
Wednesday
Rain and thunderstorms likely before 10am, then a chance of rain between 10am and 2pm. Mostly cloudy, with a high near 44. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%.
Wednesday Night
Mostly clear, with a low around 29. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
Increasing clouds, with a high near 54. West wind 5 to 15 mph, with gusts as high as 30 mph.
Thursday Night
Mostly cloudy, with a low around 41.
Friday
Partly sunny, with a high near 52.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
Mostly cloudy, with a high near 55.
Saturday Night
A 40 percent chance of rain after 1am. Mostly cloudy, with a low around 40.
Sunday
Rain likely before 1pm, then a chance of rain and snow. 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 31.
Monday Night
Mostly cloudy, with a low around 15.
Tuesday
Mostly cloudy, with a high near 37.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Donnellson IA
 40.64°N 91.64°W (Elev. 650 ft)
Last Update:
2:26 am CDT Mar 11, 2026
Forecast Valid:
3am CDT Mar 11, 2026-6pm CDT Mar 17, 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