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.

Overcast

41°F

5°C

Humidity 87%
Wind Speed W 16 G 26 mph
Barometer 29.82 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 9 Jan 5:35 am CST
Extended Forecast for

Donnellson IA

  • Today

    Today: Cloudy, then gradually becoming mostly sunny, with a steady temperature around 41. Northwest wind 10 to 15 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 41 °F

    Decreasing
    Clouds

  • Tonight

    Tonight: A slight chance of rain between midnight and 2am, then a chance of rain and snow. Mostly cloudy, with a low around 29. North wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 40%.

    Low: 29 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Saturday

    Saturday: A slight chance of snow after noon, mixing with rain after 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 40. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 40 °F

    Mostly Sunny
    then Slight
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A 20 percent chance of snow before 7pm. Partly cloudy, with a low around 20. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 20 °F

    Slight Chance
    Snow then
    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: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy

Detailed Forecast

Today
Cloudy, then gradually becoming mostly sunny, with a steady temperature around 41. Northwest wind 10 to 15 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 30 mph.
Tonight
A slight chance of rain between midnight and 2am, then a chance of rain and snow. Mostly cloudy, with a low around 29. North wind 5 to 10 mph becoming west after midnight. Chance of precipitation is 40%.
Saturday
A slight chance of snow after noon, mixing with rain after 3pm. Mostly cloudy, then gradually becoming sunny, with a high near 40. West wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Saturday Night
A 20 percent chance of snow before 7pm. Partly cloudy, with a low around 20. 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
Mostly cloudy, with a low around 36.
Tuesday
Mostly cloudy, with a high near 50.
Tuesday Night
Mostly cloudy, with a low around 31.
Wednesday
Mostly cloudy, with a high near 36.
Wednesday Night
Partly cloudy, with a low around 21.
Thursday
Partly sunny, with a high near 35.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Donnellson IA
 40.66°N 91.56°W (Elev. 699 ft)
Last Update:
5:06 am CST Jan 9, 2026
Forecast Valid:
5am CST Jan 9, 2026-6pm CST Jan 15, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation