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 and Breezy

37°F

3°C

Humidity 60%
Wind Speed W 21 G 35 mph
Barometer 29.92 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 26 Nov 1:55 am CST
Extended Forecast for

4 Miles W Donnellson IA

Wind Advisory November 26, 02:04am until November 26, 03:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory November 26, 02:04am until November 26, 03:00pm

    NOW until 3:00pm Wed

    Wind Advisory

  • Overnight

    Low: 32 °F

    Cloudy and
    Breezy

  • Wednesday

    Wednesday: Cloudy through mid morning, then gradual clearing, with a high near 40. Breezy, with a northwest wind 15 to 25 mph, with gusts as high as 45 mph.

    High: 40 °F

    Becoming
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 23. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 23 °F

    Partly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Sunny, with a high near 37. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 37 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 17.

    Low: 17 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Snow, mainly after midnight. Low around 27. Chance of precipitation is 80%.

    Low: 27 °F

    Chance Snow
    then Snow

  • Saturday

    Saturday: Rain and snow. High near 35. Chance of precipitation is 90%.

    High: 35 °F

    Rain/Snow

Detailed Forecast

Overnight
Cloudy, with a low around 32. Breezy, with a west wind around 25 mph, with gusts as high as 40 mph.
Wednesday
Cloudy through mid morning, then gradual clearing, with a high near 40. Breezy, with a northwest wind 15 to 25 mph, with gusts as high as 45 mph.
Wednesday Night
Partly cloudy, with a low around 23. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Thanksgiving Day
Sunny, with a high near 37. Northwest wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
Mostly clear, with a low around 17.
Friday
Mostly sunny, with a high near 34.
Friday Night
Snow, mainly after midnight. Low around 27. Chance of precipitation is 80%.
Saturday
Rain and snow. High near 35. Chance of precipitation is 90%.
Saturday Night
A chance of rain and snow before midnight, then a chance of snow. Cloudy, with a low around 21. Chance of precipitation is 50%.
Sunday
Partly sunny, with a high near 28.
Sunday Night
Mostly cloudy, with a low around 9.
Monday
Partly sunny, with a high near 24.
Monday Night
Mostly cloudy, with a low around 8.
Tuesday
Mostly sunny, with a high near 26.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles W Donnellson IA
 40.64°N 91.64°W (Elev. 650 ft)
Last Update:
2:01 am CST Nov 26, 2025
Forecast Valid:
2am CST Nov 26, 2025-6pm CST Dec 2, 2025
 
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