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.

Fair

45°F

7°C

Humidity 53%
Wind Speed N 7 mph
Barometer 30.25 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill41°F (5°C)
Last update 19 Apr 9:55 pm CDT
Extended Forecast for

3 Miles NNE Fort Madison IA

Freeze Warning April 20, 12:00am until April 20, 09:00am
Click here for hazard details and duration
Freeze Warning

  • Tonight

    Tonight: Widespread frost, mainly after 5am. Otherwise, clear, with a low around 33. Northeast wind around 5 mph.

    Low: 33 °F

    Clear then
    Frost

  • Monday

    Monday: Widespread frost before 8am. Otherwise, sunny, with a high near 63. East wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.

    High: 63 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 52. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 52 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 78. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 79.

    High: 79 °F

    Sunny then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 55. Chance of precipitation is 80%.

    Low: 55 °F

    Showers

Detailed Forecast

Tonight
Widespread frost, mainly after 5am. Otherwise, clear, with a low around 33. Northeast wind around 5 mph.
Monday
Widespread frost before 8am. Otherwise, sunny, with a high near 63. East wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Monday Night
Partly cloudy, with a low around 52. South wind around 10 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 78. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 58.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 59.
Thursday
A 30 percent chance of showers after 1pm. Mostly sunny, with a high near 79.
Thursday Night
Showers and possibly a thunderstorm. Low around 55. Chance of precipitation is 80%.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 68.
Friday Night
Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Mostly cloudy, with a low around 45.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 65.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Fort Madison IA
 40.65°N 91.33°W (Elev. 653 ft)
Last Update:
8:52 pm CDT Apr 19, 2026
Forecast Valid:
10pm CDT Apr 19, 2026-6pm CDT Apr 26, 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