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

36°F

2°C

Humidity 81%
Wind Speed N 3 mph
Barometer 30.30 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 20 Apr 4:35 am CDT
Extended Forecast for

3 Miles NNE Fort Madison IA

Freeze Warning April 20, 04:42am until April 20, 09:00am
Click here for hazard details and duration
...
  •  
    Freeze Warning April 20, 04:42am until April 20, 09:00am

    NOW until 9:00am Mon

    Freeze Warning

  • Today

    High: 64 °F

    Areas Frost
    then Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 52. South wind around 10 mph, with gusts as high as 25 mph.

    Low: 52 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 79. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 79 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 56. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Low: 56 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 79.

    High: 79 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 56. Chance of precipitation is 90%.

    Low: 56 °F

    Showers

Detailed Forecast

Today
Areas of frost before 8am. Otherwise, sunny, with a high near 64. East wind 5 to 10 mph becoming south in the afternoon. Winds could gust as high as 20 mph.
Tonight
Increasing clouds, with a low around 52. South wind around 10 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 79. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 56. Southwest wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Partly sunny, with a high near 79.
Thursday Night
Showers and possibly a thunderstorm. Low around 56. Chance of precipitation is 90%.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 68.
Friday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 46.
Saturday
Mostly sunny, with a high near 66.
Saturday Night
Mostly cloudy, with a low around 46.
Sunday
Mostly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Fort Madison IA
 40.65°N 91.33°W (Elev. 653 ft)
Last Update:
2:21 am CDT Apr 20, 2026
Forecast Valid:
4am CDT Apr 20, 2026-6pm CDT Apr 26, 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