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

34°F

1°C

Humidity 81%
Wind Speed E 2 mph
Barometer 30.29 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 20 Apr 5:15 am CDT
Extended Forecast for

Keokuk IA

Freeze Warning April 20, 05:35am until April 20, 09:00am
Click here for hazard details and duration
...
  •  
    Freeze Warning April 20, 05:35am until April 20, 09:00am

    NOW until 9:00am Mon

    Freeze Warning

  • Today

    High: 66 °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 80. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 80 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 58. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 58 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: Sunny, with a high near 79.

    High: 79 °F

    Sunny

  • Wednesday Night

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

    Low: 59 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 81.

    High: 81 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 58. Chance of precipitation is 90%.

    Low: 58 °F

    Showers

Detailed Forecast

Today
Areas of frost before 8am. Otherwise, sunny, with a high near 66. East wind 5 to 10 mph becoming south in the afternoon.
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 80. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 58. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Partly cloudy, with a low around 59.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Showers and possibly a thunderstorm. Low around 58. Chance of precipitation is 90%.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 69.
Friday Night
A 30 percent chance of showers before 1am. Partly cloudy, with a low around 47.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Mostly cloudy, with a low around 47.
Sunday
A 30 percent chance of showers. Mostly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Keokuk IA
 40.39°N 91.39°W (Elev. 574 ft)
Last Update:
2:21 am CDT Apr 20, 2026
Forecast Valid:
5am 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