National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

Fair

73°F

23°C

Humidity 53%
Wind Speed S 5 mph
Barometer 30.02 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 24 May 8:15 pm CDT
Extended Forecast for

Keokuk IA

  • Tonight

    Tonight: Mostly clear, with a low around 56. Southeast wind around 5 mph becoming calm.

    Low: 56 °F

    Mostly Clear

  • Memorial Day

    Memorial Day: Sunny, with a high near 85. Light southeast wind becoming south 5 to 10 mph in the morning.

    High: 85 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 58. South wind around 5 mph becoming calm in the evening.

    Low: 58 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 86 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 63.

    Low: 63 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 87.

    High: 87 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 63.

    Low: 63 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Mostly clear, with a low around 56. Southeast wind around 5 mph becoming calm.
Memorial Day
Sunny, with a high near 85. Light southeast wind becoming south 5 to 10 mph in the morning.
Monday Night
Clear, with a low around 58. South wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 86. Calm wind becoming southeast around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
Partly sunny, with a high near 87.
Thursday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 63.
Friday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 82. Chance of precipitation is 40%.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 61.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 78.
Saturday Night
Partly cloudy, with a low around 59.
Sunday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Keokuk IA
 40.39°N 91.42°W (Elev. 650 ft)
Last Update:
8:21 pm CDT May 24, 2026
Forecast Valid:
8pm CDT May 24, 2026-6pm CDT May 31, 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