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

61°F

16°C

Humidity 100%
Wind Speed NE 2 mph
Barometer 30.01 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 11 Sep 12:15 am CDT
Extended Forecast for

Keokuk IA

  • Overnight

    Overnight: Patchy fog. Otherwise, partly cloudy, with a low around 63. Calm wind.

    Low: 63 °F

    Patchy Fog

  • Friday

    Friday: Patchy fog before 9am. Otherwise, mostly sunny, with a high near 83. Southeast wind around 5 mph.

    High: 83 °F

    Patchy Fog
    then Mostly
    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 66. South wind around 5 mph.

    Low: 66 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Partly sunny, with a high near 86. South wind around 5 mph. Chance of precipitation is 20%.

    High: 86 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers before 1am. Partly cloudy, with a low around 63.

    Low: 63 °F

    Chance
    Showers

  • Sunday

    Sunday: A 30 percent chance of showers before 1pm. Partly sunny, with a high near 81.

    High: 81 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Mostly Cloudy
    then Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers. Mostly clear, with a low around 68.

    Low: 68 °F

    Chance
    Showers

Detailed Forecast

Overnight
Patchy fog. Otherwise, partly cloudy, with a low around 63. Calm wind.
Friday
Patchy fog before 9am. Otherwise, mostly sunny, with a high near 83. Southeast wind around 5 mph.
Friday Night
Increasing clouds, with a low around 66. South wind around 5 mph.
Saturday
A slight chance of showers and thunderstorms before 10am, then a slight chance of showers between 10am and 1pm. Partly sunny, with a high near 86. South wind around 5 mph. Chance of precipitation is 20%.
Saturday Night
A 40 percent chance of showers before 1am. Partly cloudy, with a low around 63.
Sunday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 81.
Sunday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 65.
Monday
Mostly sunny, with a high near 87.
Monday Night
A 40 percent chance of showers. Mostly clear, with a low around 68.
Tuesday
Showers likely, mainly after 1pm. Mostly sunny, with a high near 83. Chance of precipitation is 60%.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
Wednesday
Showers likely. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 62.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Keokuk IA
 40.41°N 91.39°W (Elev. 650 ft)
Last Update:
10:21 pm CDT Sep 10, 2026
Forecast Valid:
12am CDT Sep 11, 2026-6pm CDT Sep 17, 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