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.

Fog

66°F

19°C

Humidity 100%
Wind Speed SE 1 mph
Barometer 30.04 in
Dewpoint 66°F (19°C)
Visibility 0.15 mi
Last update 14 Jul 4:35 am CDT
Extended Forecast for

3 Miles NNE Fort Madison IA

Dense Fog Advisory until July 14, 09:00am
Click here for hazard details and duration
Dense Fog Advisory
  •  
    Dense Fog Advisory until July 14, 09:00am

    NOW until 9:00am Mon

    Dense Fog Advisory

  • Overnight

    Low: 65 °F

    Areas Dense
    Fog

  • Monday

    Monday: Areas of dense fog before 10am. Otherwise, mostly sunny, with a high near 87. Calm wind becoming southeast around 5 mph.

    High: 87 °F

    Areas Dense
    Fog then
    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 67. Calm wind.

    Low: 67 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 87. Southeast wind around 5 mph.

    High: 87 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90.

    High: 90 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.

    Low: 71 °F

    Chance
    T-storms

  • Thursday

    Thursday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Overnight
Areas of dense fog. Otherwise, mostly cloudy, with a low around 65. Calm wind.
Monday
Areas of dense fog before 10am. Otherwise, mostly sunny, with a high near 87. Calm wind becoming southeast around 5 mph.
Monday Night
Mostly clear, with a low around 67. Calm wind.
Tuesday
Mostly sunny, with a high near 87. Southeast wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 71.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90.
Wednesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
Thursday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 30%.
Friday
Partly sunny, with a high near 83.
Friday Night
Mostly cloudy, with a low around 69.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Sunday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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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:
4:32 am CDT Jul 14, 2025
Forecast Valid:
4am CDT Jul 14, 2025-6pm CDT Jul 20, 2025
 
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