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

75°F

24°C

Humidity 89%
Wind Speed S 6 mph
Barometer 30.06 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 16 Aug 7:55 am CDT
Extended Forecast for

4 Miles SSW Farmington IA

Heat Advisory August 16, 12:00pm until August 16, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Mostly sunny and hot, with a high near 95. Heat index values as high as 106. Southwest wind 5 to 10 mph.

    High: 95 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 73. South wind around 5 mph.

    Low: 73 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 95. Heat index values as high as 107. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 95 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74. Calm wind becoming south around 5 mph.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 94.

    High: 94 °F

    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72.

    Low: 72 °F

    Partly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 88. Chance of precipitation is 30%.

    High: 88 °F

    Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 67.

    Low: 67 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny

Detailed Forecast

Today
Mostly sunny and hot, with a high near 95. Heat index values as high as 106. Southwest wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 73. South wind around 5 mph.
Sunday
Sunny and hot, with a high near 95. Heat index values as high as 107. Calm wind becoming southwest around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 74. Calm wind becoming south around 5 mph.
Monday
Sunny, with a high near 94.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 72.
Tuesday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 88. Chance of precipitation is 30%.
Tuesday Night
Mostly cloudy, with a low around 67.
Wednesday
Partly sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
Sunny, with a high near 81.
Thursday Night
Mostly clear, with a low around 62.
Friday
Sunny, with a high near 84.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Farmington IA
 40.58°N 91.76°W (Elev. 705 ft)
Last Update:
8:15 am CDT Aug 16, 2025
Forecast Valid:
8am CDT Aug 16, 2025-6pm CDT Aug 22, 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