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.

Overcast

81°F

27°C

Humidity 74%
Wind Speed S 5 mph
Barometer 30.07 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 6 Aug 1:35 pm CDT
Extended Forecast for

4 Miles SSW Danville IA

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 79. South wind around 5 mph becoming calm.

    High: 79 °F

    Partly Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 67. Calm wind.

    Low: 67 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 86 °F

    Decreasing
    Clouds

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms, mainly before 10pm. Increasing clouds, with a low around 67. Southwest wind around 5 mph becoming northwest after midnight.

    Low: 67 °F

    Chance
    T-storms then
    Mostly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Saturday Night

    Saturday Night: A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 68. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Partly sunny, with a high near 88. Chance of precipitation is 40%.

    High: 88 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.

    Low: 71 °F

    Mostly Clear
    then Chance
    T-storms

  • Monday

    Monday: Partly sunny, with a high near 89.

    High: 89 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 79. South wind around 5 mph becoming calm.
Tonight
Increasing clouds, with a low around 67. Calm wind.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 86. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
A 30 percent chance of showers and thunderstorms, mainly before 10pm. Increasing clouds, with a low around 67. Southwest wind around 5 mph becoming northwest after midnight.
Saturday
Sunny, with a high near 84.
Saturday Night
A chance of showers before 10pm, then a chance of showers and thunderstorms between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 68. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Partly sunny, with a high near 88. Chance of precipitation is 40%.
Sunday Night
A 30 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.
Monday
Partly sunny, with a high near 89.
Monday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 68.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Danville IA
 40.81°N 91.35°W (Elev. 702 ft)
Last Update:
1:26 pm CDT Aug 6, 2026
Forecast Valid:
1pm CDT Aug 6, 2026-6pm CDT Aug 12, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

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Chance of Precipitation