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.

A Few Clouds

81°F

27°C

Humidity 45%
Wind Speed S 13 G 21 mph
Barometer 29.73 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 17 Oct 4:15 pm CDT
Extended Forecast for

Carthage IL

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 81. South wind around 15 mph, with gusts as high as 25 mph.

    High: 81 °F

    Mostly Sunny

  • Tonight

    Tonight: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Increasing clouds, with a low around 64. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

    Low: 64 °F

    Partly Cloudy
    then Showers
    Likely

  • Saturday

    Saturday: A 40 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 80. Southwest wind around 10 mph, with gusts as high as 20 mph.

    High: 80 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then showers likely after 1am. Mostly cloudy, with a low around 48. South wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 48 °F

    Showers
    Likely

  • Sunday

    Sunday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 59.

    High: 59 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 81. South wind around 15 mph, with gusts as high as 25 mph.
Tonight
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 3am. Increasing clouds, with a low around 64. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Saturday
A 40 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 80. Southwest wind around 10 mph, with gusts as high as 20 mph.
Saturday Night
A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 1am, then showers likely after 1am. Mostly cloudy, with a low around 48. South wind 10 to 15 mph becoming northwest after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 70%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday
Sunny, with a high near 61.
Sunday Night
Clear, with a low around 45.
Monday
Sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 47.
Tuesday
Sunny, with a high near 59.
Tuesday Night
Mostly clear, with a low around 37.
Wednesday
Sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 45.
Thursday
Mostly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Carthage IL
 40.41°N 91.13°W (Elev. 676 ft)
Last Update:
4:16 pm CDT Oct 17, 2025
Forecast Valid:
4pm CDT Oct 17, 2025-6pm CDT Oct 23, 2025
 
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Additional Resources

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Chance of Precipitation