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

52°F

11°C

Humidity 88%
Wind Speed SE 5 mph
Barometer 29.97 in
Dewpoint 48°F (9°C)
Visibility 9.00 mi
Wind Chill51°F (11°C)
Last update 5 Mar 2:15 pm CST
Extended Forecast for

Carthage IL

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 59. Southwest wind around 5 mph becoming calm.

    High: 59 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of rain, with thunderstorms also possible after 3am. Areas of dense fog after 8pm. Otherwise, mostly cloudy, with a low around 48. Light south wind becoming southeast 5 to 10 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 50%.

    Low: 48 °F

    Areas Fog
    then Chance
    T-storms and
    Areas Dense
    Fog

  • Friday

    Friday: Rain and thunderstorms, mainly before 3pm. Areas of fog before 8am. High near 74. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.

    High: 74 °F

    Rain and
    Areas Fog
    then Chance
    Rain and
    Breezy

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 46. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.

    Low: 46 °F

    Showers
    Likely then
    T-storms and
    Breezy

  • Saturday

    Saturday: Partly sunny, with a high near 58.

    High: 58 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 64.

    High: 64 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 48.

    Low: 48 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 59. Southwest wind around 5 mph becoming calm.
Tonight
A chance of rain, with thunderstorms also possible after 3am. Areas of dense fog after 8pm. Otherwise, mostly cloudy, with a low around 48. Light south wind becoming southeast 5 to 10 mph in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 50%.
Friday
Rain and thunderstorms, mainly before 3pm. Areas of fog before 8am. High near 74. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%.
Friday Night
Showers and possibly a thunderstorm. Low around 46. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.
Saturday
Partly sunny, with a high near 58.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 64.
Sunday Night
Clear, with a low around 48.
Monday
Sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Rain likely. Partly sunny, with a high near 75. Breezy. Chance of precipitation is 70%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 45. Breezy. Chance of precipitation is 80%.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 57. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Carthage IL
 40.43°N 91.13°W (Elev. 676 ft)
Last Update:
1:36 pm CST Mar 5, 2026
Forecast Valid:
2pm CST Mar 5, 2026-6pm CDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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