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

37°F

3°C

Humidity 70%
Wind Speed E 12 mph
Barometer 30.46 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 7 Apr 10:55 am CDT
Extended Forecast for

Carthage IL

  • Today

    Today: A slight chance of rain and snow before 4pm, then a slight chance of rain after 5pm. Mostly cloudy, with a high near 44. East wind 10 to 15 mph. Chance of precipitation is 20%.

    High: 44 °F

    Slight Chance
    Rain/Snow

  • Tonight

    Tonight: A 10 percent chance of rain before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 39. Southeast wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 39 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 72. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph.

    High: 72 °F

    Mostly Sunny
    and Breezy

  • Wednesday Night

    Wednesday Night: A chance of showers, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 53. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    Low: 53 °F

    Chance
    Showers

  • Thursday

    Thursday: A 40 percent chance of showers after 1pm. Partly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny
    then Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 51. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 51 °F

    Chance
    T-storms then
    Showers
    Likely

  • Friday

    Friday: A 50 percent chance of showers. Mostly cloudy, with a high near 63.

    High: 63 °F

    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Mostly Cloudy
    then Chance
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers. Mostly cloudy, with a high near 68.

    High: 68 °F

    Chance
    Showers

Detailed Forecast

Today
A slight chance of rain and snow before 4pm, then a slight chance of rain after 5pm. Mostly cloudy, with a high near 44. East wind 10 to 15 mph. Chance of precipitation is 20%.
Tonight
A 10 percent chance of rain before 7pm. Cloudy, then gradually becoming partly cloudy, with a low around 39. Southeast wind 10 to 15 mph, with gusts as high as 30 mph.
Wednesday
Mostly sunny, with a high near 72. Breezy, with a south wind 15 to 25 mph, with gusts as high as 35 mph.
Wednesday Night
A chance of showers, with thunderstorms also possible after 10pm. Mostly cloudy, with a low around 53. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Thursday
A 40 percent chance of showers after 1pm. Partly sunny, with a high near 72.
Thursday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 51. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 63.
Friday Night
A 30 percent chance of showers after 1am. Mostly cloudy, with a low around 47.
Saturday
A 40 percent chance of showers. Mostly cloudy, with a high near 68.
Saturday Night
Mostly cloudy, with a low around 58.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 75. Breezy.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Monday
A 50 percent chance of showers. Partly sunny, with a high near 81. 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:
10:52 am CDT Apr 7, 2026
Forecast Valid:
11am CDT Apr 7, 2026-6pm CDT Apr 13, 2026
 
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