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

64°F

18°C

Humidity 73%
Wind Speed S 14 mph
Barometer 29.96 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 12 Apr 6:55 am CDT
Extended Forecast for

2 Miles ENE Carthage IL

  • Today

    Today: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 76. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%.

    High: 76 °F

    Breezy.
    Chance
    T-storms then
    Showers

  • Tonight

    Tonight: Showers and thunderstorms, mainly before 11pm. Low around 62. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Showers and
    Breezy then
    Slight Chance
    T-storms

  • Monday

    Monday: A slight chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 82. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.

    High: 82 °F

    Slight Chance
    T-storms and
    Breezy

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 68 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.

    High: 84 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 78. Chance of precipitation is 80%.

    High: 78 °F

    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 50%.

    Low: 59 °F

    Chance
    T-storms

  • Thursday

    Thursday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 2pm. High near 76. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%.
Tonight
Showers and thunderstorms, mainly before 11pm. Low around 62. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A slight chance of showers, with thunderstorms also possible after 10am. Mostly cloudy, with a high near 82. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 20%.
Monday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 68. Southwest wind around 15 mph, with gusts as high as 25 mph.
Tuesday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers and possibly a thunderstorm. High near 78. Chance of precipitation is 80%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 50%.
Thursday
Mostly sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 59.
Friday
A 50 percent chance of showers. Mostly sunny, with a high near 83.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 70.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles ENE Carthage IL
 40.43°N 91.1°W (Elev. 676 ft)
Last Update:
6:32 am CDT Apr 12, 2026
Forecast Valid:
7am CDT Apr 12, 2026-6pm CDT Apr 18, 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