Heavy Rain in the Appalachians and Central Gulf Coast; Heat Continues in the West; Monitoring the Tropics

Heavy to excessive rainfall over the southern Appalachians and portions of the central Gulf Coast may bring areas of flooding today. Hot temperatures are in place through today across much of the western U.S. and New England. Tropical Storm Erin is forecast to become a Major Hurricane this weekend as it moves across the central Atlantic Ocean. Monitor future forecasts for any East Coast impacts. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

Mostly Cloudy

77°F

25°C

Humidity 83%
Wind Speed S 7 mph
Barometer 29.97 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 12 Aug 10:35 am CDT
Extended Forecast for

Carthage IL

  • Today

    Today: A 20 percent chance of showers and thunderstorms.  Partly sunny, with a high near 83. West wind 5 to 10 mph.

    High: 83 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Partly cloudy, with a low around 67. West wind around 5 mph.

    Low: 67 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 81. North wind around 5 mph.

    High: 81 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. North wind around 5 mph becoming calm.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 88.

    High: 88 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. West wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 67. West wind around 5 mph.
Wednesday
Mostly sunny, with a high near 81. North wind around 5 mph.
Wednesday Night
Mostly clear, with a low around 62. North wind around 5 mph becoming calm.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 66.
Friday
Mostly sunny, with a high near 88.
Friday Night
Partly cloudy, with a low around 73.
Saturday
Mostly sunny, with a high near 91.
Saturday Night
Mostly clear, with a low around 74.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
Partly cloudy, with a low around 72.
Monday
Partly sunny, with a high near 86.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Carthage IL
 40.43°N 91.13°W (Elev. 676 ft)
6:17 am CDT Aug 12, 2025
10am CDT Aug 12, 2025-6pm CDT Aug 18, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database