Severe Thunderstorms and Heavy Rain in the Mid-Atlantic; Heat Persists Across the South

Scattered severe thunderstorms and excessive rainfall are possible into the night in the Mid Atlantic, and heavy rain will shift to Virginia and the Carolinas on Friday. Severe thunderstorms are also possible in the Central Plains into the Upper MS Valley and the Deep South tonight. Dangerous heat persists across the Southern Plains and Lower MS Valley and heat will expand into the Southwest. Read More >

Hazardous Weather Conditions

Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

Fair

66°F

19°C

Humidity 94%
Wind Speed SE 5 mph
Barometer 30.05 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 21 Aug 6:55 am CDT
Extended Forecast for

Dallas City IL

  • Today

    Today: Sunny, with a high near 84. South wind 5 to 10 mph becoming west in the afternoon.

    High: 84 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms, mainly between 9pm and 10pm.  Mostly clear, with a low around 65. Southwest wind around 5 mph becoming northeast in the evening.

    Low: 65 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 81. Northwest wind 5 to 10 mph.

    High: 81 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 59. North wind around 5 mph becoming calm  in the evening.

    Low: 59 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 77.

    High: 77 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 80.

    High: 80 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 84. South wind 5 to 10 mph becoming west in the afternoon.
Tonight
A 20 percent chance of showers and thunderstorms, mainly between 9pm and 10pm. Mostly clear, with a low around 65. Southwest wind around 5 mph becoming northeast in the evening.
Saturday
Sunny, with a high near 81. Northwest wind 5 to 10 mph.
Saturday Night
Mostly clear, with a low around 59. North wind around 5 mph becoming calm in the evening.
Sunday
Sunny, with a high near 78.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Partly sunny, with a high near 77.
Monday Night
Partly cloudy, with a low around 62.
Tuesday
Partly sunny, with a high near 80.
Tuesday Night
Partly cloudy, with a low around 65.
Wednesday
Partly sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 63.
Thursday
Sunny, with a high near 80.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Dallas City IL
 40.63°N 91.18°W (Elev. 594 ft)
6:01 am CDT Aug 21, 2026
7am CDT Aug 21, 2026-6pm CDT Aug 27, 2026
 
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