Heavy to Excessive Rains in The Four Corners Region and Midwest; Heat Persists in the South-Central U.S.

Repeated rounds of showers and thunderstorms could bring a flash flooding threat across the Four Corners region and from the mid-Mississippi Valley into the lower Great Lakes. Hot temperatures and high humidity will continue to challenge daily records from the Southern Plains to the lower Mississippi Valley. Read More >

Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

Mostly Cloudy

75°F

24°C

Humidity 89%
Wind Speed Vrbl 2 mph
Barometer 30.22 in
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 16 Sep 4:55 pm CDT
Extended Forecast for

6 Miles WSW Farmington IA

Flood Watch September 16, 10:00pm until September 17, 10:00am
Click here for hazard details and duration
Flood Watch
  • Tonight

    Tonight: A slight chance of showers, then a chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 68. Calm wind.  Chance of precipitation is 30%.

    Low: 68 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly before 11am.  Partly sunny, with a high near 83. Calm wind becoming east around 5 mph.  Chance of precipitation is 60%.

    High: 83 °F

    Showers
    Likely then
    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 3am, then a slight chance of showers after 5am.  Mostly cloudy, with a low around 68. Calm wind becoming northeast around 5 mph.  Chance of precipitation is 30%.

    Low: 68 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm.  Cloudy through mid morning, then gradual clearing, with a high near 86. East wind around 5 mph becoming south in the afternoon.  Chance of precipitation is 40%.

    High: 86 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Mostly clear, with a low around 71.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: A 30 percent chance of showers before 1pm.  Partly sunny, with a high near 86.

    High: 86 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 67. Chance of precipitation is 70%.

    Low: 67 °F

    Showers
    Likely

  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 75. Chance of precipitation is 60%.

    High: 75 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 64. Chance of precipitation is 60%.

    Low: 64 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Tonight
A slight chance of showers, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 30%.
Thursday
Showers and thunderstorms likely, mainly before 11am. Partly sunny, with a high near 83. Calm wind becoming east around 5 mph. Chance of precipitation is 60%.
Thursday Night
A chance of showers and thunderstorms before 3am, then a slight chance of showers after 5am. Mostly cloudy, with a low around 68. Calm wind becoming northeast around 5 mph. Chance of precipitation is 30%.
Friday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm. Cloudy through mid morning, then gradual clearing, with a high near 86. East wind around 5 mph becoming south in the afternoon. Chance of precipitation is 40%.
Friday Night
Mostly clear, with a low around 71.
Saturday
A 30 percent chance of showers before 1pm. Partly sunny, with a high near 86.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 67. Chance of precipitation is 70%.
Sunday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 64. Chance of precipitation is 60%.
Monday
A 50 percent chance of showers. Mostly cloudy, with a high near 72.
Monday Night
Mostly cloudy, with a low around 60.
Tuesday
Mostly cloudy, with a high near 71.
Tuesday Night
Partly cloudy, with a low around 58.
Wednesday
Mostly sunny, with a high near 74.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
6 Miles WSW Farmington IA
 40.6°N 91.82°W (Elev. 735 ft)
2:36 pm CDT Sep 16, 2026
5pm CDT Sep 16, 2026-6pm CDT Sep 23, 2026
 
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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