Severe Thunderstorms in the Upper Midwest; Heat Continues in the Southwest

Scattered severe thunderstorms may produce damaging winds, large hail, a tornado or two, and heavy rain across parts of the Upper Midwest, mainly this evening through Saturday. Very hot temperatures will continue through today across the Desert Southwest, which could break daily high temperature records. Read More >

Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

A Few Clouds

73°F

23°C

Humidity 83%
Wind Speed SE 12 mph
Barometer 29.99 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 8 Aug 7:55 am CDT
Extended Forecast for

4 Miles SSW Farmington IA

Heat Advisory August 8, 12:00pm until August 8, 07:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: Sunny, with a high near 92. Heat index values as high as 103. South wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 92 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 75. Southeast wind around 10 mph, with gusts as high as 20 mph.

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm.  Mostly sunny, with a high near 93. Heat index values as high as 105. South wind around 10 mph, with gusts as high as 20 mph.  Chance of precipitation is 20%.

    High: 93 °F

    Sunny then
    Slight Chance
    T-storms

  • Saturday Night

    Saturday Night: Showers and thunderstorms likely, mainly after 1am. Some of the storms could produce heavy rainfall.  Mostly cloudy, with a low around 71. South wind around 5 mph.  Chance of precipitation is 60%. New rainfall amounts between 1 and 2 inches possible.

    Low: 71 °F

    Heavy Rain

  • Sunday

    Sunday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 86. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 86 °F

    Chance
    T-storms

  • 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 69. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.

    Low: 69 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

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

    High: 84 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 68. Chance of precipitation is 50%.

    Low: 68 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 85.

    High: 85 °F

    Partly Sunny
    then Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 92. Heat index values as high as 103. South wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 75. Southeast wind around 10 mph, with gusts as high as 20 mph.
Saturday
A slight chance of showers between 1pm and 4pm, then a slight chance of showers and thunderstorms after 4pm. Mostly sunny, with a high near 93. Heat index values as high as 105. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Saturday Night
Showers and thunderstorms likely, mainly after 1am. Some of the storms could produce heavy rainfall. Mostly cloudy, with a low around 71. South wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between 1 and 2 inches possible.
Sunday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 86. Chance of precipitation is 50%. New rainfall amounts between a half and three quarters of an inch possible.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%. New rainfall amounts between three quarters and one inch possible.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Chance of precipitation is 50%.
Tuesday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 67.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Farmington IA
 40.58°N 91.76°W (Elev. 705 ft)
6:47 am CDT Aug 8, 2025
8am CDT Aug 8, 2025-6pm CDT Aug 14, 2025
 
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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