Hazardous Weather Conditions

Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

Overcast

75°F

24°C

Humidity 78%
Wind Speed E 7 mph
Barometer 30.11 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 18 Jul 10:55 am CDT
Extended Forecast for

2 Miles SW Donnellson IA

  • Today

    Today: Partly sunny, with a high near 84. Southeast wind around 5 mph.

    High: 84 °F

    Partly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 5am.  Mostly cloudy, with a low around 72. Southeast wind around 5 mph.

    Low: 72 °F

    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then a chance of showers and thunderstorms after 1pm.  Partly sunny, with a high near 91. Heat index values as high as 105. Southwest wind around 5 mph.  Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 91 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 72. Calm wind becoming northeast around 5 mph.

    Low: 72 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 85.

    High: 85 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, mainly after 1am.  Mostly cloudy, with a low around 71. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 71 °F

    T-storms
    Likely

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms before 1pm.  Partly sunny, with a high near 89.

    High: 89 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms.  Partly cloudy, with a low around 73.

    Low: 73 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Mostly sunny, with a high near 94.

    High: 94 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 84. Southeast wind around 5 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Mostly cloudy, with a low around 72. Southeast wind around 5 mph.
Saturday
A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 91. Heat index values as high as 105. Southwest wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Calm wind becoming northeast around 5 mph.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85.
Sunday Night
Showers and thunderstorms likely, mainly after 1am. Mostly cloudy, with a low around 71. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Monday
A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 89.
Monday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Tuesday
Mostly sunny, with a high near 94.
Tuesday Night
Mostly clear, with a low around 75.
Wednesday
Sunny and hot, with a high near 95.
Wednesday Night
Mostly clear, with a low around 74.
Thursday
Sunny and hot, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SW Donnellson IA
 40.62°N 91.59°W (Elev. 623 ft)
10:46 am CDT Jul 18, 2025
11am CDT Jul 18, 2025-6pm CDT Jul 24, 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