National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms and Critical Fire Weather Wednesday

Scattered severe thunderstorms are possible across portions of the northern High Plains Wednesday afternoon and evening. Severe wind gusts are the primary hazard. Gusty winds and low relative humidity will contribute to critical fire weather conditions across parts of the northern Great Plains and Great Basin Wednesday. Read More >

Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

Fair

66°F

19°C

Humidity 37%
Wind Speed NW 15 G 26 mph
Barometer 30.10 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Last update 13 May 11:35 am CDT
Extended Forecast for

3 Miles NNE Fort Madison IA

  • Today

    Today: Sunny, with a high near 72. North wind around 15 mph, with gusts as high as 25 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 46. North wind 5 to 10 mph becoming light and variable in the evening.

    Low: 46 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 77. South wind 5 to 10 mph, with gusts as high as 20 mph.

    High: 77 °F

    Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 57. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.

    Low: 57 °F

    Slight Chance
    T-storms then
    Showers

  • Friday

    Friday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 61.

    Low: 61 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.

    Low: 63 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.

    High: 87 °F

    Chance
    T-storms

Detailed Forecast

Today
Sunny, with a high near 72. North wind around 15 mph, with gusts as high as 25 mph.
Tonight
Clear, with a low around 46. North wind 5 to 10 mph becoming light and variable in the evening.
Thursday
Sunny, with a high near 77. South wind 5 to 10 mph, with gusts as high as 20 mph.
Thursday Night
A slight chance of showers before 10pm, then a slight chance of showers and thunderstorms between 10pm and 1am, then showers and possibly a thunderstorm after 1am. Low around 57. Southeast wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%.
Friday
Mostly sunny, with a high near 85.
Friday Night
A 40 percent chance of showers and thunderstorms before 1am. Mostly clear, with a low around 61.
Saturday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 63. Chance of precipitation is 50%.
Sunday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 87.
Sunday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.
Monday
Showers and thunderstorms likely. Partly sunny, with a high near 88. Chance of precipitation is 70%.
Monday Night
Showers likely. Mostly cloudy, with a low around 62. Chance of precipitation is 70%.
Tuesday
A 50 percent chance of showers. Partly sunny, with a high near 76.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Fort Madison IA
 40.65°N 91.33°W (Elev. 653 ft)
Last Update:
5:36 am CDT May 13, 2026
Forecast Valid:
11am CDT May 13, 2026-6pm CDT May 19, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation