Current conditions at
Fort Madison Municipal Airport (KFSW)
Lat: 40.66°NLon: 91.33°WElev: 719ft.
Fair
63°F
17°C
| Humidity | 56% |
| Wind Speed | SW 17 G 22 mph |
| Barometer | 29.71 in |
| Dewpoint | 46°F (8°C) |
| Visibility | 10.00 mi |
| Last update | 9 Mar 11:15 am CDT |
Extended Forecast for
3 Miles S Bonaparte IA
Today

High: 77 °F
Sunny
Tonight

Low: 51 °F
Mostly Clear
Tuesday
High: 78 °F
Mostly Sunny
then Chance
T-stormsTuesday Night

Low: 41 °F
Showers
Wednesday

High: 50 °F
Chance Rain
Wednesday Night

Low: 27 °F
Mostly Clear
Thursday

High: 53 °F
Partly Sunny
Thursday Night

Low: 41 °F
Mostly Cloudy
Friday

High: 54 °F
Partly Sunny
Detailed Forecast
Today
Sunny, with a high near 77. Southwest wind around 10 mph, with gusts as high as 20 mph.
Tonight
Mostly clear, with a low around 51. South wind around 5 mph.
Tuesday
A 50 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 78. South wind 5 to 10 mph, with gusts as high as 20 mph.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then rain and possibly a thunderstorm between 1am and 4am, then rain after 4am. Low around 41. West wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
A 50 percent chance of rain before 1pm. Mostly cloudy, with a high near 50.
Wednesday Night
Mostly clear, with a low around 27.
Thursday
Partly sunny, with a high near 53.
Thursday Night
Mostly cloudy, with a low around 41.
Friday
Partly sunny, with a high near 54.
Friday Night
Mostly cloudy, with a low around 35.
Saturday
Mostly cloudy, with a high near 58.
Saturday Night
Mostly cloudy, with a low around 39.
Sunday
A 40 percent chance of rain. Mostly cloudy, with a high near 55.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles S Bonaparte IA
40.66°N 91.79°W (Elev. 653 ft)
40.66°N 91.79°W (Elev. 653 ft)
8:06 am CDT Mar 9, 2026
11am CDT Mar 9, 2026-6pm CDT Mar 15, 2026


