Hazardous Weather Conditions
Current conditions at
Fort Madison Municipal Airport (KFSW)
Lat: 40.66°NLon: 91.33°WElev: 719ft.
A Few Clouds
79°F
26°C
| Humidity | 51% |
| Wind Speed | SW 6 mph |
| Barometer | 30.01 in |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 19 Jun 4:35 pm CDT |
Extended Forecast for
2 Miles SW Donnellson IA
Tonight

Low: 61 °F
Chance
ShowersSaturday

High: 84 °F
Mostly Sunny
Saturday Night
Low: 62 °F
Mostly Cloudy
then Showers
LikelySunday

High: 74 °F
Heavy Rain
Sunday Night

Low: 57 °F
Chance
ShowersMonday

High: 75 °F
Mostly Sunny
Monday Night

Low: 56 °F
Partly Cloudy
Tuesday

High: 78 °F
Mostly Sunny
Tuesday Night

Low: 59 °F
Partly Cloudy
Detailed Forecast
Tonight
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am. Mostly cloudy, with a low around 61. West wind around 5 mph becoming north in the evening. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 84. Northwest wind around 5 mph.
Saturday Night
A chance of showers and thunderstorms between 4am and 5am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 62. North wind around 5 mph becoming east after midnight. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 74. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between 2 and 3 inches possible.
Sunday Night
A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 57.
Monday
Mostly sunny, with a high near 75.
Monday Night
Partly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Mostly sunny, with a high near 79.
Thursday Night
Partly cloudy, with a low around 58.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles SW Donnellson IA
40.62°N 91.59°W (Elev. 623 ft)
40.62°N 91.59°W (Elev. 623 ft)
4:32 pm CDT Jun 19, 2026
5pm CDT Jun 19, 2026-6pm CDT Jun 26, 2026



