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 | 48% |
| Wind Speed | W 6 mph |
| Barometer | 29.98 in |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 20 Jun 3:15 pm CDT |
Extended Forecast for
4 Miles WNW Donnellson IA
Flood Watch June 21, 07:00am until June 21, 07:00pm
This Afternoon
High: 82 °F
Mostly Sunny
Tonight
Low: 60 °F
Mostly Cloudy
then Showers
LikelySunday
High: 70 °F
Heavy Rain
Sunday Night
Low: 56 °F
Chance
ShowersMonday
High: 75 °F
Mostly Sunny
Monday Night
Low: 55 °F
Mostly Clear
Tuesday
High: 78 °F
Sunny
Tuesday Night
Low: 59 °F
Partly Cloudy
Wednesday
High: 79 °F
Sunny
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 82. Northwest wind around 5 mph.
Tonight
A slight chance of showers before 4am, then a chance of showers and thunderstorms between 4am and 5am, then showers likely and possibly a thunderstorm after 5am. Increasing clouds, with a low around 60. North wind around 5 mph becoming east after midnight. Chance of precipitation is 60%.
Sunday
Showers and possibly a thunderstorm, mainly before 4pm, then a chance of showers and thunderstorms after 4pm. Some of the storms could produce heavy rainfall. High near 70. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Sunday Night
A 30 percent chance of showers between 1am and 4am. Mostly cloudy, with a low around 56. Northeast wind 10 to 15 mph, with gusts as high as 25 mph.
Monday
Mostly sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 55.
Tuesday
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
Mostly clear, with a low around 57.
Friday
Mostly sunny, with a high near 81.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
4 Miles WNW Donnellson IA
40.68°N 91.64°W (Elev. 712 ft)
40.68°N 91.64°W (Elev. 712 ft)
3:07 pm CDT Jun 20, 2026
3pm CDT Jun 20, 2026-6pm CDT Jun 26, 2026
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