Hazardous Weather Conditions
Current conditions at
Fort Madison Municipal Airport (KFSW)
Lat: 40.66°NLon: 91.33°WElev: 719ft.
Overcast
77°F
25°C
| Humidity | 61% |
| Wind Speed | S 15 G 21 mph |
| Barometer | 29.74 in |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Heat Index | 79°F (26°C) |
| Last update | 15 Apr 3:15 pm CDT |
Extended Forecast for
4 Miles SSW Denmark IA
This Afternoon

High: 75 °F
T-storms
LikelyTonight
Low: 57 °F
Showers
Likely then
Mostly CloudyThursday

High: 77 °F
Sunny
Thursday Night

Low: 56 °F
Mostly Clear
Friday
High: 82 °F
Mostly Sunny
then Showers
LikelyFriday Night
Low: 41 °F
T-storms then
ShowersSaturday

High: 53 °F
Mostly Sunny
Saturday Night

Low: 35 °F
Mostly Clear
Sunday

High: 58 °F
Sunny
Detailed Forecast
This Afternoon
Showers and thunderstorms likely, mainly before 4pm. Mostly cloudy, with a high near 75. South wind around 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.
Tonight
Showers and thunderstorms likely, mainly before 9pm. Mostly cloudy, with a low around 57. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 70%.
Thursday
Sunny, with a high near 77. West wind around 10 mph.
Thursday Night
Mostly clear, with a low around 56. Southwest wind 5 to 10 mph becoming southeast in the evening.
Friday
Showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 82. Chance of precipitation is 70%.
Friday Night
Showers and possibly a thunderstorm before 1am, then showers likely. Low around 41. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Saturday
Mostly sunny, with a high near 53.
Saturday Night
Mostly clear, with a low around 35.
Sunday
Sunny, with a high near 58.
Sunday Night
Clear, with a low around 38.
Monday
Sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Sunny, with a high near 73.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles SSW Denmark IA
40.7°N 91.35°W (Elev. 725 ft)
40.7°N 91.35°W (Elev. 725 ft)
2:52 pm CDT Apr 15, 2026
3pm CDT Apr 15, 2026-6pm CDT Apr 21, 2026



