Hazardous Weather Conditions
Current conditions at
Fort Madison Municipal Airport (KFSW)
Lat: 40.66°NLon: 91.33°WElev: 719ft.
Mostly Cloudy
28°F
-2°C
| Humidity | 80% |
| Wind Speed | SE 14 G 18 mph |
| Barometer | 29.91 in |
| Dewpoint | 23°F (-5°C) |
| Visibility | 10.00 mi |
| Wind Chill | 17°F (-8°C) |
| Last update | 18 Mar 5:15 am CDT |
Extended Forecast for
4 Miles W Denmark IA
Today

High: 53 °F
Sunny
Tonight

Low: 38 °F
Mostly Cloudy
Thursday

High: 62 °F
Decreasing
CloudsThursday Night

Low: 43 °F
Partly Cloudy
Friday

High: 73 °F
Mostly Sunny
Friday Night

Low: 48 °F
Mostly Cloudy
Saturday

High: 77 °F
Sunny
Saturday Night

Low: 51 °F
Mostly Clear
Sunday

High: 65 °F
Partly Sunny
Detailed Forecast
Today
Sunny, with a high near 53. South wind 5 to 10 mph becoming west in the afternoon.
Tonight
Mostly cloudy, with a low around 38. South wind around 5 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 62. Southwest wind around 5 mph becoming north in the afternoon.
Thursday Night
Partly cloudy, with a low around 43. North wind around 5 mph becoming south after midnight.
Friday
Mostly sunny, with a high near 73.
Friday Night
Mostly cloudy, with a low around 48.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Partly sunny, with a high near 65.
Sunday Night
Mostly cloudy, with a low around 31.
Monday
Mostly cloudy, with a high near 48.
Monday Night
Mostly cloudy, with a low around 31.
Tuesday
Partly sunny, with a high near 55.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles W Denmark IA
40.74°N 91.41°W (Elev. 719 ft)
40.74°N 91.41°W (Elev. 719 ft)
4:42 am CDT Mar 18, 2026
5am CDT Mar 18, 2026-6pm CDT Mar 24, 2026



