Hazardous Weather Conditions
Current conditions at
Fort Madison Municipal Airport (KFSW)
Lat: 40.66°NLon: 91.33°WElev: 719ft.
Fair
95°F
35°C
| Humidity | 39% |
| Wind Speed | S 7 mph |
| Barometer | 29.94 in |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Heat Index | 98°F (37°C) |
| Last update | 1 Sep 4:35 pm CDT |
Extended Forecast for
4 Miles SSW Denmark IA
Heat Advisory September 1, 04:55pm until September 3, 07:00pm
NOW until 7:00pm Thu
Heat Advisory
This Afternoon
High: 95 °F
Hot
Tonight
Low: 75 °F
Mostly Clear
Wednesday
High: 95 °F
Hot
Wednesday Night
Low: 76 °F
Mostly Clear
Thursday
High: 94 °F
Sunny
Thursday Night
Low: 75 °F
Mostly Clear
Friday
High: 93 °F
Sunny
Friday Night
Low: 74 °F
Partly Cloudy
Detailed Forecast
This Afternoon
Sunny and hot, with a high near 95. Heat index values as high as 100. Southwest wind around 10 mph.
Tonight
Mostly clear, with a low around 75. South wind around 5 mph.
Wednesday
Sunny and hot, with a high near 95. Heat index values as high as 102. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 76. South wind around 5 mph.
Thursday
Sunny, with a high near 94.
Thursday Night
Mostly clear, with a low around 75.
Friday
Sunny, with a high near 93.
Friday Night
Partly cloudy, with a low around 74.
Saturday
Mostly sunny, with a high near 93.
Saturday Night
Partly cloudy, with a low around 71.
Sunday
Mostly sunny, with a high near 88.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 69.
Labor Day
Partly sunny, with a high near 85.
Additional Forecasts and Information
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Forecast AreaABOUT 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)
2:51 pm CDT Sep 1, 2026
4pm CDT Sep 1, 2026-6pm CDT Sep 7, 2026
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