Hazardous Weather Conditions
Current conditions at
Fort Madison Municipal Airport (KFSW)
Lat: 40.66°NLon: 91.33°WElev: 719ft.
Fair
97°F
36°C
| Humidity | 39% |
| Wind Speed | S 10 mph |
| Barometer | 29.95 in |
| Dewpoint | 68°F (20°C) |
| Visibility | 10.00 mi |
| Heat Index | 102°F (39°C) |
| Last update | 1 Sep 3:55 pm CDT |
Extended Forecast for
3 Miles SSW Keokuk Municipal IA
Heat Advisory September 1, 04:03pm until September 3, 07:00pm
NOW until 7:00pm Thu

Heat Advisory
This Afternoon

High: 96 °F
Hot
Tonight

Low: 75 °F
Clear
Wednesday

High: 97 °F
Hot
Wednesday Night

Low: 77 °F
Mostly Clear
Thursday

High: 95 °F
Hot
Thursday Night

Low: 77 °F
Mostly Clear
Friday

High: 95 °F
Hot
Friday Night

Low: 75 °F
Mostly Clear
Detailed Forecast
This Afternoon
Sunny and hot, with a high near 96. Heat index values as high as 102. Southwest wind around 10 mph.
Tonight
Clear, with a low around 75. South wind around 5 mph.
Wednesday
Sunny and hot, with a high near 97. Heat index values as high as 105. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 77. South wind 5 to 10 mph.
Thursday
Sunny and hot, with a high near 95.
Thursday Night
Mostly clear, with a low around 77.
Friday
Sunny and hot, with a high near 95.
Friday Night
Mostly clear, with a low around 75.
Saturday
Mostly sunny and hot, with a high near 95.
Saturday Night
Partly cloudy, with a low around 72.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
A 30 percent chance of showers. Partly cloudy, with a low around 70.
Labor Day
Partly sunny, with a high near 87.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
3 Miles SSW Keokuk Municipal IA
40.44°N 91.45°W (Elev. 646 ft)
40.44°N 91.45°W (Elev. 646 ft)
2:51 pm CDT Sep 1, 2026
4pm CDT Sep 1, 2026-6pm CDT Sep 7, 2026



