Hazardous Weather Conditions
Current conditions at
Fort Madison Municipal Airport (KFSW)
Lat: 40.66°NLon: 91.33°WElev: 719ft.
Fair
90°F
32°C
| Humidity | 59% |
| Wind Speed | SW 7 mph |
| Barometer | 29.97 in |
| Dewpoint | 73°F (23°C) |
| Visibility | 10.00 mi |
| Heat Index | 99°F (37°C) |
| Last update | 4 Sep 10:56 am CDT |
Extended Forecast for
Hamilton IL
Extreme Heat Warning September 4, 11:04am until September 5, 07:00pm
NOW until 7:00pm Sat

Extreme Heat Warning
Today

High: 97 °F
Hot
Tonight

Low: 74 °F
Partly Cloudy
Saturday

High: 96 °F
Hot
Saturday Night

Low: 71 °F
Mostly Clear
Sunday

High: 90 °F
Mostly Sunny
Sunday Night

Low: 68 °F
Partly Cloudy
Labor Day

High: 89 °F
Mostly Sunny
Monday Night

Low: 70 °F
Partly Cloudy
Detailed Forecast
Today
Sunny and hot, with a high near 97. Heat index values as high as 106. Southwest wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 74. South wind around 5 mph becoming calm.
Saturday
Sunny and hot, with a high near 96. Heat index values as high as 106. Calm wind becoming north around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 71. East wind around 5 mph.
Sunday
Mostly sunny, with a high near 90.
Sunday Night
Partly cloudy, with a low around 68.
Labor Day
Mostly sunny, with a high near 89.
Monday Night
Partly cloudy, with a low around 70.
Tuesday
Mostly sunny and hot, with a high near 96.
Tuesday Night
Mostly clear, with a low around 77.
Wednesday
Mostly sunny and hot, with a high near 95.
Wednesday Night
A 40 percent chance of showers. Partly cloudy, with a low around 72.
Thursday
Mostly sunny, with a high near 89.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Hamilton IL
40.39°N 91.33°W (Elev. 600 ft)
40.39°N 91.33°W (Elev. 600 ft)
9:16 am CDT Sep 4, 2026
11am CDT Sep 4, 2026-6pm CDT Sep 10, 2026



