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August / Summer'25 Climate Summary

Current conditions at

Fort Madison Municipal Airport (KFSW)

Lat: 40.66°NLon: 91.33°WElev: 719ft.

Fair

61°F

16°C

Humidity	88%
Wind Speed	S 6 mph
Barometer	29.94 in
Dewpoint	57°F (14°C)
Visibility	10.00 mi
Last update	3 Sep 2:15 am CDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Nauvoo IL

Overnight
Low: 58 °F
Mostly Clear
Wednesday
High: 77 °F
Isolated
Showers then
Showers
Likely
Wednesday Night
Low: 48 °F
Isolated
Showers then
Mostly Clear
Thursday
High: 73 °F
Sunny
Thursday Night
Low: 57 °F
Partly Cloudy
Friday
High: 69 °F
Mostly Sunny
Friday Night
Low: 46 °F
Mostly Clear
Saturday
High: 73 °F
Sunny
Saturday Night
Low: 49 °F
Mostly Clear

Detailed Forecast

Overnight

Mostly clear, with a low around 58. Southwest wind around 5 mph.

Wednesday

Scattered showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 4pm, then scattered showers and thunderstorms after 4pm. Sunny during the morning, then mostly cloudy during the afternoon, with a high near 77. Southwest wind 5 to 10 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 60%.

Wednesday Night

Isolated showers before 7pm. Partly cloudy, with a low around 48. North wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 10%.

Thursday

Sunny, with a high near 73. Northwest wind around 5 mph.

Thursday Night

Partly cloudy, with a low around 57.

Friday

Mostly sunny, with a high near 69.

Friday Night

Mostly clear, with a low around 46.

Saturday

Sunny, with a high near 73.

Saturday Night

Mostly clear, with a low around 49.