Sloan's Airport Rainfall Forecast

Today 15 Sep
15%
Tue 16 Sep
10%
Wed 17 Sep
No Rain
Thu 18 Sep
10%
Fri 19 Sep
40%
Sat 20 Sep
35%
Sun 21 Sep
20%

Sloan's Airport Rainfall Statistics

September Rainfall

St. Charles, St. Charles County Smartt Airport (21.7 miles)

Total Rainfall 2025
26in
Daily Average 2025
0.1in
Wettest Day 4 April, 2025
1.9in
Wet Days 2025
67/258 (26%)
Total Rainfall August
0.8in
Daily Average August
0.03in
Wettest Day 10 August, 2025
0.7in
Wet Days August
3/31 (10%)
Total Rainfall September
0.04in
Daily Average September
0in
Wettest Day 3 September, 2025
0.04in
Wet Days September
1/15 (7%)

Climate (2010–Present)

St. Charles, St. Charles County Smartt Airport (21.7 miles)

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Annual Average 2020–2024
36.6in
Monthly Average 2020–2025
3.1in
Daily Average 2020–2025
0.1in
Wettest Day 16 July, 2024
3.8in

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