Low and Slow Airport Rainfall Forecast

Today 26 Sep
30%
Sun 27 Sep
5%
Mon 28 Sep
No Rain
Tue 29 Sep
10%
Wed 30 Sep
65%
Thu 1 Oct
55%
Fri 2 Oct
45%

Low and Slow Airport Rainfall Statistics

September Rainfall

St. Charles, St. Charles County Smartt Airport (17.4 miles)

Total Rainfall 2026
25.1in
Daily Average 2026
0.1in
Wettest Day 18 May, 2026
1.6in
Wet Days 2026
74/269 (28%)
Total Rainfall August
2.2in
Daily Average August
0.1in
Wettest Day 16 August, 2026
1.2in
Wet Days August
10/31 (32%)
Total Rainfall September
1.4in
Daily Average September
0.1in
Wettest Day 20 September, 2026
0.9in
Wet Days September
7/26 (27%)

Climate (2021–2025)

St. Charles, St. Charles County Smartt Airport (17.4 miles)

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Annual Average 2021–2025
36.2in
Monthly Average 2021–2026
2.9in
Daily Average 2021–2026
0.1in
Wettest Day 16 July, 2024
3.8in

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