Barnhart Rainfall Forecast

Today 18 Sep
25%
Sat 19 Sep
20%
Sun 20 Sep
15%
Mon 21 Sep
65%
Tue 22 Sep
30%
Wed 23 Sep
No Rain
Thu 24 Sep
5%

Barnhart Rainfall Statistics

September Rainfall

St. Louis Downtown Airport (19.9 miles)

Total Rainfall 2026
27.6in
Daily Average 2026
0.1in
Wettest Day 18 May, 2026
2in
Wet Days 2026
70/261 (27%)
Total Rainfall August
3in
Daily Average August
0.1in
Wettest Day 6 August, 2026
1.7in
Wet Days August
8/31 (26%)
Total Rainfall September
2.1in
Daily Average September
0.1in
Wettest Day 9 September, 2026
1.7in
Wet Days September
4/18 (22%)

Climate (2021–2025)

St. Louis Downtown Airport (19.9 miles)

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Annual Average 2021–2025
43.5in
Monthly Average 2021–2026
3.6in
Daily Average 2021–2026
0.1in
Wettest Day 26 July, 2022
7.2in

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