Lewis and Clark State Memorial Park Rainfall Forecast

Today 18 Sep
25%
Sat 19 Sep
20%
Sun 20 Sep
25%
Mon 21 Sep
70%
Tue 22 Sep
25%
Wed 23 Sep
5%
Thu 24 Sep
5%

Lewis and Clark State Memorial Park Rainfall Statistics

September Rainfall

St. Louis Regional Airport (7.5 miles)

Total Rainfall 2026
17.6in
Daily Average 2026
0.1in
Wettest Day 25 July, 2026
2.5in
Wet Days 2026
45/261 (17%)
Total Rainfall August
1in
Daily Average August
0.03in
Wettest Day 16 August, 2026
0.5in
Wet Days August
7/31 (23%)
Total Rainfall September
0.1in
Daily Average September
0.01in
Wettest Day 10 September, 2026
0.1in
Wet Days September
2/18 (11%)

Climate (2021–2025)

St. Louis Regional Airport (7.5 miles)

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Annual Average 2021–2025
18.9in
Monthly Average 2021–2026
1.7in
Daily Average 2021–2026
0.1in
Wettest Day 5 November, 2024
4.8in

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