Lake Arikara Rainfall Forecast

Today 26 Sep
10%
Sun 27 Sep
10%
Mon 28 Sep
35%
Tue 29 Sep
85%
Wed 30 Sep
5%
Thu 1 Oct
5%
Fri 2 Oct
5%

Lake Arikara Rainfall Statistics

September Rainfall

Pierre, Pierre Regional Airport (0.6 miles)

Total Rainfall 2026
16.4in
Daily Average 2026
0.1in
Wettest Day 21 June, 2026
1.5in
Wet Days 2026
66/269 (25%)
Total Rainfall August
2in
Daily Average August
0.1in
Wettest Day 13 August, 2026
1.4in
Wet Days August
5/31 (16%)
Total Rainfall September
2.6in
Daily Average September
0.1in
Wettest Day 6 September, 2026
1in
Wet Days September
10/26 (38%)

Climate (2021–2025)

Pierre, Pierre Regional Airport (0.6 miles)

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Annual Average 2021–2025
19.1in
Monthly Average 2021–2026
1.7in
Daily Average 2021–2026
0.1in
Wettest Day 26 August, 2022
2.8in

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