Hayes Lake Rainfall Forecast

Today 12 Sep
20%
Sat 13 Sep
55%
Sun 14 Sep
85%
Mon 15 Sep
60%
Tue 16 Sep
25%
Wed 17 Sep
50%
Thu 18 Sep
30%

Hayes Lake Rainfall Statistics

September Rainfall

Pierre, Pierre Regional Airport (35.4 miles)

Total Rainfall 2025
15.7in
Daily Average 2025
0.1in
Wettest Day 22 August, 2025
1.7in
Wet Days 2025
63/255 (25%)
Total Rainfall August
3.8in
Daily Average August
0.1in
Wettest Day 22 August, 2025
1.7in
Wet Days August
9/31 (29%)
Total Rainfall September
0.1in
Daily Average September
0.01in
Wettest Day 3 September, 2025
0.1in
Wet Days September
1/12 (8%)

Climate (2010–Present)

Pierre, Pierre Regional Airport (35.4 miles)

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Annual Average 2020–2024
17.4in
Monthly Average 2020–2025
1.5in
Daily Average 2020–2025
0.05in
Wettest Day 26 August, 2022
2.8in

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