Cloud Peak Reservoir Rainfall Forecast

Today 11 Sep
55%
Sat 12 Sep
15%
Sun 13 Sep
No Rain
Mon 14 Sep
40%
Tue 15 Sep
No Rain
Wed 16 Sep
10%
Thu 17 Sep
20%

Cloud Peak Reservoir Rainfall Statistics

September Rainfall

Buffalo - Johnson County Airport (18.6 miles)

Total Rainfall 2026
3.6in
Daily Average 2026
0.01in
Wettest Day 13 June, 2026
0.6in
Wet Days 2026
41/254 (16%)
Total Rainfall August
0.1in
Daily Average August
0in
Wettest Day 15 August, 2026
0.02in
Wet Days August
4/31 (13%)
Total Rainfall September
0.02in
Daily Average September
0in
Wettest Day 7 September, 2026
0.02in
Wet Days September
1/11 (9%)

Climate (2021–2025)

Buffalo - Johnson County Airport (18.6 miles)

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Annual Average 2021–2025
11.7in
Monthly Average 2021–2026
1in
Daily Average 2021–2026
0.03in
Wettest Day 22 September, 2023
2.3in

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