Bighorn Reservoir Rainfall Forecast

Today 15 Sep
75%
Tue 16 Sep
60%
Wed 17 Sep
65%
Thu 18 Sep
20%
Fri 19 Sep
5%
Sat 20 Sep
5%
Sun 21 Sep
15%

Bighorn Reservoir Rainfall Statistics

September Rainfall

Sheridan County Airport (19.3 miles)

Total Rainfall 2025
14.7in
Daily Average 2025
0.1in
Wettest Day 19 May, 2025
1.3in
Wet Days 2025
85/258 (33%)
Total Rainfall August
0.7in
Daily Average August
0.02in
Wettest Day 13 August, 2025
0.2in
Wet Days August
5/31 (16%)
Total Rainfall September
0.1in
Daily Average September
0.01in
Wettest Day 12 September, 2025
0.1in
Wet Days September
3/15 (20%)

Climate (2010–Present)

Sheridan County Airport (19.3 miles)

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Annual Average 2020–2024
15.6in
Monthly Average 2020–2025
1.4in
Daily Average 2020–2025
0.05in
Wettest Day 29 January, 2023
3.3in

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