Heart Butte Reservoir State Game Management Area Rainfall Forecast

Today 23 Aug
No Rain
Sun 24 Aug
No Rain
Mon 25 Aug
No Rain
Tue 26 Aug
No Rain
Wed 27 Aug
5%
Thu 28 Aug
10%
Fri 29 Aug
15%

Heart Butte Reservoir State Game Management Area Rainfall Statistics

August Rainfall

Glen Ullin Regional Airport (14.9 miles)

Total Rainfall 2025
2.8in
Daily Average 2025
0.01in
Wettest Day 14 July, 2025
0.4in
Wet Days 2025
34/235 (14%)
Total Rainfall July
1.5in
Daily Average July
0.05in
Wettest Day 14 July, 2025
0.4in
Wet Days July
13/31 (42%)
Total Rainfall August
0.3in
Daily Average August
0.01in
Wettest Day 17 August, 2025
0.2in
Wet Days August
5/23 (22%)

Climate (2013–Present)

Glen Ullin Regional Airport (14.9 miles)

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Annual Average 2020–2024
7.9in
Monthly Average 2020–2025
0.8in
Daily Average 2020–2025
0.04in
Wettest Day 4 July, 2022
1.6in

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