Black Hills National Forest Rainfall Forecast

Today 24 Jun
65%
Thu 25 Jun
50%
Fri 26 Jun
80%
Sat 27 Jun
40%
Sun 28 Jun
30%
Mon 29 Jun
40%
Tue 30 Jun
10%

Black Hills National Forest Rainfall Statistics

June Rainfall

Custer, Custer County Airport (16.8 miles)

Total Rainfall 2026
6.4in
Daily Average 2026
0.04in
Wettest Day 30 May, 2026
2in
Wet Days 2026
40/175 (23%)
Total Rainfall May
3.3in
Daily Average May
0.1in
Wettest Day 30 May, 2026
2in
Wet Days May
10/31 (32%)
Total Rainfall June
1in
Daily Average June
0.04in
Wettest Day 21 June, 2026
0.6in
Wet Days June
7/24 (29%)

Climate (2021–2025)

Custer, Custer County Airport (16.8 miles)

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Annual Average 2021–2025
18.1in
Monthly Average 2021–2026
1.4in
Daily Average 2021–2026
0.05in
Wettest Day 12 October, 2023
2in

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