Custer State Park Airport Rainfall Forecast

Today 16 May
5%
Sun 17 May
80%
Mon 18 May
95%
Tue 19 May
60%
Wed 20 May
15%
Thu 21 May
35%
Fri 22 May
15%

Custer State Park Airport Rainfall Statistics

May Rainfall

Custer, Custer County Airport (13 miles)

Total Rainfall 2026
2.6in
Daily Average 2026
0.02in
Wettest Day 24 April, 2026
0.4in
Wet Days 2026
25/136 (18%)
Total Rainfall April
1.6in
Daily Average April
0.1in
Wettest Day 24 April, 2026
0.4in
Wet Days April
10/30 (33%)
Total Rainfall May
0.4in
Daily Average May
0.03in
Wettest Day 9 May, 2026
0.4in
Wet Days May
2/16 (13%)

Climate (2010–Present)

Custer, Custer County Airport (13 miles)

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Annual Average 2021–2025
18.1in
Monthly Average 2021–2026
1.5in
Daily Average 2021–2026
0.05in
Wettest Day 12 October, 2023
2in

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