0in

Rain Today

Rain Last Hour
0in

Recorded at Rapid City, Rapid City Regional Airport Updated 1 hour 3 mins ago (26.6 miles away)

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Wettest (Last Hour) 1in
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Custer State Park Airport Rainfall Forecast

Today 16 Aug
70%
Mon 17 Aug
20%
Tue 18 Aug
40%
Wed 19 Aug
50%
Thu 20 Aug
30%
Fri 21 Aug
5%
Sat 22 Aug
20%

Custer State Park Airport Rainfall Statistics

August Rainfall

Custer, Custer County Airport (13 miles)

Total Rainfall 2026
11.9in
Daily Average 2026
0.1in
Wettest Day 30 May, 2026
2in
Wet Days 2026
62/228 (27%)
Total Rainfall July
4.2in
Daily Average July
0.1in
Wettest Day 8 July, 2026
0.8in
Wet Days July
16/31 (52%)
Total Rainfall August
0.9in
Daily Average August
0.1in
Wettest Day 13 August, 2026
0.5in
Wet Days August
3/16 (19%)

Climate (2021–2025)

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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