Rapid City Rainfall Forecast

Today 13 Aug
95%
Fri 14 Aug
35%
Sat 15 Aug
45%
Sun 16 Aug
70%
Mon 17 Aug
35%
Tue 18 Aug
35%
Wed 19 Aug
30%

Rapid City Rainfall Statistics

August Rainfall

Ellsworth Air Force Base (8.1 miles)

Total Rainfall 2026
4.9in
Daily Average 2026
0.02in
Wettest Day 30 May, 2026
0.7in
Wet Days 2026
43/225 (19%)
Total Rainfall July
0.8in
Daily Average July
0.03in
Wettest Day 29 July, 2026
0.4in
Wet Days July
8/31 (26%)
Total Rainfall August
0in
Daily Average August
0in
Wettest Day 1 August, 2026
0in
Wet Days August
–

Climate (2021–2025)

Ellsworth Air Force Base (8.1 miles)

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Annual Average 2021–2025
14.3in
Monthly Average 2021–2026
1.1in
Daily Average 2021–2026
0.03in
Wettest Day 1 July, 2022
2.4in

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