Rapid City Rainfall Forecast

Today 1 Sep
5%
Tue 2 Sep
5%
Wed 3 Sep
30%
Thu 4 Sep
No Rain
Fri 5 Sep
No Rain
Sat 6 Sep
5%
Sun 7 Sep
15%

Rapid City Rainfall Statistics

September Rainfall

Ellsworth Air Force Base (8.1 miles)

Total Rainfall 2025
6.8in
Daily Average 2025
0.03in
Wettest Day 25 June, 2025
0.9in
Wet Days 2025
49/244 (20%)
Total Rainfall August
0.1in
Daily Average August
0in
Wettest Day 4 August, 2025
0.02in
Wet Days August
4/31 (13%)
Total Rainfall September
–
Daily Average September
–
Wettest Day 1 September, 2025
–
Wet Days September
–

Climate (2010–Present)

Ellsworth Air Force Base (8.1 miles)

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Annual Average 2020–2024
27.5in
Monthly Average 2020–2025
2.3in
Daily Average 2020–2025
0.1in
Wettest Day 5 October, 2020
5.7in

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