Most Daily Precipitation in Rapid City History

This is a list of the largest daily precipitation totals ever recorded in Rapid City, South Dakota history from 1948–2024.

What's the Most It Has Ever Rained in Rapid City?

According to NOAA records, the most rain that Rapid City, South Dakota has ever received in a single day is 3.8 inches which occurred on Saturday June 15, 1963.

Also see most rain in: 2 days | 1 week | 1 month

Rapid City Most Rain in One Day

Rank	Precipitation	Date
1	3.8 inches	June 15, 1963
2	3.6 inches	June 14, 1976
3	3.2 inches	May 14, 1965
4	2.8 inches	May 21, 1999
5	2.6 inches	August 4, 1982
6	2.5 inches	June 14, 1980
7	2.5 inches	October 9, 1982
8	2.5 inches	July 15, 2015
9	2.3 inches	May 21, 2019
10	2.2 inches	June 9, 1986
11	2.1 inches	October 15, 1980
11	2.1 inches	September 13, 1966
13	2.1 inches	May 22, 2008
14	2.1 inches	June 9, 1972
15	2.1 inches	April 30, 1967
16	2.1 inches	September 29, 2014
16	2.1 inches	May 19, 2011
18	2.0 inches	August 13, 1997
19	2.0 inches	July 31, 1999
20	2.0 inches	October 12, 2023