Black Hills Receive Over an Inch of Rain

A storm system accompanied by a front moved through South Dakota last night, delivering significant rainfall before midnight. The heaviest amounts of rain were over the west and the Black Hills, with some locations receiving over an inch.

Here are the rainfall totals for Wednesday, October 15th, 2025, from midnight to midnight local time.

Personal Digital Weather Stations:

0.7 Mi NW of Piedmont - 1.06"

1.4 Mi NE Black Hawk - 1.01"

Rapid City (near Quarry Park) - 0.84"

2.7 Mi SW Custer - 0.73"

Spearfish (Mountain Plains) - 0.67"

Hill City - 0.55"

1.9 Mi NE Rockerville - 0.54"

Spearfish (near Elk Country Estates) - 0.54"

Rapid City (near Centennial Park) - 0.29"

North Sioux City (near Dakota Valley Schools) - 0.07"

Chamberlain (Near National Guard Armory) - 0.04"

1.2 Mi SW Clear Lake - 0.06"

Sioux Falls (near Journey Elementary) - 0.05"

Sioux Falls (near Linwood Park) - 0.05"

Wessington Springs - 0.05"

Sioux Falls (near JFK Elementary) - 0.04"

Sioux Falls (near John Harris Elementary) - 0.04"

Sioux Falls (near Harmodon Park) - 0.03"

Castlewood - 0.01"

Dempster - 0.01"

Watertown (near Herzog Park) - 0.01"

MID Digital Weather Stations:

13.6 Mi NW Hill City - 1.64"

Rapid City (Near Quarry Park) - 1.03"

0.9 Mi W Rapid City - 0.68"

Spearfish (Near Lookout Mountain) - 0.61"

Jewel Cave National Monument - 0.59"

3.4 Mi W Custer - 0.58"

1.6 Mi W Terry Peak - 0.52"

1.9 Mi SW Spearfish Airport - 0.41"

3 Mi NW Whitewood - 0.41"

4.3 Mi SE Keystone - 0.3"

4.7 Mi S Canova - 0.34"

Hermosa - 0.27"

12.6 Mi N Wasta - 0.23"

14 Mi SE Union Center - 0.21"

Groton - 0.19"

Aberdeen (Near Central High School) - 0.17"

Badlands National Park - 0.04"

Eureka - 0.02"

8.4 Mi SW Oacoma - 0.01"

Total Rainfall Storm Reports:

4 mi NNE Summerset - 1.30"

1 mi NNW Piedmont - 1.14"

3 mi SE Saint Onge - 0.77"

1 mi SE Belle Fourche - 0.77"

1 mi NE Dwtn Rapid City - 0.67"