Record Rainfall in Sioux Falls - August 7, 2022

Overview

Training thunderstorms in a very moist atmosphere produced record-breaking rainfall in the city of Sioux Falls. Given ongoing drought conditions, the very heavy rainfall led to minimal flooding, mostly within the city limits. Area rivers and streams handled the heavy rain well, with rapid within-bank rises, but no river flooding was observed.

Multiple Rainfall Records for Sioux Falls were broken on August 7, 2022

Mulitple rainfall records were broken in Sioux Falls on August 7, 2022, including all-time daily and 24-hour records for any time of the year!

Rainfall
Radar & Rivers

Rain Reports

3-Day Radar Estimated Rainfall across eastern South Dakota, southwest Minnesota and northwest Iowa

24-hour rainfall reports via CoCoRaHS reporting network. Amounts across Sioux Falls generally range from under 2 inches in southern Sioux Falls, to over 5 inches in the far north

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0930 AM     HEAVY RAIN       3 NNW SIOUX FALLS       43.58N 96.75W
08/07/2022  M5.67 INCH       MINNEHAHA          SD   ASOS

            24 HOUR RAINFALL TOTAL AT ASOS STATION KFSD
            SIOUX FALLS AIRPORT.

0700 AM     HEAVY RAIN       BRANDON                 43.60N 96.58W
08/07/2022  M5.41 INCH       MINNEHAHA          SD   COCORAHS

            COCORAHS STATION SD-MH-106 BRANDON 0.4 NNE.

0800 AM     HEAVY RAIN       3 E SIOUX FALLS         43.55N 96.66W
08/07/2022  M5.20 INCH       MINNEHAHA          SD   COCORAHS

            COCORAHS STATION SD-MH-110 3 E SIOUX FALLS.

0729 AM     HEAVY RAIN       3 ESE SIOUX FALLS       43.54N 96.68W
08/07/2022  M4.82 INCH       MINNEHAHA          SD   COCORAHS

            COCORAHS STATION SD-MH-2 SIOUX FALLS 2.6
            ESE.

0846 AM     HEAVY RAIN       3 WSW LUVERNE           43.64N 96.26W
08/07/2022  M4.11 INCH       ROCK               MN   MESONET

            MESONET STATION FW5856 LUVERNE.

0700 AM     HEAVY RAIN       5 ESE CROOKS            43.62N 96.72W
08/07/2022  M3.97 INCH       MINNEHAHA          SD   COCORAHS

            COCORAHS STATION SD-MH-92 SIOUX FALLS 5.5 N.

0815 AM     HEAVY RAIN       2 WSW GARRETSON         43.71N 96.53W
08/07/2022  M3.90 INCH       MINNEHAHA          SD   COCORAHS

            COCORAHS STATION SD-MH-91 GARRETSON 1.7 WSW.

0700 AM     HEAVY RAIN       4 SSE GARRETSON         43.66N 96.47W
08/07/2022  M3.82 INCH       MINNEHAHA          SD   COCORAHS

            COCORAHS STATION SD-MH-78 GARRETSON 4.2 SSE.

0645 AM     HEAVY RAIN       4 NNE LESTER            43.49N 96.30W
08/07/2022  M3.75 INCH       LYON               IA   COCORAHS

            COCORAHS STATION IA-LY-10 ROCK RAPIDS 7.7
            WNW.

0800 AM     HEAVY RAIN       2 SW SIOUX FALLS        43.53N 96.75W
08/07/2022  M3.68 INCH       MINNEHAHA          SD   COCORAHS

            COCORAHS STATION SD-MH-105 SIOUX FALLS 1.6
            SW.

0700 AM     HEAVY RAIN       3 ESE SIOUX FALLS       43.52N 96.67W
08/07/2022  M3.60 INCH       MINNEHAHA          SD   COCORAHS

            COCORAHS STATION SD-MH-1 SIOUX FALLS 5.0 SE
            ARPT.

0700 AM     HEAVY RAIN       3 ESE SIOUX FALLS       43.52N 96.68W
08/07/2022  M3.53 INCH       MINNEHAHA          SD   COCORAHS

            COCORAHS STATION SD-MH-99 SIOUX FALLS 2.7
            ESE.

0730 AM     HEAVY RAIN       4 WSW SIOUX FALLS       43.53N 96.81W
08/07/2022  M3.51 INCH       MINNEHAHA          SD   COCORAHS

            COCORAHS STATION SD-MH-59 SIOUX FALLS 4.1
            WSW.

0800 AM     HEAVY RAIN       LAKE PARK               43.45N 95.33W
08/07/2022  M3.51 INCH       DICKINSON          IA   COCORAHS

            COCORAHS STATION IA-DK-6 LAKE PARK 0.2 N.

0700 AM     HEAVY RAIN       6 NW BEAVER CREEK       43.68N 96.43W
08/07/2022  M3.50 INCH       ROCK               MN   COCORAHS

            COCORAHS STATION MN-RK-4 BEAVER CREEK 5.8
            NW.

0859 AM     HEAVY RAIN       2 WSW TERRIL            43.30N 95.01W
08/07/2022  M3.50 INCH       DICKINSON          IA   MESONET

            MESONET STATION FW7399 TERRIL.

0313 AM     FLASH FLOOD      4 NNE SIOUX FALLS       43.59N 96.70W
08/07/2022                   MINNEHAHA          SD   LAW ENFORCEMENT

            MULTIPLE REPORTS OF VEHICLES STRANDED IN
            FLOODED STREETS IN NORTHERN AND WESTERN
            SIOUX FALLS.

0720 AM     FLASH FLOOD      1 ENE SIOUX FALLS       43.55N 96.71W
08/07/2022                   MINNEHAHA          SD   NWS EMPLOYEE

            DELAYED REPORT. STREET FLOODING ONGOING AT
            6TH ST AND CLIFF AVE.

0900 AM     FLASH FLOOD      2 E SIOUX FALLS         43.55N 96.69W
08/07/2022                   MINNEHAHA          SD   PUBLIC

            DELAYED REPORT. STREET FLOODING REPORTED AT
            I-229 AND EAST 10TH STREET ON-RAMP. REPORTED
            VIA SOCIAL MEDIA.

Radar & Rivers

Radar Loop showing storms developing and training over Sioux Falls in the early morning of August 7, 2022


Radar Loop from 1 am to 7 am Sunday, August 7, 2022	Radar Loop from 1 am to 7 am Sunday, August 7, 2022, zoomed into Sioux Falls

River Gages Around Sioux Falls


Skunk Creek in western Sioux Falls	Big Sioux River at Maple Street in western Sioux Falls	Big Sioux River at Western Avenue in southern Sioux Falls	Big Sioux River at North Cliff Avenue in northeast Sioux Falls

Big Sioux River near Brandon	Big Sioux River near Canton	Mud Creek at Lester Iowa	Rock River at Rock Rapids Iowa

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Storm Impacting the Northwest U.S.; Fire Weather Conditions in Southern California; Severe Weather in the South

Record Rainfall in Sioux Falls - August 7, 2022