Severe Storms Bring High Winds and Heavy Rain - June 25. 2020

Overview

A complex of storms moved across the area during the evening and overnight hours of June 25th. Storms that developed initially late in the afternoon brought large hail and damaging winds to the area, with observed wind gusts near Mitchell, SD approaching 70 mph. While severe weather reports were sporadic, the track of severe storms moved from south of Chamberlain northeast through Mitchell before storms weakening by the time they reached Interstate 29.

A second round of thunderstorms developed and moved through the region during the overnight hours, bringing heavy rain to areas near Huron and De Smet, SD. A 24 hour observed rainfall total of 6.30 inches was reported southwest of De Smet in Kingsbury county resulting in localized flash flooding.

Radar Loop of Thunderstorms on June 25


Severe Weather Warnings Issued	Observed Precipitation June 25-26	Local Storm Reports

Photos & Video
Radar and Precipitation
Storm Reports

Photos & Video

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Photo Near Brookings, SD (Mitch Miller)	Sioux Falls Airport View (NWS Sioux Falls)	Flooding Southwest of De Smet, SD (Kingsbury County Sheriff Dept)	Flooding Southwest of De Smet, SD (Kingsbury County Sheriff Dept)

Shelf Cloud Near Plankinton (Henry Cramer)

Radar and Observed Precipitation

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Radar Near Mitchell, SD Leading to Strong Winds	Severe Storms Near Chamberlain	Estimated Rainfall Near Huron	Observed Rainfall Totals

Storm Reports

PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE SIOUX FALLS SD
1152 AM CDT FRI JUN 26 2020

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

0821 PM     HAIL             3 SE SIOUX FALLS        43.51N 96.70W
06/25/2020  U0.75 INCH       MINNEHAHA          SD   PUBLIC           

            REPORT FROM MPING: DIME (0.75 IN.). 

0807 PM     HAIL             5 W SIOUX FALLS         43.53N 96.84W
06/25/2020  U0.50 INCH       MINNEHAHA          SD   PUBLIC           

            REPORT FROM MPING: HALF-INCH (0.50 IN.). 

0802 PM     HAIL             5 W SIOUX FALLS         43.53N 96.84W
06/25/2020  U0.75 INCH       MINNEHAHA          SD   PUBLIC           

            REPORT FROM MPING: DIME (0.75 IN.). 

0644 PM     TSTM WND GST     3 SE MONTROSE           43.67N 97.15W
06/25/2020  M69 MPH          MCCOOK             SD   PUBLIC           

            MEASURED ON THE INSTRUMENT MONTROSE SD547. 

0738 AM     HEAVY RAIN       MADISON                 44.01N 97.11W
06/26/2020  M2.23 INCH       LAKE               SD   PUBLIC           

            24 HOUR PRECIPITATION TOTAL. 

0726 AM     HEAVY RAIN       5 SW DE SMET            44.34N 97.62W
06/26/2020  M6.30 INCH       KINGSBURY          SD   PUBLIC           

             

0650 AM     HEAVY RAIN       DE SMET                 44.38N 97.55W
06/26/2020  M1.86 INCH       KINGSBURY          SD   CO-OP OBSERVER   

             

0400 AM     FLASH FLOOD      8 S DE SMET             44.27N 97.55W
06/26/2020                   KINGSBURY          SD   LAW ENFORCEMENT  

            RAPIDLY FLOWING WATER TO A FOOT DEPTH OVER 
            HIGHWAY 25 AT 215TH ST. 

1201 AM     FLASH FLOOD      6 S IROQUOIS            44.28N 97.85W
06/26/2020                   KINGSBURY          SD   LAW ENFORCEMENT  

            LOCAL LAW ENFORCEMENT CAME ACROSS DEEP WATER 
            FLOWING ACROSS THE ROAD. DID NOT KNOW 
            EXACTLY HOW DEEP, BUT DEEP ENOUGH THAT HE 
            FELT HE SHOULD TURN AROUND. 

0555 PM     TSTM WND GST     4 ENE ALEXANDRIA        43.67N 97.71W
06/25/2020  M66 MPH          HANSON             SD   MESONET          

            MESONET STATION 213 SD RWIS ALEXANDRIA. 

0549 PM     TSTM WND GST     3 N MITCHELL            43.77N 98.04W
06/25/2020  M59 MPH          DAVISON            SD   ASOS             

             

0535 PM     TSTM WND GST     3 N MITCHELL            43.77N 98.04W
06/25/2020  M66 MPH          DAVISON            SD   ASOS             

             

0438 PM     HAIL             14 WNW PLATTE           43.49N 99.07W
06/25/2020  E1.00 INCH       CHARLES MIX        SD   PUBLIC           

            TRAINED SPOTTER RECEIVED REPORT FROM HIS 
            PARENTS. 

0433 PM     TSTM WND GST     17 WNW PLATTE           43.49N 99.15W
06/25/2020  E60 MPH          CHARLES MIX        SD   TRAINED SPOTTER  

            SPOTTER RECEIVED HEAVY RAINFALL, AND STRONG 
            WINDS ESTIMATING UP TO 60 MPH. 

0352 PM     HAIL             15 WNW PLATTE           43.47N 99.13W
06/25/2020  E0.70 INCH       CHARLES MIX        SD   PUBLIC           

             

0431 PM     HAIL             6 N KIMBALL             43.83N 98.98W
06/25/2020  E1.00 INCH       BRULE              SD   PUBLIC           

            HEAVY RAINFALL, HAIL TO THE SIZE OF 
            QUARTERS, WITH WINDS GUSTING TO 30 MPH. 

0422 PM     HAIL             18 S PUKWANA            43.52N 99.17W
06/25/2020  E1.00 INCH       BRULE              SD   TRAINED SPOTTER  

            DELAYED REPORT. SENT PIC OF QUARTER TO 
            NICKEL SIZED HAIL VIA SOCIAL MEDIA. 

0600 AM     HEAVY RAIN       6 SSW IROQUOIS          44.29N 97.92W
06/26/2020  M3.48 INCH       BEADLE             SD   PUBLIC           

             

0600 AM     HEAVY RAIN       6 SSE CAVOUR            44.29N 98.01W
06/26/2020  M3.48 INCH       BEADLE             SD   PUBLIC           

             

0449 PM     HAIL             11 N WHITE LAKE         43.89N 98.70W
06/25/2020  M1.00 INCH       AURORA             SD   TRAINED SPOTTER  

            JUST A COUPLE HAIL STONES. 

0418 AM     TSTM WND GST     2 WNW BERGEN            43.80N 95.03W
06/26/2020  E50 MPH          JACKSON            MN   EMERGENCY MNGR

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