034
NWUS53 KFSD 021848
LSRFSD
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE SIOUX FALLS SD
148 PM CDT WED SEP 2 2026
.TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON
.DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE.
..REMARKS..
0439 PM HAIL 1 SSW FAIRFAX 43.01N 98.90W
09/01/2026 E0.88 INCH GREGORY SD TRAINED SPOTTER
0440 PM HAIL FAIRFAX 43.02N 98.89W
09/01/2026 E1.00 INCH GREGORY SD TRAINED SPOTTER
HEAVY RAINFALL ACCOMPANIED MOSTLY DIME SIZED
HAIL, BUT A FEW STONES WERE AS BIG AS A
QUARTER.
0453 PM HAIL 8 WSW PICKSTOWN 43.02N 98.68W
09/01/2026 E2.50 INCH GREGORY SD STORM CHASER
0505 PM HAIL 4 SSW PICKSTOWN 43.02N 98.56W
09/01/2026 E1.00 INCH GREGORY SD CO-OP OBSERVER
VARIOUS SIZES OF HAIL ACCOMPANIED HEAVY
RAINALL TOTALING 1.55 INCHES. A FEW OF THE
LARGEST STONES WERE AS BIG AS QUARTERS.
0507 PM HAIL PICKSTOWN 43.07N 98.53W
09/01/2026 E1.00 INCH CHARLES MIX SD TRAINED SPOTTER
0512 PM TSTM WND GST 2 WSW PICKSTOWN 43.05N 98.57W
09/01/2026 M56 MPH GREGORY SD MESONET
MESONET STATION 244 SD RWIS FT. RANDALL DAM.
0518 PM HAIL PICKSTOWN 43.06N 98.53W
09/01/2026 E2.75 INCH CHARLES MIX SD TRAINED SPOTTER
0544 PM HAIL 4 E RAVINIA 43.13N 98.35W
09/01/2026 E1.25 INCH CHARLES MIX SD PUBLIC
GROUND COVERED WITH HAIL RANGING FROM NICKEL
TO HALF DOLLAR SIZED.
0544 PM HAIL 3 NW WAGNER 43.11N 98.35W
09/01/2026 E0.88 INCH CHARLES MIX SD TRAINED SPOTTER
0558 PM TSTM WND GST 1 NW WAGNER 43.09N 98.32W
09/01/2026 M70 MPH CHARLES MIX SD PUBLIC
MEASURED ON PERSONAL WEATER STATION.
0618 PM HAIL 1 WSW MARTY 42.99N 98.44W
09/01/2026 E1.75 INCH CHARLES MIX SD TRAINED SPOTTER
IN ADDITION TO GOLF BALL SIZED HAIL, WINDS
WERE GUSTING AT 40-50 MPH, AND RAINFALL WAS
HEAVY.
0625 PM HAIL 2 NNE MARTY 43.03N 98.41W
09/01/2026 M1.00 INCH CHARLES MIX SD PUBLIC
0629 PM TSTM WND GST 2 WSW WAGNER 43.07N 98.33W
09/01/2026 M60 MPH CHARLES MIX SD TRAINED SPOTTER
WIND GUSTS ESTIMATED AROUND 60 MPH WERE
BENDING WHOLE TREES DURING THE PEAK OF THE
STORM. SHEETS OF RAIN WERE FALLING, ALONG
WITH PEA TO DIME SIZED HAIL.
0742 PM HAIL 8 WSW SPRINGFIELD 42.81N 98.05W
09/01/2026 M2.00 INCH BON HOMME SD PUBLIC
WINDOW BROKEN OUT. HAIL LESSENING AT 745 PM.
0747 PM HAIL 7 SW SPRINGFIELD 42.78N 97.99W
09/01/2026 M1.00 INCH BON HOMME SD PUBLIC
WIND DRIVEN HAIL BROKE TWO WINDOWS OUT OF
BUSINESS.
0757 PM TSTM WND GST SPRINGFIELD 42.86N 97.89W
09/01/2026 M61 MPH BON HOMME SD PUBLIC
MEASURED BY PERSONAL WEATHER STATION.
0821 PM TSTM WND DMG 11 NE VERMILLION 42.91N 96.80W
09/01/2026 UNION SD EMERGENCY MNGR
EM REPORTED A SEMI BLOWN OFF I-29 BETWEEN
MILE MARKER 33 AND 34 AT APPROXIMATELY 8:21
PM.
0852 PM HAIL 3 SSE LAKE PARK 43.40N 95.31W
09/01/2026 M0.70 INCH DICKINSON IA CO-OP OBSERVER
0905 PM TSTM WND DMG 1 W VERMILLION 42.78N 96.95W
09/01/2026 CLAY SD TRAINED SPOTTER
SPOTTER REPORTED MULTIPLE LARGE BRANCHES DOWN,
ESTIMATED BETWEEN 3 AND 5 INCHES AT THE BASE.
ALSO REPORTED THE RAIN WAS FLYING SIDEWAYS,
BUT NO HAIL WAS OCCURRING AT TIME OF REPORT.
0907 PM TSTM WND DMG VERMILLION 42.78N 96.93W
09/01/2026 CLAY SD EMERGENCY MNGR
REPORTS OF LARGE TREES DOWN IN CITY LIMITS.
0908 PM TSTM WND GST VERMILLION 42.78N 96.93W
09/01/2026 M62 MPH CLAY SD PUBLIC
MEASURED BY PERSONAL WEATHER STATON.
0909 PM TSTM WND GST 1 SE VERMILLION 42.78N 96.92W
09/01/2026 M59 MPH CLAY SD PUBLIC
MEASURED BY PERSONAL WEATHER STATION.
0910 PM TSTM WND GST 1 SSW VERMILLION 42.77N 96.93W
09/01/2026 M67 MPH CLAY SD AWOS
AWOS SYSTEM KVMR.
0921 PM TSTM WND DMG 11 SW ALCESTER 42.92N 96.80W
09/01/2026 UNION SD EMERGENCY MNGR
EM REPORT OF SEMI BLOWN OFF I-29 AT
APPROXIMATELY 9:21 PM BETWEEN MILE MARKER 33
AND 34. TIMING OF DAMAGE ALIGNS WELL WITH
RADAR WIND SURGE.
0925 PM TSTM WND DMG ALCESTER 43.03N 96.63W
09/01/2026 UNION SD EMERGENCY MNGR
EM REPORTED MULTIPLE LARGE TREE BRANCHES
DOWN OF 3 INCHES AND GREATER. ALSO REPORTED
MULTIPLE POWER LINES DOWN. SUSPECTED POWER
LINES WERE BROUGHT DOWN BY THE TREES. TIMING
ALIGNS WELL WITH RADAR VELOCITY DATA.
0926 PM TSTM WND GST 3 SSW BERESFORD 43.04N 96.80W
09/01/2026 M58 MPH UNION SD DEPT OF HIGHWAYS
0930 PM TSTM WND GST 10 SSE ALCESTER 42.89N 96.54W
09/01/2026 M60 MPH UNION SD PUBLIC
WIND MEASURED BY ANEMOMETER.
0950 PM TSTM WND GST 9 NNE HAWARDEN 43.12N 96.43W
09/01/2026 M81 MPH SIOUX IA PUBLIC
MEASURED BY PERSONAL WEATHER STATION.
1002 PM TSTM WND DMG HULL 43.19N 96.14W
09/01/2026 SIOUX IA EMERGENCY MNGR
TREE DOWN ON A POWERLINE KNOCKING OUT POWER
FOR A FEW CUSTOMERS IN HULL. TIME ESTIMATED
FROM RADAR.
1012 PM TSTM WND GST 4 SSE ROCK RAPIDS 43.37N 96.14W
09/01/2026 M64 MPH LYON IA PUBLIC
PERSONAL WEATHER STATION.
1013 PM HAIL 3 S SIOUX CENTER 43.03N 96.17W
09/01/2026 M0.70 INCH SIOUX IA EMERGENCY MNGR
DIME SIZE HAIL AND COUPLE STONES SLIGHTLY
LARGER A COUPLE MILES SOUTH OF SIOUX CENTER.
1018 PM HAIL 2 NNW ORANGE CITY 43.02N 96.07W
09/01/2026 M1.00 INCH SIOUX IA PUBLIC
REPORT FROM SOCIAL MEDIA. TIME ESTIMATED
FROM RADAR.
1030 PM HAIL TYNDALL 42.99N 97.87W
09/01/2026 E1.00 INCH BON HOMME SD CO-OP OBSERVER
MOSTLY NICKEL SIZED HAIL ACCOMPANIED THE
SECOND OF TWO EVENING STORMS AT ABOUT 1030
PM. A FEW STONES WERE AS LARGE AS QUARTERS.
RAINFALL TOTAL FROM BOTH STORMS WAS 0.85
INCH.
1037 PM TSTM WND GST 5 SSE ROCK RAPIDS 43.37N 96.13W
09/01/2026 M71 MPH LYON IA PUBLIC
PERSONAL WEATHER STATION.
1042 PM TSTM WND GST 2 NE GEORGE 43.36N 95.98W
09/01/2026 M73 MPH LYON IA PUBLIC
PERSONAL WEATHER STATION.
1047 PM TSTM WND GST 5 WSW LITTLE ROCK 43.42N 95.97W
09/01/2026 M63 MPH LYON IA PUBLIC
PERSONAL WEATHER STATION.
1108 PM TSTM WND GST 4 NE SIBLEY 43.45N 95.70W
09/01/2026 M60 MPH OSCEOLA IA PUBLIC
PERSONAL WEATHER STATION.
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page