A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >
Overview
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Severe storms moved across northwest Iowa, and nearby areas of northeast Nebraska, far southeast South Dakota, and southwest Minnesota on Father's Day 2020, Sunday, June 21st. Early storms produced up to 1 inch hail in the lower Missouri River Valley. By mid-late afternoon, the storms became largely wind producers, with a swath of wind gusts up to 60-65 mph across far northwest Iowa from Hawarden to Sheldon and Spirit Lake. |
 Shelf Cloud as storm approached Jackson, MN (photo by Judy Allen) |
Photos & Video
Wind Damage
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| Damaged Shed west of Worthing, SD (photo by Dakota Weather, Inc.) |
Tree Damage in Rock Valley, IA (photo by Zachary Boender) |
Storm Damage near Rock Valley, IA (Anonymous) |
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| Tree Damage near Hull, IA (photos by Donna Wallenberg) |
Tree Damage near Sheldon, IA (photos by Savannah Sauer) |
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| Wind Damage near Ashton, IA (photos by Keri Hall) |
Wind Damage at Lake Okabena in Worthington (photos by Lori Baker) |
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Picturesque Storm as it moved through the I-90 corridor in southwest Minnesota (around Worthington and Jackson, MN)
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| Storm passing near Worthington, MN (photos by Jessica Zuniga) |
Storm 10 miles east of Worthington (looking South) (photo by Stacey Marie Cristoffers) |
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| Storm near Round Lake, MN (photos by Randi Colby) |
Storm near Jackson, MN (photos by Judy Allen) |
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Radar
Two rounds of severe storms impacted the region this Father's Day.
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| Radar Loop from 4 am to 10 am | Radar Loop from 1 pm to 7 pm | Severe Thunderstorm Warnings issued on June 21, 2020 |
Storm Reports
PRELIMINARY LOCAL STORM REPORT...SUMMARY
NATIONAL WEATHER SERVICE SIOUX FALLS SD
905 PM CDT SUN JUN 21 2020
..TIME... ...EVENT... ...CITY LOCATION... ...LAT.LON...
..DATE... ....MAG.... ..COUNTY LOCATION..ST.. ...SOURCE....
..REMARKS..
0459 AM HAIL 3 ESE WATERBURY 42.44N 96.68W
06/21/2020 E1.00 INCH DAKOTA NE PUBLIC
SEVERAL 2 INCH DIAMETER BRANCHES ALSO DOWNED
BY STRAIGHT LINE WINDS.
0630 AM HAIL BRONSON 42.41N 96.21W
06/21/2020 E0.88 INCH WOODBURY IA PUBLIC
HAIL UP TO NICKEL SIZE WITH SOME DAMAGE TO
CORN LEAVES. ALSO REPORTED 1.5 INCHES OF
RAIN. REPORT VIA TWITTER.
0630 AM HAIL 1 SE BRONSON 42.40N 96.20W
06/21/2020 M1.00 INCH WOODBURY IA TRAINED SPOTTER
0634 AM TSTM WND DMG 3 E WESTFIELD 42.75N 96.55W
06/21/2020 PLYMOUTH IA LAW ENFORCEMENT
LAW ENFORCEMENT REPORTS 20 FT TALL OAK TREE
DOWN. TIME ESTIMATED FROM RADAR.
0654 AM TSTM WND GST 7 SSE MOVILLE 42.39N 96.03W
06/21/2020 E50 MPH WOODBURY IA TRAINED SPOTTER
A FEW SMALL BRANCHES DOWN WITH LEAVES
STRIPPED BY PEA SIZE HAIL.
0240 PM HAIL VERMILLION 42.78N 96.93W
06/21/2020 E1.00 INCH CLAY SD TRAINED SPOTTER
HAIL UP TO QUARTER SIZED IN DIAMETER
REPORTED IN VERMILLION.
0305 PM HAIL 6 NNE VERMILLION 42.86N 96.86W
06/21/2020 E1.00 INCH CLAY SD TRAINED SPOTTER
0320 PM TSTM WND GST 2 S ALCESTER 43.00N 96.63W
06/21/2020 M58 MPH UNION SD PUBLIC
0320 PM TSTM WND DMG ALCESTER 43.02N 96.63W
06/21/2020 UNION SD PUBLIC
SHINGLES DISLODGED AND TOSSED INTO DRIVEWAY.
REPORTED VIA SOCIAL MEDIA.
0325 PM TSTM WND GST 1 SSW HAWARDEN 42.99N 96.49W
06/21/2020 M58 MPH SIOUX IA PUBLIC
0330 PM TSTM WND DMG BERESFORD 43.08N 96.77W
06/21/2020 UNION SD EMERGENCY MNGR
TREE BRANCHES DOWN.
0348 PM TSTM WND DMG ROCK VALLEY 43.20N 96.30W
06/21/2020 SIOUX IA TRAINED SPOTTER
6 TO 9 INCH DIAMETER TREE BRANCH DOWN, POWER
OUTAGES IN ROCK VALLEY.
0357 PM TSTM WND GST ROCK RAPIDS 43.43N 96.16W
06/21/2020 E55 MPH LYON IA TRAINED SPOTTER
SMALL BRANCHES DOWN.
0359 PM TSTM WND DMG 1 SSW HULL 43.17N 96.14W
06/21/2020 SIOUX IA TRAINED SPOTTER
TREES DOWN FROM STRAIGHT LINE WINDS.
0415 PM TSTM WND DMG 1 NE ASHTON 43.32N 95.78W
06/21/2020 OSCEOLA IA PUBLIC
POWER POLE AND TREES DOWN.
0416 PM TSTM WND GST 2 N SHELDON 43.21N 95.84W
06/21/2020 M62 MPH O'BRIEN IA AWOS
0435 PM TSTM WND GST 7 ENE MELVIN 43.32N 95.47W
06/21/2020 E60 MPH OSCEOLA IA EMERGENCY MNGR
50-60 MPH GUSTS REPORTED.
0437 PM TSTM WND GST 7 ENE MELVIN 43.32N 95.47W
06/21/2020 E65 MPH OSCEOLA IA PUBLIC
NUMEROUS 4 TO 10 INCHES TREE BRANCHES DOWNED
BY STRAIGHT LINE WINDS.
0438 PM TSTM WND GST 3 W WORTHING 43.33N 96.83W
06/21/2020 M60 MPH LINCOLN SD PUBLIC
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0439 PM TSTM WND DMG 2 W WORTHING 43.33N 96.81W
06/21/2020 LINCOLN SD PUBLIC
SHED DAMAGED BY STRAIGHT LINE WINDS. REPORT
RECEIVED THROUGH SOCIAL MEDIA.
0440 PM TSTM WND DMG WORTHINGTON 43.62N 95.60W
06/21/2020 NOBLES MN PUBLIC
TREE KNOCKED DOWN BY STRAIGHT LINES WINDS.
REPORT VIA SOCIAL MEDIA.
0442 PM TSTM WND DMG LAKE PARK 43.45N 95.32W
06/21/2020 DICKINSON IA LAW ENFORCEMENT
BRANCHES DOWN IN LAKE PARK, REPORTED BY
LOCAL LAW ENFORCEMENT.
0443 PM HAIL 1 ENE OKOBOJI 43.40N 95.12W
06/21/2020 E1.00 INCH DICKINSON IA BROADCAST MEDIA
UP TO QUARTER SIZED HAIL.
0502 PM TSTM WND DMG SUPERIOR 43.43N 94.94W
06/21/2020 DICKINSON IA TRAINED SPOTTER
A FEW 4-5 INCH DIAMETER TREE BRANCHES DOWN.
0611 PM HAIL 3 E WAKONDA 43.00N 97.04W
06/21/2020 E0.70 INCH CLAY SD CO-OP OBSERVER
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