Alert archive / Minnesota / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 21, NWS Grand Forks, ND

June 19, 2025Wilkin County, Minnesota; Richland County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 19, 2025, 8:55 PM CDT for Wilkin County, Minnesota; Richland County, North Dakota. It was in force for 65 min. 5 reports came from inside the area while it was in force.

The area

The outline as issued, with what was reported inside it.

The facts

Issued
Jun 19, 2025, 8:55 PM CDT (01:55 UTC)
Expired
Jun 19, 2025, 10:00 PM CDT
In force
65 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon
Damage threat
Considerable
Hail
1.75 in
Wind
60.0 mph

Counties Wilkin County, MN, Richland County, ND

The radar

The Aberdeen radar (KABR), 146 km from the middle of the area, began a volume at 01:58 UTC, the scan nearest the moment this went out.

Open the radar archive at this moment

The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.

What was reported inside it

TimeReportWhereRemark
Jun 19, 9:00 PM CDTHAIL 1Hankinson, NDCorrects previous hail report from Hankinson. Estimated nickel to quarter size hail at the Hankinson School.
Jun 19, 9:20 PM CDTTSTM WND GST 552 Ssw Hankinson, NDPersonal Weather Station reported 55 mph wind gusts at 9:09PM local time.
Jun 19, 9:26 PM CDTHAIL 1Hankinson, NDEstimated nickel to quarter size hail at the Hankinson School.
Jun 19, 9:31 PM CDTTSTM WND GST 654 Sse Hankinson, NDTempest weather station recorded a wind gust of 65 MPH at 9:31 CDT.
Jun 19, 9:43 PM CDTHAIL 1.54 Se Hankinson, NDPing-Pong ball sized hail reported between Exit 1 and Exit 8 on I-29.

Local storm reports filed while the alert was in force, from inside its polygon or its counties.

The nearest sounding before it

Aberdeen, SD (KABR), launched 00:00Z, 1.9 hours before the alert went out and 183 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.

Skew-T log-pSkew-T log-p diagram, Aberdeen, SD at 00:00Z on 2025-06-20Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 667 joules per kilogram.LCLEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, Aberdeen, SD at 00:00Z on 2025-06-20The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 39 square meters per square second.1939587897Sfc1 km3 km6 km9 kmRMLM
The wind turning with height, colored by layer: ground to 1 km, 1 to 3 km, 3 to 6 km, 6 to 10 km.
Mixed-layer CAPE
667 J/kg
Mixed-layer CIN
-2 J/kg
Mixed-layer LCL
2939 m above ground
0-6 km bulk shear
51 kt
0-1 km storm-relative helicity
39 m²/s²
0-3 km storm-relative helicity
67 m²/s²
Significant tornado parameter
0.0
Supercell composite
1.1

Open this sounding in Storm Lab

The text

As transmitted.

421 
WUUS53 KFGF 200155
SVRFGF
MNC167-NDC077-200300-
/O.NEW.KFGF.SV.W.0021.250620T0155Z-250620T0300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Grand Forks ND
855 PM CDT Thu Jun 19 2025

The National Weather Service in Grand Forks has issued a

* Severe Thunderstorm Warning for...
  Southeastern Wilkin County in west central Minnesota...
  Southern Richland County in southeastern North Dakota...

* Until 1000 PM CDT.

* At 855 PM CDT, a severe thunderstorm was located over Mantador, or
  19 miles southwest of Wahpeton, moving southeast at 35 mph.

  HAZARD...Golf ball size hail and 60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...People and animals outdoors will be injured. Expect hail 
           damage to roofs, siding, windows, and vehicles. Expect 
           wind damage to roofs, siding, and trees.

* Locations impacted include...
  Hankinson, Fairmount, Mooreton, Campbell, Nashua, Mantador, and
  Great Bend.

This includes Interstate 29 between mile markers 0 and 22.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4613 9720 4632 9698 4606 9626 4602 9626
      4602 9657 4593 9656 4593 9692
TIME...MOT...LOC 0155Z 301DEG 29KT 4614 9697 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Thomas
4 follow-up statements
503 
WWUS53 KFGF 200212
SVSFGF

Severe Weather Statement
National Weather Service Grand Forks ND
912 PM CDT Thu Jun 19 2025

MNC167-NDC077-200300-
/O.CON.KFGF.SV.W.0021.000000T0000Z-250620T0300Z/
Wilkin MN-Richland ND-
912 PM CDT Thu Jun 19 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT
FOR SOUTH CENTRAL WILKIN AND SOUTHEASTERN RICHLAND COUNTIES...

At 912 PM CDT, a severe thunderstorm was located near Hankinson, or
10 miles northwest of Rosholt, moving southeast at 35 mph.

HAZARD...Golf ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Hankinson, Fairmount, Great Bend, Lamars, Blackmer, Sonora, and
Tenney.

This includes Interstate 29 between mile markers 0 and 16.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4602 9705 4619 9682 4603 9637 4602 9637
      4602 9657 4593 9656 4593 9692
TIME...MOT...LOC 0212Z 312DEG 32KT 4600 9683 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Thomas
048 
WWUS53 KFGF 200220
SVSFGF

Severe Weather Statement
National Weather Service Grand Forks ND
920 PM CDT Thu Jun 19 2025

MNC167-NDC077-200300-
/O.CON.KFGF.SV.W.0021.000000T0000Z-250620T0300Z/
Wilkin MN-Richland ND-
920 PM CDT Thu Jun 19 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT
FOR SOUTH CENTRAL WILKIN AND SOUTHEASTERN RICHLAND COUNTIES...

At 920 PM CDT, a severe thunderstorm was located over Lamars, or near
Rosholt, moving southeast at 35 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Radar indicated.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Hankinson, Fairmount, Lamars, Blackmer, Sonora, and Tenney.

This includes Interstate 29 between mile markers 0 and 11.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4599 9700 4616 9674 4603 9637 4602 9637
      4602 9657 4593 9656 4593 9692
TIME...MOT...LOC 0220Z 301DEG 29KT 4597 9675 

HAIL THREAT...OBSERVED
MAX HAIL SIZE...1.50 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH

$$

Thomas
140 
WWUS53 KFGF 200247
SVSFGF

Severe Weather Statement
National Weather Service Grand Forks ND
947 PM CDT Thu Jun 19 2025

MNC167-NDC077-200300-
/O.CON.KFGF.SV.W.0021.000000T0000Z-250620T0300Z/
Wilkin MN-Richland ND-
947 PM CDT Thu Jun 19 2025

...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 1000 PM CDT
FOR SOUTH CENTRAL WILKIN AND SOUTHEASTERN RICHLAND COUNTIES...

At 946 PM CDT, a severe thunderstorm was located near Wheaton, moving
southeast at 35 mph.

HAZARD...Ping pong ball size hail and 60 mph wind gusts.

SOURCE...Public.

IMPACT...People and animals outdoors will be injured. Expect hail 
         damage to roofs, siding, windows, and vehicles. Expect wind 
         damage to roofs, siding, and trees.

Locations impacted include...
Fairmount, Lamars, Blackmer, and Tenney.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4603 9637 4602 9637 4602 9657 4593 9656
      4593 9683 4610 9657
TIME...MOT...LOC 0246Z 303DEG 29KT 4585 9650 

HAIL THREAT...OBSERVED
MAX HAIL SIZE...1.50 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH

$$

Thomas
223 
WWUS53 KFGF 200252
SVSFGF

Severe Weather Statement
National Weather Service Grand Forks ND
952 PM CDT Thu Jun 19 2025

MNC167-NDC077-200301-
/O.EXP.KFGF.SV.W.0021.000000T0000Z-250620T0300Z/
Wilkin MN-Richland ND-
952 PM CDT Thu Jun 19 2025

...THE SEVERE THUNDERSTORM WARNING FOR SOUTH CENTRAL WILKIN AND
SOUTHEASTERN RICHLAND COUNTIES WILL EXPIRE AT 1000 PM CDT...

The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.

A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
west central Minnesota...and southeastern North Dakota.

To report severe weather, contact your nearest law enforcement
agency. They will relay your report to the National Weather Service
Grand Forks.

&&

LAT...LON 4603 9637 4602 9637 4602 9657 4593 9656
      4593 9683 4610 9657
TIME...MOT...LOC 0251Z 301DEG 29KT 4583 9646 

$$

Thomas

The office that day

Everything else NWS Grand Forks, ND issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Jun 19, 11:53 PM CDTSevere Thunderstorm WarningFGFClay, Otter Tail, Wilkin67 min
Jun 20, 12:43 AM CDTSevere Thunderstorm Warning Considerable damage threatFGFGrant, Otter Tail, Wilkin62 min
Jun 20, 2:51 AM CDTHeat AdvisoryFGFBecker, Beltrami, Clearwater, Grant, Hubbard, Lake of the Woods and 4 more64 hr
Jun 19, 7:30 PM CDTSevere Thunderstorm WarningFGFBarnes, Cass, Ransom45 min
Jun 19, 8:07 PM CDTSevere Thunderstorm WarningFGFRansom, Richland53 min
Jun 19, 8:36 PM CDTSevere Thunderstorm WarningFGFRichland24 min
Jun 19, 9:10 PM CDTSevere Thunderstorm WarningFGFBenson50 min

Nearby

Severe Thunderstorm Warnings in Minnesota, 2025Severe Thunderstorm Warnings in North Dakota, 2025Every severe thunderstorm warning in 2025

Sources

The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; local storm reports from the same archive; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.