Alert archive / North Dakota / Severe Thunderstorm Warnings in 2026
Severe Thunderstorm Warning 21, NWS Grand Forks, ND
NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 3, 2026, 6:58 PM CDT for Grand Forks County, North Dakota; Polk County, Minnesota. It was in force for 47 min. No storm report in the archive falls inside the area while it was in force.
The area
The outline as issued.
The facts
- Issued
- Jun 3, 2026, 6:58 PM CDT (23:58 UTC)
- Expired
- Jun 3, 2026, 7:45 PM CDT
- In force
- 47 min
- Issued by
- NWS Grand Forks, ND
- Area
- Storm-based polygon
- Hail
- 1.0 in
- Wind
- 60.0 mph
Counties Polk County, MN, Grand Forks County, ND
The radar
The Fargo/Grand Forks radar (KMVX), 68 km from the middle of the area, began a volume at 00:00 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.
The nearest sounding before it
International Fa, MN (KINL), launched 12:00Z, 12.0 hours before the alert went out and 265 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.
- Mixed-layer CAPE
- 0 J/kg
- Mixed-layer CIN
- No buoyant parcel
- Mixed-layer LCL
- 2092 m above ground
- 0-6 km bulk shear
- 33 kt
- 0-1 km storm-relative helicity
- 171 m²/s²
- 0-3 km storm-relative helicity
- 135 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- 0.0
The text
As transmitted.
780
WUUS53 KFGF 032358
SVRFGF
MNC119-NDC035-040045-
/O.NEW.KFGF.SV.W.0021.260603T2358Z-260604T0045Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Grand Forks ND
658 PM CDT Wed Jun 3 2026
The National Weather Service in Grand Forks has issued a
* Severe Thunderstorm Warning for...
Northwestern Polk County in northwestern Minnesota...
East central Grand Forks County in northeastern North Dakota...
* Until 745 PM CDT.
* At 657 PM CDT, a severe thunderstorm was located just north of
Grand Forks, moving east at 35 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Grand Forks, East Grand Forks, Euclid, Angus, Tabor, Key West, and
Sherack.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4795 9652 4790 9717 4800 9719 4818 9669
4817 9664
TIME...MOT...LOC 2357Z 250DEG 28KT 4797 9701
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Rafferty3 follow-up statements
702
WWUS53 KFGF 040014
SVSFGF
Severe Weather Statement
National Weather Service Grand Forks ND
714 PM CDT Wed Jun 3 2026
NDC035-040023-
/O.CAN.KFGF.SV.W.0021.000000T0000Z-260604T0045Z/
Grand Forks ND-
714 PM CDT Wed Jun 3 2026
...THE SEVERE THUNDERSTORM WARNING FOR EAST CENTRAL GRAND FORKS
COUNTY IS CANCELLED...
The severe thunderstorm which prompted the warning has moved out of
the warned area. Therefore, the warning has been cancelled.
&&
LAT...LON 4799 9654 4795 9705 4802 9706 4817 9664
TIME...MOT...LOC 0013Z 257DEG 31KT 4802 9686
$$
MNC119-040045-
/O.CON.KFGF.SV.W.0021.000000T0000Z-260604T0045Z/
Polk MN-
714 PM CDT Wed Jun 3 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR NORTHWESTERN POLK COUNTY...
At 713 PM CDT, a severe thunderstorm was located over mainly rural
areas of northwestern Polk County , moving east at 35 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Angus, Tabor, and Sherack.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4799 9654 4795 9705 4802 9706 4817 9664
TIME...MOT...LOC 0013Z 257DEG 31KT 4802 9686
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Rafferty471
WWUS53 KFGF 040028
SVSFGF
Severe Weather Statement
National Weather Service Grand Forks ND
728 PM CDT Wed Jun 3 2026
MNC119-040045-
/O.CON.KFGF.SV.W.0021.000000T0000Z-260604T0045Z/
Polk MN-
728 PM CDT Wed Jun 3 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 745 PM CDT
FOR NORTHWESTERN POLK COUNTY...
At 728 PM CDT, a severe thunderstorm was located over Sherack, or 15
miles northeast of Grand Forks, moving east at 25 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Angus, Tabor, and Sherack.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4797 9689 4806 9691 4813 9675 4817 9664
4800 9654
TIME...MOT...LOC 0028Z 248DEG 21KT 4804 9678
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Rafferty380
WWUS53 KFGF 040038
SVSFGF
Severe Weather Statement
National Weather Service Grand Forks ND
738 PM CDT Wed Jun 3 2026
MNC119-040048-
/O.EXP.KFGF.SV.W.0021.000000T0000Z-260604T0045Z/
Polk MN-
738 PM CDT Wed Jun 3 2026
...THE SEVERE THUNDERSTORM WARNING FOR NORTHWESTERN POLK COUNTY WILL
EXPIRE AT 745 PM CDT...
The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.
&&
LAT...LON 4797 9689 4806 9691 4813 9675 4817 9664
4800 9654
TIME...MOT...LOC 0038Z 250DEG 28KT 4806 9670
$$
RaffertyThe office that day
Everything else NWS Grand Forks, ND issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 2, 8:46 PM CDT | Severe Thunderstorm Warning | FGF | Griggs | 59 min |
| Jun 2, 9:07 PM CDT | Severe Thunderstorm Warning | FGF | Grand Forks, Griggs, Nelson, Steele, Traill | 53 min |
| Jun 2, 9:54 PM CDT | Areal Flood Advisory | FGF | Pembina | 3 hr |
| Jun 2, 10:39 PM CDT | Special Weather Statement | FGF | Grand Forks | 51 min |
| Jun 3, 3:49 PM CDT | Special Weather Statement | FGF | Traill | 26 min |
| Jun 3, 4:12 PM CDT | Special Weather Statement | FGF | Grand Forks | 33 min |
| Jun 3, 4:53 PM CDT | Special Weather Statement | FGF | Grand Forks | 37 min |
| Jun 3, 5:24 PM CDT | Special Weather Statement | FGF | Grand Forks | 36 min |
| Jun 3, 6:17 PM CDT | Special Weather Statement | FGF | Grand Forks | 28 min |
Nearby
Severe Thunderstorm Warnings in North Dakota, 2026Severe Thunderstorm Warnings in Minnesota, 2026Every severe thunderstorm warning in 2026
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; the sounding from the Mesonet's radiosonde archive; radar from the NEXRAD Level II archive.