Alert archive / North Dakota / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 19, NWS Grand Forks, ND

June 2, 2026Griggs County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jun 2, 2026, 8:46 PM CDT for Griggs County, North Dakota. It was in force for 59 min. No storm report in the archive falls inside the area while it was in force.

The area

The counties it named.

The facts

Issued: Jun 2, 2026, 8:46 PM CDT (01:46 UTC)
Expired: Jun 2, 2026, 9:45 PM CDT
In force: 59 min
Issued by: NWS Grand Forks, ND
Area: Storm-based polygon
Hail: 0.75 in
Wind: 60.0 mph

County Griggs County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 69 km from the middle of the area, began a volume at 01:45 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 watch it was issued in

The SPC watch in force over the same counties when this warning went out.

Issued	Product	Office	Lasted
Jun 2, 3:04 PM CDT	Severe Thunderstorm Watch	SPC	7 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 1.8 hours before the alert went out and 201 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-p

Temperature in red, dew point in green, the mixed-layer parcel dashed.

Hodograph

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: 1410 J/kg
Mixed-layer CIN: -40 J/kg
Mixed-layer LCL: 1722 m above ground
0-6 km bulk shear: 34 kt
0-1 km storm-relative helicity: 49 m²/s²
0-3 km storm-relative helicity: 188 m²/s²
Significant tornado parameter: 0.3
Supercell composite: 11.2

Open this sounding in Storm Lab

What forecasters said that day

The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.

NWS Grand Forks, ND wrote its last area forecast discussion before this severe thunderstorm warning went out at Jun 2, 7:01 PM CDT, 1 hour 45 minutes earlier.

Area forecast discussion, Jun 2, 7:01 PM CDT, 1 hour 45 minutes before

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Hazardous weather outlook, Jun 2, 7:17 AM CDT, 13 hours 29 minutes before

Hazardous Weather Outlook
National Weather Service Grand Forks ND
717 AM CDT Tue Jun 2 2026

NDZ006-007-014-015-024-054-031230-
Towner-Cavalier-Benson-Ramsey-Eddy-Western Walsh-
717 AM CDT Tue Jun 2 2026

This hazardous weather outlook is for portions of eastern North
Dakota.

.DAY ONE...Today and Tonight

There is a level 2 out of 5 risk for severe thunderstorms
this afternoon and evening over the Devils Lake Basin. The main
hazards are hail to golf balls, wind gusts 60 mph and a tornado
is possible. Heavy rainfall may occur as wel.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

There is a level 1 out of 5 risk for severe thunderstorms
Wednesday with continued hail and wind threat.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be required today.

MNZ001>005-007-008-013>016-022>024-027>032-040-NDZ008-016-026>030-
038-039-049-052-053-031230-
West Polk-Norman-Clay-Kittson-Roseau-West Marshall-East Marshall-
Pennington-Red Lake-East Polk-North Clearwater-Mahnomen-
South Clearwater-Hubbard-West Becker-East Becker-Wilkin-
West Otter Tail-East Otter Tail-Wadena-Grant-Pembina-
Eastern Walsh-Nelson-Grand Forks-Griggs-Steele-Traill-Barnes-Cass-
Ransom-Sargent-Richland-
717 AM CDT Tue Jun 2 2026

This hazardous weather outlook is for portions of eastern North
Dakota, west central and northwest Minnesota.

.DAY ONE...Today and Tonight

Showers and thunderstorms increase in coverage slowly from the
west tonight. Isolated severe possible this evening in parts of
northeast North Dakota.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

There is a level 2 out of 5 risk for severe thunderstorms for
southeast North Dakota and parts of west central Minnesota on
Wednesday. Level 1 out of 5 risk for severe thunderstorms
elsewhere on Wednesday. Main hazards are hail to golf ball and 60
mph wind. Localized heavy rainfall as well.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated today.

MNZ006-009-017-031230-
Lake Of The Woods-North Beltrami-South Beltrami-
717 AM CDT Tue Jun 2 2026

This hazardous weather outlook is for portions of northwest
Minnesota.

.DAY ONE...Today and Tonight

Near critical fire weather conditions this afternoon with
RH values dropping to the 20 to 25 percent range and southeast
winds 10 to 15 mph.

.DAYS TWO THROUGH SEVEN...Wednesday through Monday

There is a level 1 out of 5 risk for severe thunderstorms
Wednesday with hail and wind threat.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated today.

In the hours before

Local storm report, Jun 2, 3:35 PM CDT, 5 hours 11 minutes before

Preliminary Local Storm Report
National Weather Service Grand Forks ND
335 PM CDT Tue Jun 2 2026

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

0310 PM     Hail             3 NNW Hansboro          48.99N 99.39W
06/02/2026  E1.75 Inch       Towner             ND   Public

&&

jk

Local storm report, Jun 2, 4:41 PM CDT, 4 hours 5 minutes before

Preliminary Local Storm Report
National Weather Service Grand Forks ND
441 PM CDT Tue Jun 2 2026

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

1230 PM     Hail             2 E Osnabrock           48.67N 98.11W
06/02/2026  E1.00 Inch       Cavalier           ND   Public

&&

jk

Local storm report, Jun 2, 5:10 PM CDT, 3 hours 36 minutes before

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Local storm report, Jun 2, 5:27 PM CDT, 3 hours 19 minutes before

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Local storm report, Jun 2, 6:00 PM CDT, 2 hours 46 minutes before

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Local storm report, Jun 2, 8:09 PM CDT, 37 minutes before

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The office that day

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

Issued	Product	Office	Counties	Lasted
Jun 3, 6:58 PM CDT	Severe Thunderstorm Warning	FGF	Polk	47 min
Jun 2, 9:07 PM CDT	Severe Thunderstorm Warning Considerable damage threat	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, 2026 Every 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.