Alert archive / Minnesota / Severe Thunderstorm Warnings in 2026

Severe Thunderstorm Warning 88, NWS Grand Forks, ND

July 6, 20264 counties in Minnesota

NWS Grand Forks, ND issued this severe thunderstorm warning at Jul 6, 2026, 6:49 PM CDT for 4 counties in Minnesota. It was in force for 56 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
Jul 6, 2026, 6:49 PM CDT (23:49 UTC)
Expired
Jul 6, 2026, 7:45 PM CDT
In force
56 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon
Tornado
Possible
Hail
1.25 in
Wind
60.0 mph

Counties Becker County, MN, Clay County, MN, Mahnomen County, MN, Norman County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 102 km from the middle of the area, began a volume at 23:49 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.

IssuedProductOfficeLasted
Jul 6, 1:40 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

International Fa, MN (KINL), launched 12:00Z, 11.8 hours before the alert went out and 264 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, International Fa, MN at 12:00Z on 2026-07-06Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 0 joules per kilogram.LCLLFCEL10008507005003002001001 km2 km3 km6 km9 km12 km15 km-30°-20°-10°0°10°20°30°40°
Temperature in red, dew point in green, the mixed-layer parcel dashed.
HodographHodograph, International Fa, MN at 12:00Z on 2026-07-06The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 5 square meters per square second.193958Sfc1 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
0 J/kg
Mixed-layer CIN
No buoyant parcel
Mixed-layer LCL
1156 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
5 m²/s²
0-3 km storm-relative helicity
21 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.1

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 Jul 6, 6:40 PM CDT, 9 minutes earlier.

Area forecast discussion, Jul 6, 6:40 PM CDT, 9 minutes before
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Hazardous weather outlook, Jul 6, 4:28 AM CDT, 14 hours 21 minutes before
Hazardous Weather Outlook
National Weather Service Grand Forks ND
428 AM CDT Mon Jul 6 2026

NDZ006-007-014-015-024-070930-
Towner-Cavalier-Benson-Ramsey-Eddy-
428 AM CDT Mon Jul 6 2026

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

.DAY ONE...Today and Tonight

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated today.

MNZ001-002-004>009-013>017-022-023-NDZ008-016-026>030-054-070930-
West Polk-Norman-Kittson-Roseau-Lake Of The Woods-West Marshall-
East Marshall-North Beltrami-Pennington-Red Lake-East Polk-
North Clearwater-South Beltrami-Mahnomen-South Clearwater-Pembina-
Eastern Walsh-Nelson-Grand Forks-Griggs-Steele-Traill-
Western Walsh-
428 AM CDT Mon Jul 6 2026

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

.DAY ONE...Today and Tonight

There is a level 2 out of 5 severe risk this afternoon with a
primary risk for large hail along with secondary risk for strong
winds and a tornado or two.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

The probability for widespread hazardous weather is low.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be required today.

MNZ003-024-027>032-040-NDZ038-039-049-052-053-070930-
Clay-Hubbard-West Becker-East Becker-Wilkin-West Otter Tail-
East Otter Tail-Wadena-Grant-Barnes-Cass-Ransom-Sargent-Richland-
428 AM CDT Mon Jul 6 2026

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

.DAY ONE...Today and Tonight

There is a level 2 out of 5 severe risk this afternoon with a
primary risk for large hail along with secondary risk for strong
winds and a tornado or two.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

There is a level 2 out of 5 severe risk Tuesday for large hail
and damaging wind gusts along and south of I-94/HWY 10.

There is a level 2 of 4 risk for flash flooding across southeast
North Dakota and west central Minnesota Tuesday and Wednesday.

.SPOTTER INFORMATION STATEMENT...

Spotter activation may be required today.

In the hours before

Local storm report, Jul 6, 4:26 PM CDT, 2 hours 23 minutes before
Preliminary Local Storm Report
National Weather Service Grand Forks ND
426 PM CDT Mon Jul 6 2026

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

0416 PM     Tstm Wnd Gst     8.1 N Graceton          48.86N 94.84W
07/06/2026  M57 MPH          Lake of the Woods  MN   Mesonet

            PWS reports 57 mph gust.

&&
Local storm report, Jul 6, 4:30 PM CDT, 2 hours 19 minutes before
Preliminary Local Storm Report
National Weather Service Grand Forks ND
430 PM CDT Mon Jul 6 2026

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

0406 PM     Hail             Mentor                  47.70N 96.14W
07/06/2026  M1.00 Inch       Polk               MN   Broadcast Media

            Time estimated via radar.

&&
Local storm report, Jul 6, 5:49 PM CDT, 1 hour before
Preliminary Local Storm Report
National Weather Service Grand Forks ND
549 PM CDT Mon Jul 6 2026

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

0349 PM     Tstm Wnd Gst     9 NNE Pitt              48.84N 94.70W
07/06/2026  M53 MPH          Lake of the Woods  MN   Public

            PWS reports wind gust.

&&
Local storm report, Jul 6, 5:50 PM CDT, 59 minutes before
Preliminary Local Storm Report
National Weather Service Grand Forks ND
550 PM CDT Mon Jul 6 2026

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

0545 PM     Hail             Winger                  47.54N 95.99W
07/06/2026  M0.88 Inch       Polk               MN   Broadcast Media

            Relayed via broadcast media.

&&
Local storm report, Jul 6, 6:18 PM CDT, 31 minutes before
Preliminary Local Storm Report
National Weather Service Grand Forks ND
618 PM CDT Mon Jul 6 2026

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

0416 PM     Funnel Cloud     Karlstad                48.58N 96.52W
07/06/2026                   Kittson            MN   Broadcast Media

            Video sent to broadcast media shows funnel
            just south of Karlstad.

&&

The office that day

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

IssuedProductOfficeCountiesLasted
Jul 6, 2:19 PM CDTSevere Thunderstorm WarningFGFLake of the Woods56 min
Jul 6, 2:55 PM CDTSevere Thunderstorm WarningFGFKittson, Roseau65 min
Jul 6, 3:13 PM CDTSevere Thunderstorm WarningFGFLake of the Woods, Roseau62 min
Jul 6, 3:56 PM CDTSevere Thunderstorm WarningFGFMarshall, Roseau42 min
Jul 6, 4:11 PM CDTSevere Thunderstorm WarningFGFLake of the Woods64 min
Jul 6, 4:23 PM CDTSevere Thunderstorm WarningFGFPolk67 min
Jul 6, 5:08 PM CDTTornado WarningFGFMahnomen, Polk39 min
Jul 6, 5:11 PM CDTSevere Thunderstorm Warning Considerable damage threatFGFMarshall, Pennington37 min
Jul 6, 6:01 PM CDTSevere Thunderstorm WarningFGFMahnomen, Norman59 min
Jul 6, 6:15 PM CDTAreal Flood AdvisoryFGFClearwater, Mahnomen, Norman, Polk3 hr
Jul 6, 6:19 PM CDTTornado WarningFGFMahnomen, Norman41 min
Jul 6, 6:15 PM CDTSevere Thunderstorm WarningFGFRansom36 min

Nearby

Severe 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.