Alert archive / North Dakota / Severe Thunderstorm Warnings in 2025

Severe Thunderstorm Warning 169, NWS Grand Forks, ND

August 18, 2025Barnes County, Griggs County, Steele County, North Dakota

NWS Grand Forks, ND issued this severe thunderstorm warning at Aug 18, 2025, 5:43 PM CDT for Barnes County, Griggs County, Steele County, North Dakota. It was in force for 32 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
Aug 18, 2025, 5:43 PM CDT (22:43 UTC)
Expired
Aug 18, 2025, 6:15 PM CDT
In force
32 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon
Hail
0.75 in
Wind
60.0 mph

Counties Barnes County, ND, Griggs County, ND, Steele County, ND

The radar

The Fargo/Grand Forks radar (KMVX), 58 km from the middle of the area, began a volume at 22:46 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 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 Aug 18, 2:29 PM CDT, 3 hours 14 minutes earlier.

Area forecast discussion, Aug 18, 2:29 PM CDT, 3 hours 14 minutes before
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Hazardous weather outlook, Aug 18, 2:44 PM CDT, 2 hours 59 minutes before
Hazardous Weather Outlook
National Weather Service Grand Forks ND
244 PM CDT Mon Aug 18 2025

NDZ006-007-014-015-191945-
Towner-Cavalier-Benson-Ramsey-
244 PM CDT Mon Aug 18 2025

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

.DAY ONE...This Afternoon and Tonight

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

There is a level 1 out of 5 risk for severe thunderstorms
Wednesday. The main hazards will be large hail and strong winds.
There is another chance for strong to severe storms on Thursday as
well.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated today.

MNZ001>009-013>017-022>024-027>032-040-NDZ008-016-024-026>030-038-
039-049-052>054-191945-
West Polk-Norman-Clay-Kittson-Roseau-Lake Of The Woods-
West Marshall-East Marshall-North Beltrami-Pennington-Red Lake-
East Polk-North Clearwater-South Beltrami-Mahnomen-
South Clearwater-Hubbard-West Becker-East Becker-Wilkin-
West Otter Tail-East Otter Tail-Wadena-Grant-Pembina-
Eastern Walsh-Eddy-Nelson-Grand Forks-Griggs-Steele-Traill-Barnes-
Cass-Ransom-Sargent-Richland-Western Walsh-
244 PM CDT Mon Aug 18 2025

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

.DAY ONE...This Afternoon and Tonight

The probability for widespread hazardous weather is low.

.DAYS TWO THROUGH SEVEN...Tuesday through Sunday

There is a chance for strong to severe storms on Thursday. The
main hazards will be large hail and strong winds.

.SPOTTER INFORMATION STATEMENT...

Spotter activation is not anticipated today.

In the hours before

Special weather statement, Aug 18, 4:51 PM CDT, 52 minutes before
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Special weather statement, Aug 18, 5:09 PM CDT, 34 minutes before
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Special weather statement, Aug 18, 5:30 PM CDT, 13 minutes before
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The office that day

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

IssuedProductOfficeCountiesLasted
Aug 18, 4:51 PM CDTSpecial Weather StatementFGFGriggs39 min
Aug 18, 5:09 PM CDTSpecial Weather StatementFGFBarnes21 min
Aug 18, 5:30 PM CDTSpecial Weather StatementFGFBarnes, Griggs45 min
Aug 18, 6:48 PM CDTSpecial Weather StatementFGFBarnes27 min
Aug 18, 6:59 PM CDTSpecial Weather StatementFGFTraill31 min

Nearby

Severe 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; radar from the NEXRAD Level II archive.