Alert archive / North Dakota / Tornado Warnings in 2026

Tornado Warning 8, NWS Grand Forks, ND

June 29, 2026Cavalier County, Towner County, North Dakota

NWS Grand Forks, ND issued this tornado warning at Jun 29, 2026, 7:15 PM CDT for Cavalier County, Towner County, North Dakota. It was in force for 30 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 29, 2026, 7:15 PM CDT (00:15 UTC)
Expired
Jun 29, 2026, 7:45 PM CDT
In force
30 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon
Tornado
Radar indicated
Hail
1.0 in

Counties Cavalier County, ND, Towner County, ND

The radar

The Minot AFB radar (KMBX), 152 km from the middle of the area, began a volume at 00:17 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
Jun 29, 2:00 PM CDTTornado WatchSPC10 hr

The nearest sounding before it

Bismarck Municip, ND (KBIS), launched 00:00Z, 0.3 hours before the alert went out and 273 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, Bismarck Municip, ND at 00:00Z on 2026-06-30Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 623 joules per kilogram.LCLLFCEL10008507005003002001001 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, Bismarck Municip, ND at 00:00Z on 2026-06-30The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity -24 square meters per square second.1939587897117Sfc1 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
623 J/kg
Mixed-layer CIN
-245 J/kg
Mixed-layer LCL
1095 m above ground
0-6 km bulk shear
69 kt
0-1 km storm-relative helicity
-24 m²/s²
0-3 km storm-relative helicity
9 m²/s²
Significant tornado parameter
0.0
Supercell composite
-0.9

Open this sounding in Storm Lab

The text

As transmitted.

951 
WFUS53 KFGF 300015
TORFGF
NDC019-095-300045-
/O.NEW.KFGF.TO.W.0008.260630T0015Z-260630T0045Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Grand Forks ND
715 PM CDT Mon Jun 29 2026

The National Weather Service in Grand Forks has issued a

* Tornado Warning for...
  Northeastern Towner County in northeastern North Dakota...
  Northwestern Cavalier County in northeastern North Dakota...

* Until 745 PM CDT.

* At 715 PM CDT, a severe thunderstorm capable of producing a tornado
  was located near Sarles, or 33 miles west of Langdon, moving
  northeast at 35 mph.

  HAZARD...Tornado and quarter size hail.

  SOURCE...Radar indicated rotation.

  IMPACT...Flying debris will be dangerous to those caught without 
           shelter. Mobile homes will be damaged or destroyed. 
           Damage to roofs, windows, and vehicles will occur.  Tree 
           damage is likely.

* Locations impacted include...
  Sarles and Calvin.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4900 9868 4877 9905 4889 9925 4900 9912
TIME...MOT...LOC 0015Z 222DEG 32KT 4890 9907 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Thomas
3 follow-up statements
734 
WWUS53 KFGF 300021
SVSFGF

Severe Weather Statement
National Weather Service Grand Forks ND
721 PM CDT Mon Jun 29 2026

NDC019-095-300045-
/O.CON.KFGF.TO.W.0008.000000T0000Z-260630T0045Z/
Towner ND-Cavalier ND-
721 PM CDT Mon Jun 29 2026

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
NORTHEASTERN TOWNER AND NORTHWESTERN CAVALIER COUNTIES...

At 721 PM CDT, a severe thunderstorm capable of producing a tornado
was located over Sarles, or 31 miles northwest of Langdon, moving
northeast at 35 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

Locations impacted include...
Sarles.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4900 9868 4885 9901 4892 9914 4900 9906
TIME...MOT...LOC 0021Z 222DEG 32KT 4894 9901 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Thomas
462 
WWUS53 KFGF 300034
SVSFGF

Severe Weather Statement
National Weather Service Grand Forks ND
734 PM CDT Mon Jun 29 2026

NDC019-095-300045-
/O.CON.KFGF.TO.W.0008.000000T0000Z-260630T0045Z/
Towner ND-Cavalier ND-
734 PM CDT Mon Jun 29 2026

...A TORNADO WARNING REMAINS IN EFFECT UNTIL 745 PM CDT FOR
NORTHEASTERN TOWNER AND NORTHWESTERN CAVALIER COUNTIES...

At 734 PM CDT, a severe thunderstorm capable of producing a tornado
was located 7 miles northeast of Sarles, or 29 miles northwest of
Langdon, moving northeast at 35 mph.

HAZARD...Tornado and quarter size hail.

SOURCE...Radar indicated rotation.

IMPACT...Flying debris will be dangerous to those caught without 
         shelter. Mobile homes will be damaged or destroyed. Damage 
         to roofs, windows, and vehicles will occur.  Tree damage is 
         likely.

This tornadic thunderstorm will remain over mainly rural areas of
northeastern Towner and northwestern Cavalier Counties.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

TAKE COVER NOW! Move to a basement or an interior room on the lowest
floor of a sturdy building. Avoid windows. If you are outdoors, in a
mobile home, or in a vehicle, move to the closest substantial shelter
and protect yourself from flying debris.

&&

LAT...LON 4892 9886 4900 9901 4900 9869
TIME...MOT...LOC 0034Z 222DEG 32KT 4903 9889 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...1.00 IN

$$

Thomas
542 
WWUS53 KFGF 300037
SVSFGF

Severe Weather Statement
National Weather Service Grand Forks ND
737 PM CDT Mon Jun 29 2026

NDC019-095-300046-
/O.EXP.KFGF.TO.W.0008.000000T0000Z-260630T0045Z/
Towner ND-Cavalier ND-
737 PM CDT Mon Jun 29 2026

...THE TORNADO WARNING FOR NORTHEASTERN TOWNER AND NORTHWESTERN
CAVALIER COUNTIES WILL EXPIRE AT 745 PM CDT...

The storm which prompted the warning has moved out of the area.
Therefore, the warning will be allowed to expire.  However, gusty
winds are still possible with this thunderstorm.

A Tornado Watch remains in effect until 1000 PM CDT for northeastern
North Dakota.

Remember, a Severe Thunderstorm Warning still remains in effect for
northwest Cavalier until 8:15pm

&&

LAT...LON 4892 9886 4900 9901 4900 9869
TIME...MOT...LOC 0036Z 222DEG 32KT 4903 9889 

$$

Thomas

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 29, 7:13 PM CDTSevere Thunderstorm WarningFGFCavalier, Towner62 min
Jun 29, 7:55 PM CDTSevere Thunderstorm WarningFGFCass, Richland65 min
Jun 29, 8:48 PM CDTTornado WarningFGFGrand Forks, Traill42 min
Jun 29, 10:32 PM CDTSevere Thunderstorm WarningFGFBenson, Cavalier, Ramsey, Towner73 min
Jun 29, 10:56 PM CDTSevere Thunderstorm Warning Considerable damage threatFGFGrand Forks, Walsh44 min

Nearby

Tornado Warnings in North Dakota, 2026Every tornado warning in 2026Tornadoes 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.