Alert archive / Minnesota / Tornado Warnings in 2026

Tornado Warning 2, NWS Grand Forks, ND

June 10, 2026Norman County, Polk County, Minnesota

NWS Grand Forks, ND issued this tornado warning at Jun 10, 2026, 2:17 AM CDT for Norman County, Polk County, Minnesota. It was in force for 26 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 10, 2026, 2:17 AM CDT (07:17 UTC)
Expired
Jun 10, 2026, 2:43 AM CDT
In force
26 min
Issued by
NWS Grand Forks, ND
Area
Storm-based polygon
Tornado
Radar indicated
Hail
0.75 in

Counties Norman County, MN, Polk County, MN

The radar

The Fargo/Grand Forks radar (KMVX), 68 km from the middle of the area, began a volume at 07:17 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 9, 9:05 PM CDTSevere Thunderstorm WatchSPC7 hr

The nearest sounding before it

International Fa, MN (KINL), launched 00:00Z, 7.3 hours before the alert went out and 253 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 00:00Z on 2026-06-10Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 2704 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, International Fa, MN at 00:00Z on 2026-06-10The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 18 square meters per square second.1939Sfc1 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
2704 J/kg
Mixed-layer CIN
-7 J/kg
Mixed-layer LCL
1366 m above ground
0-6 km bulk shear
15 kt
0-1 km storm-relative helicity
18 m²/s²
0-3 km storm-relative helicity
69 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

250 
WFUS53 KFGF 100717
TORFGF
MNC107-119-100800-
/O.NEW.KFGF.TO.W.0002.260610T0717Z-260610T0800Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Grand Forks ND
217 AM CDT Wed Jun 10 2026

The National Weather Service in Grand Forks has issued a

* Tornado Warning for...
  North central Norman County in northwestern Minnesota...
  South central Polk County in northwestern Minnesota...

* Until 300 AM CDT.

* At 217 AM CDT, severe thunderstorms capable of producing both
  tornadoes and extensive straight line wind damage were located over
  Beltrami, or 35 miles southeast of Grand Forks, moving northeast at
  55 mph.

  HAZARD...Tornado.

  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...
  Crookston, Beltrami, Gentilly, Lockhart, Harold, Greenview, and
  Melvin.

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.

This cluster of thunderstorms is capable of producing tornadoes and
widespread significant wind damage. Do not wait to see or hear the
tornado. For your protection move to an interior room on the lowest
floor of a building.

&&

LAT...LON 4739 9650 4749 9673 4787 9655 4786 9648
      4785 9648 4785 9635 4776 9635 4776 9610
TIME...MOT...LOC 0717Z 213DEG 48KT 4751 9655 

TORNADO...RADAR INDICATED
MAX HAIL SIZE...<.75 IN

$$

Rafferty
1 follow-up statement
469 
WWUS53 KFGF 100743
SVSFGF

Severe Weather Statement
National Weather Service Grand Forks ND
243 AM CDT Wed Jun 10 2026

MNC107-119-100752-
/O.CAN.KFGF.TO.W.0002.000000T0000Z-260610T0800Z/
Norman MN-Polk MN-
243 AM CDT Wed Jun 10 2026

...THE TORNADO WARNING FOR NORTH CENTRAL NORMAN AND SOUTH CENTRAL
POLK COUNTIES IS CANCELLED...

The tornado threat has diminished and the Tornado Warning has been 
cancelled. However, damaging winds remain likely and a Severe 
Thunderstorm Warning remains in effect for south central Polk 
county.

A Severe Thunderstorm Watch remains in effect until 400 AM CDT for
northwestern Minnesota.

&&

LAT...LON 4739 9650 4749 9673 4787 9655 4786 9648
      4785 9648 4785 9635 4776 9635 4776 9610
TIME...MOT...LOC 0739Z 213DEG 48KT 4779 9628 

$$

Rafferty

The office that day

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

IssuedProductOfficeCountiesLasted
Jun 10, 1:16 AM CDTSevere Thunderstorm WarningFGFClay, Wilkin59 min
Jun 10, 1:26 AM CDTSevere Thunderstorm WarningFGFGrant, Otter Tail64 min
Jun 10, 1:53 AM CDTSevere Thunderstorm WarningFGFBecker, Clay, Clearwater, Mahnomen, Norman67 min
Jun 10, 2:17 AM CDTSevere Thunderstorm Warning Destructive damage threatFGFGrant, Otter Tail58 min
Jun 10, 2:38 AM CDTSevere Thunderstorm WarningFGFClearwater, Pennington, Polk, Red Lake67 min
Jun 10, 2:59 AM CDTSevere Thunderstorm WarningFGFBecker, Clearwater, Hubbard, Mahnomen, Otter Tail, Wadena61 min
Jun 10, 3:41 AM CDTSpecial Weather StatementFGFBeltrami, Clearwater34 min
Jun 10, 3:54 AM CDTSpecial Weather StatementFGFHubbard36 min
Jun 10, 4:43 AM CDTSpecial Weather StatementFGFBeltrami32 min
Jun 10, 1:36 PM CDTSevere Thunderstorm WarningFGFRoseau54 min
Jun 10, 2:08 PM CDTSevere Thunderstorm WarningFGFMarshall, Roseau52 min
Jun 10, 2:34 PM CDTSevere Thunderstorm WarningFGFBeltrami, Clearwater, Pennington, Polk, Red Lake36 min
Jun 10, 4:11 PM CDTSevere Thunderstorm WarningFGFBeltrami, Clearwater, Hubbard51 min
Jun 10, 4:27 PM CDTSevere Thunderstorm WarningFGFBecker, Hubbard, Otter Tail, Wadena48 min
Jun 10, 4:30 PM CDTSevere Thunderstorm WarningFGFBeltrami15 min

Nearby

Tornado Warnings in Minnesota, 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.