Alert archive / Minnesota / Tornado Warnings in 2026

Tornado Warning 24, NWS Twin Cities, MN

September 11, 2026Stevens County, Minnesota

NWS Twin Cities, MN issued this tornado warning at Sep 11, 2026, 8:04 PM CDT for Stevens County, Minnesota. It was in force for 18 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
Sep 11, 2026, 8:04 PM CDT (01:04 UTC)
Expired
Sep 11, 2026, 8:22 PM CDT
In force
18 min
Issued by
NWS Twin Cities, MN
Area
Storm-based polygon
Tornado
Observed
Hail
1.75 in

County Stevens County, MN

The radar

The Minneapolis radar (KMPX), 193 km from the middle of the area, began a volume at 01:08 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
Sep 11, 6:39 PM CDTSevere Thunderstorm WatchSPC3 hr

The nearest sounding before it

Minneapolis, MN (KMPX), launched 00:00Z, 1.1 hours before the alert went out and 191 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, Minneapolis, MN at 00:00Z on 2026-09-12Temperature and dew point through the depth of the atmosphere, with the mixed-layer parcel. CAPE 235 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, Minneapolis, MN at 00:00Z on 2026-09-12The wind through the lowest 10 kilometers. Zero to 1 km storm-relative helicity 143 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
235 J/kg
Mixed-layer CIN
-300 J/kg
Mixed-layer LCL
1734 m above ground
0-6 km bulk shear
28 kt
0-1 km storm-relative helicity
143 m²/s²
0-3 km storm-relative helicity
392 m²/s²
Significant tornado parameter
0.0
Supercell composite
0.0

Open this sounding in Storm Lab

The text

As transmitted.

812 
WFUS53 KMPX 120104
TORMPX
MNC149-120145-
/O.NEW.KMPX.TO.W.0024.260912T0104Z-260912T0145Z/

BULLETIN - EAS ACTIVATION REQUESTED
Tornado Warning
National Weather Service Twin Cities/Chanhassen MN
804 PM CDT Fri Sep 11 2026

The National Weather Service in the Twin Cities has issued a

* Tornado Warning for...
  Southeastern Stevens County in west central Minnesota...

* Until 845 PM CDT.

* At 804 PM CDT, a confirmed tornado was located 7 miles southeast of
  Lake Hattie, or 9 miles south of Morris, moving east at 25 mph.

  HAZARD...Damaging tornado and golf ball size hail.

  SOURCE...Weather spotters confirmed tornado.

  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 tornado will be near...
  Hancock around 820 PM CDT.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Move to an interior room on the lowest floor of a well-built building
away from 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.

Tornadoes are difficult to observe at night. Take cover now!

&&

LAT...LON 4541 9595 4553 9600 4550 9575 4541 9575
TIME...MOT...LOC 0104Z 292DEG 20KT 4547 9597

TORNADO...OBSERVED
MAX HAIL SIZE...1.75 IN

$$

ETA
1 follow-up statement
913 
WWUS53 KMPX 120122
SVSMPX

Severe Weather Statement
National Weather Service Twin Cities/Chanhassen MN
822 PM CDT Fri Sep 11 2026

MNC149-120132-
/O.CAN.KMPX.TO.W.0024.000000T0000Z-260912T0145Z/
Stevens MN-
822 PM CDT Fri Sep 11 2026

...TORNADO WARNING IS CANCELLED FOR SOUTHEASTERN STEVENS COUNTY...

The storm which prompted the warning has weakened below severe
limits, and has exited the warned area. Therefore, the warning has
been cancelled. To report severe weather, contact your nearest law
enforcement agency. They will send your report to the National
Weather Service office.

A Severe Thunderstorm Watch remains in effect until 1000 PM CDT for a
portion of west central Minnesota.

&&

LAT...LON 4541 9595 4553 9600 4550 9575 4541 9575
TIME...MOT...LOC 0104Z 292DEG 20KT 4547 9597

$$

ETA

The office that day

Everything else NWS Twin Cities, MN issued on the same UTC day.

IssuedProductOfficeCountiesLasted
Sep 11, 7:41 PM CDTSevere Thunderstorm WarningMPXStevens38 min
Sep 11, 7:46 PM CDTTornado Warning Tornado observedMPXStevens23 min
Sep 11, 8:32 PM CDTSevere Thunderstorm WarningMPXStevens, Swift16 min
Sep 11, 9:09 PM CDTSevere Thunderstorm WarningMPXKandiyohi, Pope, Swift18 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.