309 
WUUS55 KCYS 210054
SVRCYS
NEC013-045-123-157-165-WYC015-210145-
/O.NEW.KCYS.SV.W.0099.260621T0054Z-260621T0145Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cheyenne WY
654 PM MDT Sat Jun 20 2026

The National Weather Service in Cheyenne has issued a

* Severe Thunderstorm Warning for...
  Western Box Butte County in the Panhandle of Nebraska...
  Northern Scotts Bluff County in the Panhandle of Nebraska...
  Northwestern Morrill County in the Panhandle of Nebraska...
  Dawes County in the Panhandle of Nebraska...
  Sioux County in the Panhandle of Nebraska...
  East central Goshen County in southeastern Wyoming...

* Until 745 PM MDT.

* At 654 PM MDT, severe thunderstorms were located along a line
  extending from near Ardmore to 12 miles south of Fort Robinson
  State Park to 7 miles northeast of Mitchell, moving east at 20 mph.

  HAZARD...60 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect damage to roofs, siding, and trees.

* Locations impacted include...
  Torrington, Chadron, Crawford, Hemingford, Henry, Whitney, Roberts
  Trailhead Campground, Soldier Creek Campground, Box Butte
  Reservoir, Torrington Municipal Airport, Chadron State Park, Box
  Butte County Fairgrounds, Flahertys Corner, Agate Fossil Beds
  National Monument, Lake Alice Number 2, Whitney Lake, Box Butte
  Campground, Red Cloud Campground, Fort Robinson State Park, and
  Chadron Municipal Airport.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

A Tornado Watch remains in effect until 900 PM MDT for the Panhandle
of Nebraska.

&&

LAT...LON 4192 10330 4203 10440 4259 10371 4300 10369
      4300 10303 4252 10296
TIME...MOT...LOC 0054Z 262DEG 18KT 4298 10359 4250 10357 4204 10375 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Natoli

486 
WWUS55 KCYS 210132 RRA
SVSCYS

Severe Weather Statement
National Weather Service Cheyenne WY
732 PM MDT Sat Jun 20 2026

NEC013-045-123-157-165-WYC015-210142-
/O.CAN.KCYS.SV.W.0099.000000T0000Z-260621T0145Z/
Box Butte NE-Scotts Bluff NE-Morrill NE-Dawes NE-Sioux NE-Goshen WY-
732 PM MDT Sat Jun 20 2026

...THE SEVERE THUNDERSTORM WARNING FOR WESTERN BOX BUTTE...NORTHERN
SCOTTS BLUFF...NORTHWESTERN MORRILL...DAWES...SIOUX AND EAST CENTRAL
GOSHEN COUNTIES IS CANCELLED...

The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been cancelled.  However, gusty winds are
still possible with these thunderstorms.

A Tornado Watch remains in effect until 900 PM MDT for the Panhandle
of Nebraska.

A Severe Thunderstorm Watch remains in effect until 900 PM MDT for
the Panhandle of Nebraska...and southeastern Wyoming.

&&

LAT...LON 4192 10330 4203 10440 4259 10371 4300 10369
      4300 10303 4252 10296
TIME...MOT...LOC 0130Z 262DEG 18KT 4301 10334 4253 10333 4207 10351 

$$

Natoli