384 
WUUS55 KCYS 152245
SVRCYS
WYC009-027-031-152330-
/O.NEW.KCYS.SV.W.0247.260815T2245Z-260815T2330Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cheyenne WY
445 PM MDT Sat Aug 15 2026

The National Weather Service in Cheyenne has issued a

* Severe Thunderstorm Warning for...
  Southwestern Niobrara County in east central Wyoming...
  North central Platte County in southeastern Wyoming...
  East central Converse County in east central Wyoming...

* Until 530 PM MDT.

* At 445 PM MDT, a severe thunderstorm was located near Glendo, or 22
  miles southeast of Douglas, moving northeast at 25 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage 
           to roofs, siding, and trees.

* Locations impacted include...
  Glendo, Glendo State Park, Reno Cove Campground, Sandy Beach
  Campground, Bennett Hill Campground, and Shawnee.

This includes Interstate 25 in Wyoming between mile markers 108 and
120.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

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

&&

LAT...LON 4242 10509 4250 10520 4277 10499 4263 10462
TIME...MOT...LOC 2245Z 224DEG 24KT 4250 10511 

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Brauer

351 
WWUS55 KCYS 152320
SVSCYS

Severe Weather Statement
National Weather Service Cheyenne WY
520 PM MDT Sat Aug 15 2026

WYC009-027-031-152330-
/O.EXP.KCYS.SV.W.0247.000000T0000Z-260815T2330Z/
Niobrara WY-Platte WY-Converse WY-
520 PM MDT Sat Aug 15 2026

...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN NIOBRARA...NORTH
CENTRAL PLATTE AND EAST CENTRAL CONVERSE COUNTIES WILL EXPIRE AT 530
PM MDT...

The storm which prompted the warning has weakened below severe
limits, and no longer poses an immediate threat to life or property.
Therefore, the warning will be allowed to expire.  However, gusty
winds are still possible with this thunderstorm.

A Severe Thunderstorm Watch remains in effect until 900 PM MDT for
southeastern and east central Wyoming.

&&

LAT...LON 4242 10509 4250 10520 4277 10499 4263 10462
TIME...MOT...LOC 2320Z 224DEG 24KT 4266 10490 

$$

Brauer