796  
WUUS55 KCYS 202229  
SVRCYS  
WYC009-031-202315-  
/O.NEW.KCYS.SV.W.0088.260620T2229Z-260620T2315Z/  
 
BULLETIN - IMMEDIATE BROADCAST REQUESTED  
SEVERE THUNDERSTORM WARNING  
NATIONAL WEATHER SERVICE CHEYENNE WY  
429 PM MDT SAT JUN 20 2026  
 
THE NATIONAL WEATHER SERVICE IN CHEYENNE HAS ISSUED A  
 
* SEVERE THUNDERSTORM WARNING FOR...  
NORTHWESTERN PLATTE COUNTY IN SOUTHEASTERN WYOMING...  
CONVERSE COUNTY IN EAST CENTRAL WYOMING...  
 
* UNTIL 515 PM MDT.  
 
* AT 429 PM MDT, SEVERE THUNDERSTORMS WERE LOCATED ALONG A LINE  
EXTENDING FROM 19 MILES WEST OF BILL TO 8 MILES NORTH OF FORT  
FETTERMAN HISTORIC SITE TO 8 MILES NORTH OF ESTERBROOK CAMPGROUND,  
MOVING EAST AT 30 MPH.  
 
HAZARD...60 MPH WIND GUSTS.  
 
SOURCE...RADAR INDICATED.  
 
IMPACT...EXPECT DAMAGE TO ROOFS, SIDING, AND TREES.  
 
* LOCATIONS IMPACTED INCLUDE...  
DOUGLAS, GLENDO, ORIN, GLENDO STATE PARK, DULL CENTER, RENO COVE  
CAMPGROUND, SANDY BEACH CAMPGROUND, CONVERSE COUNTY AIRPORT, BILL,  
BENNETT HILL CAMPGROUND, MANNING RANCH, FORT FETTERMAN HISTORIC  
SITE, LOST SPRINGS, AND SHAWNEE.  
 
THIS INCLUDES INTERSTATE 25 IN WYOMING BETWEEN MILE MARKERS 111 AND  
150.  
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...  
 
FOR YOUR PROTECTION MOVE TO AN INTERIOR ROOM ON THE LOWEST FLOOR OF A  
BUILDING.  
 
WIND DAMAGE WITH THESE STORMS WILL OCCUR BEFORE ANY RAIN OR  
LIGHTNING. DO NOT WAIT FOR THE SOUND OF THUNDER BEFORE TAKING COVER.  
SEEK SHELTER IMMEDIATELY INSIDE A STURDY STRUCTURE AND STAY AWAY FROM  
WINDOWS.  
 

 
 
LAT...LON 4350 10495 4334 10489 4278 10490 4248 10487  
4248 10558 4298 10560 4349 10596  
TIME...MOT...LOC 2229Z 259DEG 28KT 4330 10562 4296 10545 4254 10539  
 
HAIL THREAT...RADAR INDICATED  
MAX HAIL SIZE...<.75 IN  
WIND THREAT...RADAR INDICATED  
MAX WIND GUST...60 MPH  
 

 
 
NATOLI  
 
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