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Home Return to list Severe Thunderstorm Warning 0229 Issued by the Cheyenne Forecast Office
Action: New Issued At: 2026-08-10 17:37:29 153 WUUS55 KCYS 102237 SVRCYS WYC009-027-031-102315- /O.NEW.KCYS.SV.W.0229.260810T2237Z-260810T2315Z/ BULLETIN - IMMEDIATE BROADCAST REQUESTED Severe Thunderstorm Warning National Weather Service Cheyenne WY 437 PM MDT Mon Aug 10 2026 The National Weather Service in Cheyenne has issued a * Severe Thunderstorm Warning for... Western Niobrara County in east central Wyoming... Northwestern Platte County in southeastern Wyoming... East central Converse County in east central Wyoming... * Until 515 PM MDT. * At 436 PM MDT, a severe thunderstorm was located over Douglas, moving east at 35 mph. HAZARD...60 mph wind gusts. SOURCE...Radar indicated. IMPACT...Expect damage to roofs, siding, and trees. * Locations impacted include... Douglas, Glendo, Orin, Converse County Airport, Glendo State Park, Reno Cove Campground, Sandy Beach Campground, Bennett Hill Campground, Two Moon Campground, Lost Springs, and Shawnee. This includes Interstate 25 in Wyoming between mile markers 111 and 141. PRECAUTIONARY/PREPAREDNESS ACTIONS... For your protection move to an interior room on the lowest floor of a building. If on or near Glendo Reservoir, get away from the water and move indoors or inside a vehicle. Remember, lightning can strike out to 15 miles from the parent thunderstorm. If you can hear thunder, you are close enough to be struck by lightning. Move to safe shelter now! Do not be caught on the water in a thunderstorm. && LAT...LON 4262 10548 4280 10543 4286 10486 4245 10491 TIME...MOT...LOC 2236Z 277DEG 29KT 4274 10535 HAIL THREAT...RADAR INDICATED MAX HAIL SIZE...<.75 IN WIND THREAT...RADAR INDICATED MAX WIND GUST...60 MPH $$ Brauer Action: Expired Issued At: 2026-08-10 18:07:30 030 WWUS55 KCYS 102307 SVSCYS Severe Weather Statement National Weather Service Cheyenne WY 507 PM MDT Mon Aug 10 2026 WYC009-027-031-102316- /O.EXP.KCYS.SV.W.0229.000000T0000Z-260810T2315Z/ Niobrara WY-Platte WY-Converse WY- 507 PM MDT Mon Aug 10 2026 ...THE SEVERE THUNDERSTORM WARNING FOR WESTERN NIOBRARA... NORTHWESTERN PLATTE AND EAST CENTRAL CONVERSE COUNTIES WILL EXPIRE AT 515 PM MDT... The storm which prompted the warning has weakened below severe limits, and no longer poses an immediate threat to life or property. Therefore, the warning will be allowed to expire. However, gusty winds are still possible with this thunderstorm. && LAT...LON 4262 10548 4280 10543 4286 10486 4245 10491 TIME...MOT...LOC 2306Z 277DEG 29KT 4271 10504 $$ Brauer | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||