440 

WWUS85 KCYS 290644

SPSCYS



Special Weather Statement

National Weather Service Cheyenne WY

1244 AM MDT Mon Jun 29 2026

 

NEZ002-095-290730-

Dawes NE-North Sioux NE-

1244 AM MDT Mon Jun 29 2026



...STRONG THUNDERSTORMS WILL IMPACT NORTHWESTERN DAWES AND

NORTHEASTERN SIOUX COUNTIES THROUGH 130 AM MDT...



At 1242 AM MDT, Doppler radar was tracking a cluster of strong

thunderstorms near Fort Robinson State Park, or 30 miles west of

Chadron, moving northeast at 45 mph.



HAZARD...Wind gusts up to 50 mph, nickel size hail, and brief heavy 

         downpours over the South Fork Burn Scar.



SOURCE...Radar indicated.



IMPACT...Minor hail damage to vegetation. Burn scar flooding is 

         possible near Fort Robinson. 



Locations impacted include...

Crawford, Whitney Lake, Soldier Creek Campground, Montrose, Fort

Robinson State Park, and Toadstool Geological Park and Campground.



PRECAUTIONARY/PREPAREDNESS ACTIONS...



Torrential rainfall is also occurring with this storm and may lead 

to localized flooding, especially in the south fork burn scar west 

of Fort Robinson State Park. Do not drive your vehicle through 

flooded roadways.



This storm may intensify again, so be certain to monitor local radio 

stations and available television stations for additional 

information and possible warnings from the National Weather Service.



&&



LAT...LON 4257 10359 4278 10388 4300 10373 4300 10294

TIME...MOT...LOC 0642Z 224DEG 46KT 4272 10358 



MAX HAIL SIZE...0.88 IN

MAX WIND GUST...50 MPH



$$



Trudel