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Home Return to list Severe Thunderstorm Warning 0347 Issued by the Cheyenne Forecast Office
Action: New Issued At: 2026-09-18 21:22:35
182
WUUS55 KCYS 190222
SVRCYS
NEC045-165-190315-
/O.NEW.KCYS.SV.W.0347.260919T0222Z-260919T0315Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cheyenne WY
822 PM MDT Fri Sep 18 2026
The National Weather Service in Cheyenne has issued a
* Severe Thunderstorm Warning for...
Southwestern Dawes County in the Panhandle of Nebraska...
Central Sioux County in the Panhandle of Nebraska...
* Until 915 PM MDT.
* At 822 PM MDT, severe thunderstorms were located along a line
extending from near Harrison to 6 miles north of Agate Fossil Beds
National Monument to 20 miles southeast of Prairie Center, moving
east at 20 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Locations impacted include...
Crawford, Harrison, Soldier Creek Campground, Agate Fossil Beds
National Monument, and Fort Robinson State Park.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4244 10341 4244 10345 4236 10345 4228 10348
4230 10402 4253 10389 4272 10396 4286 10344
4257 10336
TIME...MOT...LOC 0222Z 255DEG 16KT 4268 10379 4250 10375 4233 10387
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Natoli
Action: Continued Issued At: 2026-09-18 21:47:36
784
WWUS55 KCYS 190247
SVSCYS
Severe Weather Statement
National Weather Service Cheyenne WY
847 PM MDT Fri Sep 18 2026
NEC045-165-190315-
/O.CON.KCYS.SV.W.0347.000000T0000Z-260919T0315Z/
Dawes NE-Sioux NE-
847 PM MDT Fri Sep 18 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 915 PM MDT
FOR SOUTHWESTERN DAWES AND NORTHEASTERN SIOUX COUNTIES...
At 846 PM MDT, severe thunderstorms were located along a line
extending from near Fort Robinson State Park to 11 miles northwest of
Flahertys Corner to 9 miles southeast of Agate Fossil Beds National
Monument, moving east at 30 mph.
HAZARD...60 mph wind gusts and half dollar size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage to
roofs, siding, and trees.
Locations impacted include...
Crawford, Soldier Creek Campground, Fort Robinson State Park, and
Agate Fossil Beds National Monument.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4244 10341 4244 10345 4236 10345 4232 10346
4232 10373 4247 10375 4275 10379 4286 10344
4257 10336
TIME...MOT...LOC 0246Z 281DEG 25KT 4265 10359 4247 10355 4230 10367
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.25 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Natoli
Action: Expired Issued At: 2026-09-18 22:14:06
537
WWUS55 KCYS 190313
SVSCYS
Severe Weather Statement
National Weather Service Cheyenne WY
913 PM MDT Fri Sep 18 2026
NEC045-165-190323-
/O.EXP.KCYS.SV.W.0347.000000T0000Z-260919T0315Z/
Dawes NE-Sioux NE-
913 PM MDT Fri Sep 18 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN DAWES AND
NORTHEASTERN SIOUX COUNTIES WILL EXPIRE AT 915 PM MDT...
The storms which prompted the warning have weakened below severe
limits, and have exited the warned area. Therefore, the warning will
be allowed to expire. However, small hail, gusty winds and heavy
rain are still possible with these thunderstorms.
&&
LAT...LON 4244 10341 4244 10345 4236 10345 4232 10346
4232 10373 4247 10375 4275 10379 4286 10344
4257 10336
TIME...MOT...LOC 0313Z 255DEG 16KT 4268 10344 4250 10340 4233 10352
$$
Natoli
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