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Home Return to list Severe Thunderstorm Warning 0344 Issued by the Cheyenne Forecast Office
Action: New Issued At: 2026-09-18 19:37:02
647
WUUS55 KCYS 190036
SVRCYS
WYC015-031-190115-
/O.NEW.KCYS.SV.W.0344.260919T0036Z-260919T0115Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cheyenne WY
636 PM MDT Fri Sep 18 2026
The National Weather Service in Cheyenne has issued a
* Severe Thunderstorm Warning for...
Southwestern Goshen County in southeastern Wyoming...
Southeastern Platte County in southeastern Wyoming...
* Until 715 PM MDT.
* At 636 PM MDT, severe thunderstorms were located along a line
extending from Bordeaux to near Slater, moving east at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated. At 632 PM, a wind gust of 59 mph was
reported at Bordeaux.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Chugwater, Slater, Bordeaux, and Antelope Gap.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4208 10468 4200 10456 4175 10448 4175 10494
4198 10503
TIME...MOT...LOC 0036Z 257DEG 24KT 4197 10494 4182 10483
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH
$$
Natoli
Action: Continued Issued At: 2026-09-18 20:00:33
287
WWUS55 KCYS 190100
SVSCYS
Severe Weather Statement
National Weather Service Cheyenne WY
700 PM MDT Fri Sep 18 2026
WYC015-031-190115-
/O.CON.KCYS.SV.W.0344.000000T0000Z-260919T0115Z/
Goshen WY-Platte WY-
700 PM MDT Fri Sep 18 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 715 PM MDT
FOR SOUTHWESTERN GOSHEN AND SOUTHEASTERN PLATTE COUNTIES...
At 659 PM MDT, severe thunderstorms were located along a line
extending from 7 miles south of Grayrocks Reservoir to 7 miles east
of Slater, moving east at 30 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Slater and Antelope Gap.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4208 10468 4200 10456 4175 10448 4175 10474
4203 10486
TIME...MOT...LOC 0059Z 263DEG 27KT 4204 10469 4184 10465
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Natoli
Action: Expired Issued At: 2026-09-18 20:06:33
387
WWUS55 KCYS 190106
SVSCYS
Severe Weather Statement
National Weather Service Cheyenne WY
706 PM MDT Fri Sep 18 2026
WYC015-031-190116-
/O.EXP.KCYS.SV.W.0344.000000T0000Z-260919T0115Z/
Goshen WY-Platte WY-
706 PM MDT Fri Sep 18 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN GOSHEN AND
SOUTHEASTERN PLATTE COUNTIES WILL EXPIRE AT 715 PM MDT...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning will be allowed to expire. However, gusty
winds and heavy rain are still possible with these thunderstorms.
&&
LAT...LON 4208 10468 4200 10456 4175 10448 4175 10474
4203 10486
TIME...MOT...LOC 0106Z 270DEG 24KT 4205 10464 4185 10460
$$
Natoli
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