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Home Return to list Severe Thunderstorm Warning 0346 Issued by the Cheyenne Forecast Office
Action: New Issued At: 2026-09-18 20:57:04
489
WUUS55 KCYS 190156
SVRCYS
NEC007-157-165-WYC015-190245-
/O.NEW.KCYS.SV.W.0346.260919T0156Z-260919T0245Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Cheyenne WY
756 PM MDT Fri Sep 18 2026
The National Weather Service in Cheyenne has issued a
* Severe Thunderstorm Warning for...
Scotts Bluff County in the Panhandle of Nebraska...
Northwestern Banner County in the Panhandle of Nebraska...
Southwestern Sioux County in the Panhandle of Nebraska...
Southeastern Goshen County in southeastern Wyoming...
* Until 845 PM MDT.
* At 756 PM MDT, severe thunderstorms were located along a line
extending from 12 miles northeast of Torrington Municipal Airport
to near Morrill to 8 miles east of Hawk Springs Reservoir, moving
east at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Automated weather station.
IMPACT...Expect damage to roofs, siding, and trees.
* Locations impacted include...
Scottsbluff, Torrington, Gering, Mitchell, Terrytown, Morrill, La
Grange, Lyman, Henry, Wildcat Hills State Recreation Area, Lake
Minatare State Recreation Area, Lake Alice Number 2, Stegall,
Scotts Bluff County Fairground, Torrington Municipal Airport,
Scotts Bluff National Monument, Hubbard Hill, Scottsbluff Airport,
Lake Alice, and Wycross.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4164 10420 4197 10412 4229 10429 4233 10361
4195 10349 4160 10358
TIME...MOT...LOC 0156Z 268DEG 22KT 4222 10405 4193 10393 4171 10402
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...OBSERVED
MAX WIND GUST...60 MPH
$$
Natoli
Action: Cancelled Issued At: 2026-09-18 21:18:35
142
WWUS55 KCYS 190218
SVSCYS
Severe Weather Statement
National Weather Service Cheyenne WY
818 PM MDT Fri Sep 18 2026
WYC015-190226-
/O.CAN.KCYS.SV.W.0346.000000T0000Z-260919T0245Z/
Goshen WY-
818 PM MDT Fri Sep 18 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN GOSHEN COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
&&
LAT...LON 4163 10398 4194 10393 4230 10404 4233 10361
4195 10349 4160 10358
TIME...MOT...LOC 0216Z 268DEG 22KT 4222 10390 4193 10378 4171 10387
$$
NEC007-157-165-190245-
/O.CON.KCYS.SV.W.0346.000000T0000Z-260919T0245Z/
Scotts Bluff NE-Banner NE-Sioux NE-
818 PM MDT Fri Sep 18 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM MDT
FOR SCOTTS BLUFF...NORTHWESTERN BANNER AND SOUTHWESTERN SIOUX
COUNTIES...
At 816 PM MDT, severe thunderstorms were located along a line
extending from 14 miles southwest of Agate Fossil Beds National
Monument to Mitchell to 8 miles south of Hubbard Hill, moving east at
25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Scottsbluff, Gering, Mitchell, Terrytown, Morrill, Wildcat Hills
State Recreation Area, Lake Minatare State Recreation Area, Lake
Alice Number 2, Scotts Bluff County Fairground, Scotts Bluff National
Monument, Hubbard Hill, Scottsbluff Airport, and Lake Alice.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4163 10398 4194 10393 4230 10404 4233 10361
4195 10349 4160 10358
TIME...MOT...LOC 0216Z 268DEG 22KT 4222 10390 4193 10378 4171 10387
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Natoli
Action: Continued Issued At: 2026-09-18 21:18:35
142
WWUS55 KCYS 190218
SVSCYS
Severe Weather Statement
National Weather Service Cheyenne WY
818 PM MDT Fri Sep 18 2026
WYC015-190226-
/O.CAN.KCYS.SV.W.0346.000000T0000Z-260919T0245Z/
Goshen WY-
818 PM MDT Fri Sep 18 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN GOSHEN COUNTY IS
CANCELLED...
The storms which prompted the warning have moved out of the warned
area. Therefore, the warning has been cancelled.
&&
LAT...LON 4163 10398 4194 10393 4230 10404 4233 10361
4195 10349 4160 10358
TIME...MOT...LOC 0216Z 268DEG 22KT 4222 10390 4193 10378 4171 10387
$$
NEC007-157-165-190245-
/O.CON.KCYS.SV.W.0346.000000T0000Z-260919T0245Z/
Scotts Bluff NE-Banner NE-Sioux NE-
818 PM MDT Fri Sep 18 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM MDT
FOR SCOTTS BLUFF...NORTHWESTERN BANNER AND SOUTHWESTERN SIOUX
COUNTIES...
At 816 PM MDT, severe thunderstorms were located along a line
extending from 14 miles southwest of Agate Fossil Beds National
Monument to Mitchell to 8 miles south of Hubbard Hill, moving east at
25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
Locations impacted include...
Scottsbluff, Gering, Mitchell, Terrytown, Morrill, Wildcat Hills
State Recreation Area, Lake Minatare State Recreation Area, Lake
Alice Number 2, Scotts Bluff County Fairground, Scotts Bluff National
Monument, Hubbard Hill, Scottsbluff Airport, and Lake Alice.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4163 10398 4194 10393 4230 10404 4233 10361
4195 10349 4160 10358
TIME...MOT...LOC 0216Z 268DEG 22KT 4222 10390 4193 10378 4171 10387
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Natoli
Action: Continued Issued At: 2026-09-18 21:32:35
443
WWUS55 KCYS 190232
SVSCYS
Severe Weather Statement
National Weather Service Cheyenne WY
832 PM MDT Fri Sep 18 2026
NEC007-157-190241-
/O.CAN.KCYS.SV.W.0346.000000T0000Z-260919T0245Z/
Scotts Bluff NE-Banner NE-
832 PM MDT Fri Sep 18 2026
...THE SEVERE THUNDERSTORM WARNING FOR SCOTTS BLUFF AND NORTHWESTERN
BANNER COUNTIES IS CANCELLED...
The storms which prompted the warning have weakened. Therefore, the
warning has been cancelled.
&&
LAT...LON 4200 10366 4200 10383 4231 10393 4233 10361
4205 10351 4201 10351
TIME...MOT...LOC 0231Z 216DEG 21KT 4226 10382 4208 10371
$$
NEC165-190245-
/O.CON.KCYS.SV.W.0346.000000T0000Z-260919T0245Z/
Sioux NE-
832 PM MDT Fri Sep 18 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM MDT
FOR SOUTHWESTERN SIOUX COUNTY...
At 831 PM MDT, severe thunderstorms were located along a line
extending from 10 miles south of Agate Fossil Beds National Monument
to 7 miles northwest of Lake Alice, moving northeast at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
These severe thunderstorms will remain over mainly rural areas of
southwestern Sioux County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4200 10366 4200 10383 4231 10393 4233 10361
4205 10351 4201 10351
TIME...MOT...LOC 0231Z 216DEG 21KT 4226 10382 4208 10371
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Natoli
Action: Cancelled Issued At: 2026-09-18 21:32:35
443
WWUS55 KCYS 190232
SVSCYS
Severe Weather Statement
National Weather Service Cheyenne WY
832 PM MDT Fri Sep 18 2026
NEC007-157-190241-
/O.CAN.KCYS.SV.W.0346.000000T0000Z-260919T0245Z/
Scotts Bluff NE-Banner NE-
832 PM MDT Fri Sep 18 2026
...THE SEVERE THUNDERSTORM WARNING FOR SCOTTS BLUFF AND NORTHWESTERN
BANNER COUNTIES IS CANCELLED...
The storms which prompted the warning have weakened. Therefore, the
warning has been cancelled.
&&
LAT...LON 4200 10366 4200 10383 4231 10393 4233 10361
4205 10351 4201 10351
TIME...MOT...LOC 0231Z 216DEG 21KT 4226 10382 4208 10371
$$
NEC165-190245-
/O.CON.KCYS.SV.W.0346.000000T0000Z-260919T0245Z/
Sioux NE-
832 PM MDT Fri Sep 18 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 845 PM MDT
FOR SOUTHWESTERN SIOUX COUNTY...
At 831 PM MDT, severe thunderstorms were located along a line
extending from 10 miles south of Agate Fossil Beds National Monument
to 7 miles northwest of Lake Alice, moving northeast at 25 mph.
HAZARD...60 mph wind gusts.
SOURCE...Radar indicated.
IMPACT...Expect damage to roofs, siding, and trees.
These severe thunderstorms will remain over mainly rural areas of
southwestern Sioux County.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
&&
LAT...LON 4200 10366 4200 10383 4231 10393 4233 10361
4205 10351 4201 10351
TIME...MOT...LOC 0231Z 216DEG 21KT 4226 10382 4208 10371
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Natoli
Action: Expired Issued At: 2026-09-18 21:45:36
701
WWUS55 KCYS 190245
SVSCYS
Severe Weather Statement
National Weather Service Cheyenne WY
845 PM MDT Fri Sep 18 2026
NEC165-190255-
/O.EXP.KCYS.SV.W.0346.000000T0000Z-260919T0245Z/
Sioux NE-
845 PM MDT Fri Sep 18 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHWESTERN SIOUX COUNTY HAS
EXPIRED...
The storms which prompted the warning have weakened below severe
limits, and no longer pose an immediate threat to life or property.
Therefore, the warning has been allowed to expire. However, gusty
winds and heavy rain are still possible with these thunderstorms.
&&
LAT...LON 4200 10366 4200 10383 4231 10393 4233 10361
4205 10351 4201 10351
TIME...MOT...LOC 0245Z 268DEG 22KT 4226 10372 4208 10361
$$
Natoli
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