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Home Return to list Severe Thunderstorm Warning 0036 Issued by the Riverton Forecast Office
Action: New Issued At: 2026-06-25 14:38:58
045
WUUS55 KRIW 251938
SVRRIW
WYC013-017-025-043-252030-
/O.NEW.KRIW.SV.W.0036.260625T1938Z-260625T2030Z/
BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Riverton WY
138 PM MDT Thu Jun 25 2026
The National Weather Service in Riverton has issued a
* Severe Thunderstorm Warning for...
Southeastern Hot Springs County in central Wyoming...
Western Natrona County in central Wyoming...
Southeastern Fremont County in central Wyoming...
Southern Washakie County in central Wyoming...
* Until 230 PM MDT.
* At 138 PM MDT, severe thunderstorms were located along a line
extending from 11 miles northwest of Lysite to near Moneta to 10
miles west of Castle Gardens to 12 miles north of Jeffrey City to 9
miles south of Sweetwater Station, moving southeast at 45 mph.
HAZARD...60 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect wind damage
to roofs, siding, and trees.
* Severe thunderstorms will be near...
Jeffrey City, Lysite, and Moneta around 145 PM MDT.
Castle Gardens around 150 PM MDT.
Crooks Gap around 155 PM MDT.
Other locations in the path of these severe thunderstorms include
Split Rock and Green Mountain.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4279 10730 4246 10737 4243 10739 4243 10752
4226 10752 4226 10760 4235 10814 4256 10819
4280 10803 4297 10794 4323 10794 4350 10800
4353 10723
TIME...MOT...LOC 1938Z 329DEG 39KT 4339 10785 4318 10776 4289 10781
4267 10791 4240 10813
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH
$$
Rowe
Action: Continued Issued At: 2026-06-25 14:46:28
367
WWUS55 KRIW 251946
SVSRIW
Severe Weather Statement
National Weather Service Riverton WY
146 PM MDT Thu Jun 25 2026
WYC013-017-025-043-252030-
/O.CON.KRIW.SV.W.0036.000000T0000Z-260625T2030Z/
Hot Springs-Natrona-Fremont-Washakie-
146 PM MDT Thu Jun 25 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM MDT
FOR SOUTHEASTERN HOT SPRINGS...WESTERN NATRONA...SOUTHEASTERN FREMONT
AND SOUTHERN WASHAKIE COUNTIES...
At 146 PM MDT, severe thunderstorms were located along a line
extending from 6 miles northwest of Lysite to near Moneta to 10 miles
southwest of Castle Gardens to 7 miles north of Jeffrey City to 11
miles west of Crooks Gap, moving southeast at 45 mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
These severe storms will be near...
Jeffrey City, Lysite, Moneta, and Castle Gardens around 150 PM
MDT.
Crooks Gap around 155 PM MDT.
Other locations in the path of these severe thunderstorms include
Split Rock, Green Mountain and Ervay.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4279 10730 4246 10737 4243 10739 4243 10752
4226 10752 4226 10760 4235 10814 4256 10819
4280 10803 4297 10794 4323 10786 4350 10793
4353 10723
TIME...MOT...LOC 1946Z 329DEG 39KT 4332 10780 4311 10771 4282 10776
4260 10786 4233 10808
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
Rowe
Action: Continued Issued At: 2026-06-25 15:02:59
844
WWUS55 KRIW 252002
SVSRIW
Severe Weather Statement
National Weather Service Riverton WY
202 PM MDT Thu Jun 25 2026
WYC017-252012-
/O.CAN.KRIW.SV.W.0036.000000T0000Z-260625T2030Z/
Hot Springs-
202 PM MDT Thu Jun 25 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HOT SPRINGS
COUNTY IS CANCELLED...
The storms which prompted the warning have moved out of the warned
Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 800 PM MDT for
central Wyoming.
&&
LAT...LON 4279 10730 4243 10739 4243 10752 4226 10752
4235 10814 4255 10813 4277 10795 4323 10777
4347 10774 4347 10760 4352 10759 4353 10723
TIME...MOT...LOC 2002Z 329DEG 39KT 4319 10769 4298 10760 4269 10765
4247 10775 4220 10797
$$
WYC013-025-043-252030-
/O.CON.KRIW.SV.W.0036.000000T0000Z-260625T2030Z/
Natrona-Fremont-Washakie-
202 PM MDT Thu Jun 25 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM MDT
FOR WESTERN NATRONA...SOUTHEASTERN FREMONT AND SOUTHERN WASHAKIE
COUNTIES...
At 202 PM MDT, severe thunderstorms were located along a line
extending from near Moneta to near Castle Gardens to 15 miles north
of Split Rock to near Jeffrey City to 13 miles southwest of Crooks
Gap, moving southeast at 45 mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
These severe storms will be near...
Castle Gardens around 205 PM MDT.
Other locations in the path of these severe thunderstorms include
Split Rock, Green Mountain and Ervay.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4279 10730 4243 10739 4243 10752 4226 10752
4235 10814 4255 10813 4277 10795 4323 10777
4347 10774 4347 10760 4352 10759 4353 10723
TIME...MOT...LOC 2002Z 329DEG 39KT 4319 10769 4298 10760 4269 10765
4247 10775 4220 10797
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
Rowe
Action: Cancelled Issued At: 2026-06-25 15:02:59
844
WWUS55 KRIW 252002
SVSRIW
Severe Weather Statement
National Weather Service Riverton WY
202 PM MDT Thu Jun 25 2026
WYC017-252012-
/O.CAN.KRIW.SV.W.0036.000000T0000Z-260625T2030Z/
Hot Springs-
202 PM MDT Thu Jun 25 2026
...THE SEVERE THUNDERSTORM WARNING FOR SOUTHEASTERN HOT SPRINGS
COUNTY IS CANCELLED...
The storms which prompted the warning have moved out of the warned
Therefore, the warning has been cancelled.
A Severe Thunderstorm Watch remains in effect until 800 PM MDT for
central Wyoming.
&&
LAT...LON 4279 10730 4243 10739 4243 10752 4226 10752
4235 10814 4255 10813 4277 10795 4323 10777
4347 10774 4347 10760 4352 10759 4353 10723
TIME...MOT...LOC 2002Z 329DEG 39KT 4319 10769 4298 10760 4269 10765
4247 10775 4220 10797
$$
WYC013-025-043-252030-
/O.CON.KRIW.SV.W.0036.000000T0000Z-260625T2030Z/
Natrona-Fremont-Washakie-
202 PM MDT Thu Jun 25 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM MDT
FOR WESTERN NATRONA...SOUTHEASTERN FREMONT AND SOUTHERN WASHAKIE
COUNTIES...
At 202 PM MDT, severe thunderstorms were located along a line
extending from near Moneta to near Castle Gardens to 15 miles north
of Split Rock to near Jeffrey City to 13 miles southwest of Crooks
Gap, moving southeast at 45 mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
These severe storms will be near...
Castle Gardens around 205 PM MDT.
Other locations in the path of these severe thunderstorms include
Split Rock, Green Mountain and Ervay.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4279 10730 4243 10739 4243 10752 4226 10752
4235 10814 4255 10813 4277 10795 4323 10777
4347 10774 4347 10760 4352 10759 4353 10723
TIME...MOT...LOC 2002Z 329DEG 39KT 4319 10769 4298 10760 4269 10765
4247 10775 4220 10797
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
Rowe
Action: Continued Issued At: 2026-06-25 15:06:59
937
WWUS55 KRIW 252006
SVSRIW
Severe Weather Statement
National Weather Service Riverton WY
206 PM MDT Thu Jun 25 2026
WYC013-025-043-252030-
/O.CON.KRIW.SV.W.0036.000000T0000Z-260625T2030Z/
Natrona-Fremont-Washakie-
206 PM MDT Thu Jun 25 2026
...A SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 230 PM MDT
FOR WESTERN NATRONA...SOUTHEASTERN FREMONT AND SOUTHERN WASHAKIE
COUNTIES...
At 206 PM MDT, severe thunderstorms were located along a line
extending from near Moneta to near Castle Gardens to 13 miles north
of Split Rock to 6 miles southeast of Jeffrey City to 14 miles south
of Crooks Gap, moving southeast at 45 mph.
HAZARD...70 mph wind gusts and quarter size hail.
SOURCE...Radar indicated.
IMPACT...Hail damage to vehicles is expected. Expect considerable
tree damage. Wind damage is also likely to mobile homes,
roofs, and outbuildings.
These severe storms will be near...
Split Rock and Castle Gardens around 210 PM MDT.
Green Mountain around 215 PM MDT.
Other locations in the path of these severe thunderstorms include
Ervay.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
For your protection move to an interior room on the lowest floor of a
building.
Torrential rainfall is occurring with these storms, and may lead to
flash flooding. Do not drive your vehicle through flooded roadways.
&&
LAT...LON 4279 10730 4243 10739 4243 10752 4226 10752
4235 10814 4255 10813 4277 10795 4323 10777
4347 10774 4347 10760 4352 10759 4353 10723
TIME...MOT...LOC 2006Z 329DEG 39KT 4316 10767 4295 10758 4266 10763
4244 10773 4217 10795
TORNADO...POSSIBLE
THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH
$$
Rowe
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