197 
WUUS55 KRIW 202156
SVRRIW
WYC025-202230-
/O.NEW.KRIW.SV.W.0014.260620T2156Z-260620T2230Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service Riverton WY
356 PM MDT Sat Jun 20 2026

The National Weather Service in Riverton has issued a

* Severe Thunderstorm Warning for...
  Eastern Natrona County in central Wyoming...

* Until 430 PM MDT.

* At 355 PM MDT, severe thunderstorms were located along a line
  extending from 7 miles east of Hole In The Wall to near Edgerton to
  9 miles northeast of Rolling Hills, moving northeast at 45 mph.

  HAZARD...70 mph wind gusts.

  SOURCE...Radar indicated.

  IMPACT...Expect considerable tree damage. Damage is likely to 
           mobile homes, roofs, and outbuildings.

* These severe thunderstorms will remain over mainly rural areas of
  eastern Natrona County, including the following locations... Edness
  K Wilkins State Park, Casper Mountain, Casper-Natrona County
  International Airport, Casper Events Center, Fort Caspar
  Campground, Central Wyoming Fairgrounds, Bessemer Bend, Casper
  Mountain County Park, Rotary Park, and Casper Natural Gas
  Processing Plant.

This includes Interstate 25 between mile markers 176 and 219.
 
PRECAUTIONARY/PREPAREDNESS ACTIONS...

For your protection move to an interior room on the lowest floor of a
building.

&&

LAT...LON 4243 10638 4349 10711 4336 10655 4314 10607
      4243 10608
TIME...MOT...LOC 2155Z 222DEG 38KT 4358 10667 4343 10621 4300 10569 

THUNDERSTORM DAMAGE THREAT...CONSIDERABLE
HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...<.75 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...70 MPH

$$

Wittmann

031 
WWUS55 KRIW 202221
SVSRIW

Severe Weather Statement
National Weather Service Riverton WY
421 PM MDT Sat Jun 20 2026

WYC025-202231-
/O.EXP.KRIW.SV.W.0014.000000T0000Z-260620T2230Z/
Natrona-
421 PM MDT Sat Jun 20 2026

...THE SEVERE THUNDERSTORM WARNING FOR EASTERN NATRONA COUNTY WILL
EXPIRE AT 430 PM MDT...

The storms which prompted the warning have moved out of the area.
Therefore, the warning will be allowed to expire.  However, gusty
winds are still possible with these thunderstorms.

A Severe Thunderstorm Watch remains in effect until 900 PM MDT for
central Wyoming.

Remember, a Severe Thunderstorm Warning still remains in effect for
northeast Natrona County.

&&

LAT...LON 4243 10638 4349 10711 4336 10655 4314 10607
      4243 10608
TIME...MOT...LOC 2221Z 222DEG 38KT 4378 10643 4363 10597 4320 10545 

$$

Rowe