The National Weather Service has issued a Severe Thunderstorm Watch for eastern Wyoming and the Nebraska Panhandle, including the cities of Cheyenne and Laramie until 9:00 PM Friday (July 5, 2019).

REMEMBER...A Severe Thunderstorm Watch means conditions are favorable for severe thunderstorms in and close to the watch area. Persons in these areas should be on the lookout for threatening weather conditions and listen for later statements and possible warnings. Severe thunderstorms can and occasionally do produce tornadoes.

Graphic courtesy
NOAA / National Weather Service
   Severe Thunderstorm Watch Number 490
   NWS Storm Prediction Center Norman OK
   110 PM MDT Fri Jul 5 2019

   The NWS Storm Prediction Center has issued a

   * Severe Thunderstorm Watch for portions of 
     Extreme southeastern Montana
     The western Nebraska Panhandle
     Western South Dakota
     Eastern Wyoming

   * Effective this Friday afternoon and evening from 110 PM until
     900 PM MDT.

   * Primary threats include...
     Scattered large hail likely with isolated very large hail events
       to 2.5 inches in diameter possible
     Scattered damaging wind gusts to 70 mph possible
     A tornado or two possible

   SUMMARY...Scattered severe thunderstorms are expected to form this
   afternoon from southeastern Montana across eastern Wyoming, and then
   move east-southeastward into western South Dakota and the western
   Nebraska Panhandle through late evening.  Supercells are probable
   initially with isolated very large hail possible, while storms may
   cluster into this evening with an attendant threat for damaging
   winds.  An isolated, brief tornado cannot be ruled out with the
   initial discrete supercells.

   The severe thunderstorm watch area is approximately along and 65
   statute miles east and west of a line from 110 miles north northwest
   of Rapid City SD to 30 miles east southeast of Cheyenne WY. For a
   complete depiction of the watch see the associated watch outline
   update