The National Weather Service has issued a Severe Thunderstorm Watch for parts of southeastern Wyoming, northeastern Colorado, and the Nebraska Panhandle, that includes the city of Cheyenne, in effect until 9:00 PM Thursday (August 1).

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.

Primary threats include...
     Scattered large hail and isolated very large hail events to 2
       inches in diameter possible
     Scattered damaging wind gusts to 70 mph possible

   SUMMARY...Thunderstorms are expected to increase in coverage through
   the afternoon across the watch area, with a few severe storms
   expected.  Large hail and damaging winds will be possible in the
   strongest cells through the early evening.

   The severe thunderstorm watch area is approximately along and 60
   statute miles east and west of a line from 50 miles south southeast
   of Limon CO to 35 miles north northeast of Torrington WY. For a
   complete depiction of the watch see the associated watch outline
   update (WOUS64 KWNS WOU9).