A large trough of low pressure will remain settled over western portions of the nation through the end of the work week.  This will funnel plenty of moisture and atmospheric instability into the state of Wyoming during this time.  We will see cloudy to mostly cloudy skies, cool temperatures, and daily chances for rain showers and thunderstorms today through at least Friday.  Expect mainly isolated to scattered showers and thunderstorms today and then heavy rain and strong to severe thunderstorms will then be likely Tuesday until Friday.  Any storms that develop during this time could produce small hail, damaging winds, and possible flash flooding, especially across southeastern portions of the state.  Temperatures will be cooler and closer to average today and Tuesday, with daytime highs in the 50's and 60's.  Expect even cooler and near or slightly below average temperatures for the rest of the week.