Cheyenne National Weather Service

Interstate 80 meanwhile was closed between Rawlins and Cheyenne.

A Freeze Watch is in effect for most lower elevation areas for Monday night as that cold air settles into the area.

The Cheyenne Office of the National Weather Service says severe thunderstorms featuring up to quarter-size hail and 60 mile-per-hour winds are possible.

The Cheyenne Office of the National Weather Service says severe thunderstorms are possible in southeast Wyoming today [Sept. 12] and tomorrow.

Until that front comes in though, we're stuck with hazy conditions and warm temperatures through one more day Wednesday.

Portions of Albany, Carbon. and Laramie counties could see heavy rainfall and flash flooding.

A Red Flag Warning is in effect from 11 AM TO 8 PM Thursday.

While an occasional afternoon shower or thundershower is possible over the upcoming July 4th holiday weekend, the overall forecast looks pretty good for most outdoor activities.

The agency says the weather is "looking increasingly warm as the high-pressure system that has been baking the west coast slowly moves east into the Rockies.''

Brief heavy downpours in some areas will be possible along with lightning, and wind gusts of 30 to 40 mph.