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Warmer than average temperatures will continue as we head into the weekend, but thunderstorm potential will increase on Friday and Saturday. Drier conditions will then return on Sunday and continue into early next week.

Friday:

Mostly sunny skies early will give way to partly cloudy skies in the afternoon as some moisture works its way into NW Wyoming from the west. Highs will reach the low 80s in Jackson Hole, which is nearly 15 degrees above average!

Thunderstorm chances will increase on Friday afternoon and into the evening, with the highest threat existing north of Jackson and up into Yellowstone. Storms that develop will move from west to east and will generally produce light rain, but hail and gusty winds will be possible.

Saturday:

Scattered clouds can be expected at times, interspersed with sunny periods as highs warm up into the low 80s again. An early day thunderstorm can’t entirely be ruled out on Saturday morning, but chances will increase during the afternoon hours with a more organized wave possible late in the day. Storms will move from southwest to northeast and will be capable of frequent cloud-to-ground lightning, hail, and gusty winds.

Sunday:

A weak cold front will arrive early Sunday morning, which will scour out the previous day’s moisture, resulting in dry and sunny conditions along with cooler (but still very comfortable) temperatures.

Monday-Tuesday:

Warm and dry conditions will prevail on Monday with highs pushing 80 in the valley. Tuesday is looking warm and generally quiet as well, though some moisture will attempt to sneak into the area, resulting in a slight chance for a late day thunderstorm.

Alan Smith, Meteorologist