A slight surface smog ahead is expected today and tomorrow, so the air quality should generally be fair.
The southwest airstream will bring some showers to the east of Yellowstone County on Wednesday, and there may be one or two strong thunderstorms. Wind gusts of up to 60 mph and quarter-sized hail will be the main problems.
On Thursday, a large upper trough will begin to move, bringing opportunities for greater showers and isolated severe storms to the east of Yellowstone County and a route from oil to Bihorn in Wyoming. Wind gusts of up to 60 mph and quarter-sized hail will be the main problems.
From Friday, some rapid disturbances will continue, so isolated showers will continue until Sunday morning. Sunday afternoon will be sunny and dry.
Today's high will be in the mid-1960s to mid-1970s, tomorrow will be in the mid-1970s to mid-80s, Wednesday will be in the mid-1970s to mid-80s, and then Friday to Sunday will be in the mid-1970s to the mid-1970s Mid-term. The night temperature throughout the weekend will also be between more than 40 degrees Celsius and more than 50 degrees Celsius.