Colder air starts to move in during the day on Thursday, but the chance of thunderstorms hangs around.
A deep trough of low pressure is already bringing cooler air into the region. Highs on Thursday will be mainly in the 60s with increasing afternoon clouds.
The chance of showers and thunderstorms increases Thursday afternoon, with potential for some strong to severe storms in southeast Montana and northern Wyoming. As we saw Wednesday, the storms could produce gusty winds and heavy rain.
A Winter Weather Advisory kicks in for the Beartooth and Absaroka mountains Thursday night through Friday morning. The Beartooth Highway could see several inches of snow.
Friday shaping up to be the coolest day overall, with morning temperatures mainly in the 40s and highs in the 50s to low 60s. Areas of rain are expected, gradually tapering off during the afternoon and evening.
Thursday… Increasing clouds with a high of about 68. A variable breeze with a slight chance of late day showers.
Thursday night… Rain increasing, especially after midnight. Low around 46.
Friday… Cooling cloudy to mostly cloudy. Best chance of rain is in the morning tapering off in the afternoon. High only about 62.