BILLINGS — Warmer than average temperatures to the middle of next week before a big change in the weather pattern.
Mild overnight with readings mainly into the 20s for southern Montana northern Wyoming. Expect clouds to increase through the day Friday, but high temperatures still make it to the 30s to low 40s.
Snow will start into the Beartooth and Absaroka mountains Friday, and then continue to move across the plains Friday afternoon through Saturday morning. Several inches are expected across the mountains, but light snow and rain and snow showers are expected for the lower elevations.
Showers will end from west to east across the region Saturday with breaks in the clouds by the afternoon. High temperatures and up in the mid 30s to mid 40s Saturday and mainly the 40s on Sunday.
The warmest days will be Monday and Tuesday with highs in the upper 40s to low 50s. Expect some windy periods in the mountain foothills Sunday, Monday and Tuesday.
The overall pattern shows an extended downturn in the temperatures beginning Wednesday. Expect accumulating snow by Wednesday with highs only in the 20s and 30s for the rest of the week.
Thursday night… Mostly cloudy with a low near 28. Variable breeze.
Friday… Cloudy with a high near 45. Snow showers develop during the afternoon and evening and could continue through Saturday morning with light accumulations.
Saturday… Temperatures in the 20s in the morning with a chance of the snow showers but clearing in the afternoon. High close to 44.