BILLINGS — Temperatures will trend cooler, but stay warmer than seasonal averages. The chance of snow will go up for some of the area.
The mountains to the west of Billings will see some snow showers Tuesday with rain/snow in the foothills. Patchy fog is possible especially in northeastern Montana. Elsewhere, mainly dry conditions are expected with highs in the 30s to mid 40s.
As an upper trough moves across the area, the cooler air will settle in and keep high temperatures in the mid-30s to low 40s through Friday. Overnight temperatures mainly in the 20s.
For Christmas Day, a chance of snow exists in southeastern Montana and portions of northern Wyoming. Accumulation should be light, but could impact travel with some visibility concerns.
Snow will shift off toward the Dakotas Thursday. Highs will be in the 30s and 40s through the weekend with generally dry conditions Friday through Monday.
Tuesday… Partly to mostly sunny with a high of about 43. A variable breeze.
Christmas Eve… Mostly cloudy with a low around 28.
Christmas day… A slight chance of morning snow for a sprinkle in the afternoon. Otherwise mostly cloudy with a high near 42. Light and variable wind.