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Very cold behind the snow

Posted at 7:49 PM, Dec 01, 2022
and last updated 2022-12-01 21:49:44-05

A WINTER STORM WARNING is in effect for the Rocky Mountain Front, eastern Pondera County, central and eastern Teton County, the Highwood Mountains, and the Little Belt Mountains until 12am/5am Friday. Up to 5 inches of new snow accumulation is possible.

A WINTER WEATHER ADVISORY is in effect for most of central, north-central, and northeastern Montana through Friday morning. Up to 4 inches of new snow accumulation is possible.

A WIND CHILL ADVISORY is in effect for most of north-central Montana from 8pm Thursday until 12pm Friday. Wind chills as low as 25 to 35 below zero are possible.

Snow is going to continue to move eastward across the state this evening and tonight, with it gradually ending from west to east as we go through the night. Behind the main batch of snow, we are going to have decreasing clouds with a few scattered snow showers around. We are then going to have partly cloudy to mostly sunny skies tomorrow with a few isolated snow showers around.

Up to 5 inches of new snow accumulation is possible between this evening and midday tomorrow, with most of that snow accumulation occurring in locations east of I-15. Difficult driving conditions are also expected tonight and tomorrow morning as roads are going to be slick/snow-covered and there are going to be areas of reduced visibility, so please be careful when driving and give yourself plenty of extra time to get to where you need to go.

It is also going to be frigid tonight as lows are going to be in the single digits and teens below zero in north-central Montana, and the single digits above/below zero and the low to mid teens in central Montana. We are also going to have dangerous wind chills tonight in north-central Montana as wind chills may get as low as 25 to 35 below zero.

For tomorrow, it is going to be very cold as highs are going to range from the single digits to the mid 20s, with the coldest temperatures in north-central Montana. We are also going to have dangerous wind chills tomorrow in north-central Montana as wind chills are going to be below zero for most of the day, and the wind chills may be as low as 25 to 35 below zero tomorrow morning. The wind is also going to increase tomorrow along the Rocky Mountain Front and in some of the mountain ranges in central Montana, with gusty winds expected during the afternoon and evening. This wind is also going to cause there to be areas of blowing and drifting snow around.

For this weekend, we are going to have partly cloudy to mostly sunny skies and mostly dry conditions (just some isolated snow showers around Sunday evening). It is also going to be warmer this weekend than it is going to be tomorrow as highs are going to be in the 20s and low to mid 30s. We are also going to have gusty winds around on Saturday along the Rocky Mountain Front and in some of the mountain ranges in central Montana as gusts over 40 mph are going to be possible at times, and this wind is going to cause there to be areas of blowing and drifting snow around. There is then going to be a little bit of a breeze around on Sunday as sustained wind speeds are going to be between 5 and 20 mph.

There are then going to be scattered areas of snow around on Monday and Tuesday, especially from Monday afternoon through Tuesday afternoon. We are also going to have mostly cloudy skies on these two days. It is also going to be cold on these two days as highs are going to be in the teens and low to mid 20s.

We are then going to have partly cloudy skies and mostly dry conditions on Wednesday, and mostly sunny skies and dry conditions on Thursday as high pressure is going to be in control of our weather. It is also going to be warmer and breezy on these two days as highs are going to be in the 20s and low to mid 30s, and sustained wind speeds are going to be between 10 and 25 mph.