A band of mainly light snow will move across the area with an arctic cold front Friday night. There may be a few embedded snow squalls in there, be careful of low visibility and snow covered roads. By Saturday morning, most snow accumulation will be minor in the dusting to 2" range but a few spots that get caught under squalls may push 3". The bigger weather story with this front is the frigid air that comes with it. Wind chills Saturday morning will be around 0 to -10°. Strong northwest winds will make temperatures and wind chills fall during the day. Through the afternoon temperatures will drop to around -5° or colder with wind chills near -20° to -30°. There may be a few snow flurries around, especially in the mountains and immediately near Lake Champlain, but most of the daylight hours of Saturday will be dry. Saturday night we're snow free but dangerously cold; wind chills drop to -20 to -40 with mountains going close to -50 to -60. Late Saturday through early Sunday is when the worst of the cold sets in. Through the day Sunday skies are partly to mostly sunny with a lighter wind. Wind chills remain well below 0 all day. A wind chill warning is in effect through Sunday night; frostbite and hypothermia can set in quick. If you're keeping score at home, you know the record low for Valentine's Day is -19°. Our forecast low is -15°, so despite the extreme wind chill, we likely won't break a record Sunday morning. I know you're all upset :-)
On to next week, we've got a significant warm up coming. Monday will be partly to mostly sunny with highs in the mid 20s; still below average but much warmer than the weekend. Monday night into Tuesday our next storm approaches. It'll likely start as light snow Monday night but transition into a rain/snow mix during the day Tuesday as highs warm well above freezing. Colder air will ride in on the backside of the storm as it moves east on Wednesday; this will likely mean things wrap up as snow. How much we get is still to be determined but it is a rather powerful low that will likely bring measurable snow and rain to the area along with quite a bit of wind. Be prepared for a mess.
Stay warm and have a great weekend!
-Meteorologist Sean Parker
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