Prolonged Cold Period is Biggest Impact Expected From Coming Weather System

Rapid cooldown brings concerns for ice jams

National Weather Service Predicts Active Week and Pattern Change Ahead

The National Weather Service (NWS) predicts multiple weather events through next week in a major pattern shift. Please see graphics for more details.

KEY POINTS

• Coldest air of the season enters the region Wednesday and will remain persistent

• Gusty winds over the plains Tuesday with stronger winds expected in the western gap areas, especially Livingston.

• Persistent light snow chances Tuesday through Saturday

Wind chills of 20 degrees below anticipated - Prepare animals and property

• Arctic air enters the region

  • Wednesday, a cold front will pass through the region bringing a major pattern shift across the region for the foreseeable future.

  • Prolonged period of cold expected. Thursday through the weekend there is a >90% chance of meeting advisory level wind chills (-20F) across the region.

  • Rapid cooldown will bring concerns for ice jams as rivers and streams ice up.

• Strong winds across the region Tuesday

  • Winds across the region will pick up in the morning with winds gusting into the 20s and 30s mph over the plains. Winds will be stronger in western gap areas with Livingston seeing a 50% chance of getting advisory level winds (58mph).

• Prolonged light snow chances

  • Tuesday through Saturday will see continued light snow chances across the region.

  • Significant accumulations not expected, details remain uncertain.