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Tracking a Couple of Storm Systems Across the Country

Showers, along with a few strong to severe thunderstorms, are expected from the Great Lakes, New England and southward into the Ohio and Tennessee Valleys. In the wake of this system, a stronger storm is expected to track from the Pacific Northwest, Plains and through the Eastern U.S. this weekend. Strong winds, showers and a larger drop in temperatures are expected this weekend into Monday. Read More >

Overview

February 8-9, 2018 - A slow-moving winter storm brought heavy snow to parts of northeast Wyoming and western South Dakota. Snow began early February 8 dropping several inches of snow across northwest South Dakota. Warmer air moved in above the ground. Some of the precipitation turned to sleet and freezing rain over the Black Hills and adjacent plains during the afternoon and early evening February 8.

A secondary wave of energy moved through at night which pushed bitterly cold arctic air into the region. It also changed changed precipitation to all snow. The heaviest snow fell the night of February 8 into the morning of February 9. The heaviest snow fell from Gillette, WY to Hot Springs, SD to Porcupine, SD.

Clearing skies over the fresh snow cover created bitterly cold low temperatures by the morning of February 10.

Newcastle, WY Courtesy Aaron N. Hot Springs, SD Courtesy Jessica M. Southern Harding County, SD Courtesy Meria S.
Newcastle, WY Courtesy Aaron N. Hot Springs, SD Courtesy Jessica M. Southern Harding County, SD Courtesy Meria S.

 

February 10, 2018 Low Temperatures

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