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Heavy Rainfall in the East Wednesday; Hot Temperatures Continue in Coastal Southern California

Heavy to excessive rainfall may lead to flooding Wednesday over southwest Pennsylvania into northern West Virginia, and western Maryland. Flood Watches have been issued. An extended period of hot weather will continue for parts of coastal southern California including Los Angeles through Thursday. Heat Advisories remain in effect. Read More >

  Overview

December 21, 2017  A strong cold front pushed south across Wyoming Wednesday afternoon and evening.  Strong north winds accompanied the front with the Buffalo Airport recording a peak wind gust of 54 mph Wednesday evening. The heaviest snow fell across the WInd River Basin and in the Casper area Wednesday night, with over 8 inches of snow measured in Lander, and nearly 7 inches of snow reported at the Natrona International Airport in Casper.  

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Map of Storm Total Snowfall for December 20-21, 2017 (click to enlarge)
Snow and blowing snow at the Riverton National Weather
Service Office around 9 pm Wednesday
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