Storm produces record October snowfall

South Big Horn County, and in particular Greybull, Basin and Shell, appeared to get the worst of last week’s storm that brought an abrupt end to the fall.
Adam Dziewaltowski, a meteorologist at the National Weather Service’s Riverton office, said weather observers in both Shell and Basin recorded 10 inches of snowfall between Wednesday, Oct. 25 and Friday, Oct. 27.
Dziewaltowski said the NWS hasn’t had an official weather observer in Greybull since 2019, but imaging suggests that 6 to  8 inches fell, with some isolated areas receiving as much as 10.
“According to our records, which go back to 1951 and up until 2019, that would likely have been a record for the most October snowfall ever in Greybull,” he said.  On average, Greybull receives about seven-tenths-of-an-inch of snow in October.