Over 3,993,016 readers this year!

‘Abnormally warm’: Wyoming may begin December with more record heat; temps could reach 70 degrees

“Santa” waves from his early-70s classic Corvette as he passes by Park Elementary School on Tuesday, Dec. 8, 2020, in central Casper. (Dan Cepeda, Oil City)

CASPER, Wyo. — While Christmas is less than a month away, areas of the Cowboy State could break heat records to begin the month of December.

“Abnormally warm temperatures” are expected to continue after multiple locations set record highs on Monday, according to the National Weather Service (NWS) in Riverton.

While temperatures this time of year tend to reach highs in the 30s, multiple locations exceeded 60 degrees on Monday. Casper set a new record high for November 29 of 61 degrees, breaking the previous record of 58 degrees set in 1945. Riverton reached 63 degrees on Monday, breaking the previous record for November 29 of 55 degrees set in 1996. Lander reached 59 degrees on Monday, breaking the previous record for the date of 58 degrees set in 1899. Rock Springs reached 55 degrees, breaking the record of 52 degrees set in 1980.

The Casper area could reach a high near 60 degrees on Wednesday and a high near 65 degrees on Thursday, according to the NWS in Riverton. Cheyenne could be even warmer, with a high near 64 forecast on Wednesday and a high near 70 degrees forecast on Thursday, according to the NWS in Cheyenne.

Lander, which has broken heat records set over 100 years ago in recent days, could see highs near 55 degrees on Wednesday and 63 degrees on Thursday, according to the NWS in Riverton.

Even the mountains could see some warmer temperatures this week, with Casper Mountain expected to see a high between 49-55 degrees on Wednesday and a high between 52-58 degrees on Thursday.

Temperatures are expected to drop somewhat on Friday in the Casper area, with a high near 52 degrees expected. Saturday could see a high near 55 degrees, dropping to a high near 44 degrees on Sunday.

There is a slight chance of showers in Casper on Monday with a high near 52 degrees in the forecast, according to the NWS in Riverton.

Related