Heat in Lander Foothills, Wyoming

Heat December 1, 2025 – December 31, 2025 · Lander Foothills, Wyoming

What the National Weather Service wrote

The Lander airport had a record warm December with an average temperature of 36.5 degrees. The old record was 34.3 degrees set in 1980. The period of record for the airport in Lander dates back to 1946.

The wider storm

Persistent ridging across the northern Rockies brought record warmth to western and central Wyoming for December. Many airports with a 20 to 30 or more year period of record had the warmest December on record. Most sites were at least 10 degrees above normal for the month, with Riverton running more than 15 degrees above normal. Numerous high temperature records were set throughout the month.

Source: NOAA Storm Events Database, event 1307793. Narratives are written by the National Weather Service forecast office that issued the report.

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