JACKSON, Wyo. — Numerous record highs were set across Western Wyoming and Eastern Idaho on Monday afternoon including the Jackson Hole Valley as an impressive late summer heat wave has gripped the entire Western U.S.
The Jackson Hole Airport recorded a high temperature of 92 on Monday, August 17, which broke the old record of 88 set in 2013. Records at this location date back to 1997.
The Moose weather station in Grand Teton National Park broke a high temperature record as well as the thermometer soared to 95 degrees, breaking the old record of 92 set in 2013. Records at this location date back to 1959.
Record high temperatures for the date were set all across Western Wyoming and Eastern Idaho, with many locations seeing highs in the upper 90s.
Here is a list of record highs that were set or tied across our region with old records listed in parenthesis:
- Swan Valley – 97 (old record of 94 set in 1986)
- Cody – 97 (old record of 96 set in 1919)
- Lander – 96 (old record of 96 set in 2013)
- Moose – 95 (old record of 92 set in 2013)
- Riverton – 95 (old record of 95 set in 2013)
- Tower Falls – 93 (old record of 91 set in 1988)
- Jackson Hole Airport – 92 (old record of 88 set in 2013)
- Driggs – 92 (old record of 89 set in 1948 and 1982)
- Afton – 91 (old record of 89 set on multiple dates)
- Moran – 88 (old record of 88 set in 1981)
- Dubois – 88 (old record of 88 set in 1962 and 2001)
- Yellowstone Lake – 85 (old record of 82 set in 2013)









