Heat in Wyoming

Events

75

Deaths

0

Injuries

0

Damage

None recorded

• Excessive Heat and Heat in Wyoming, June 11 to 17, 202119 eventsA strong ridge parked over the northern Rockies and brought very hot temperatures to much of western and central Wyoming.
• Heat in Wyoming, September 1 to 8, 20229 eventsA persistent and amplified ridge brought a prolonged period of unusually hot temperatures to western and central Wyoming for the beginning of September 2022. Most lower elevation sites saw high temperatures topping 90 F for several days, including a few locations reaching 100 F.
• Heat in Wyoming, December 1 to 31, 20259 eventsPersistent 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.
• Heat in Wyoming, March 17 to 30, 20269 eventsA very strong ridge of high pressure set up across much of the western United States and brought an long period of record breaking warmth. The most impressive stretch was from March 18 through March 21.
• Heat in Wyoming, July 17 to 19, 20217 eventsA combination of an abnormally strong ridge and dry soil produced very hot temperatures in many areas. The hottest temperature during the period was 107 degrees at Greybull on July 19th.
• Heat in Wyoming, July 25 to 29, 20217 eventsA very strong ridge over the northern Rockies brought record high temperatures to much of western and central Wyoming. The highest temperature was 106 degrees at Worland on July 27th.
• Heat in Wyoming, September 5, 20206 eventsA abnormally strong ridge and dry soil brought record heat to western and central Wyoming. Many areas saw record high temperatures, with a few stations reaching 100 degrees.
• Heat in Wyoming, September 29, 20244 eventsAn unusually strong ridge of high pressure brought record high temperatures to many locations across western and central Wyoming. In addition, 4 sites had their latest occurrence of a 90 degree high temperature in history.
• Heat in Wyoming, September 2 to 3, 20193 eventsA strong ridge of high pressure lingered over the Rockies and brought record setting heat to western and central Wyoming. The heat peaked on September 2nd, Labor Day.
• Heat in Wyoming, July 18, 20222 eventsAn anomalous ridge built over the Front Range area resulted in record heat approaching all-time values. High temperatures across southeast Wyoming reached the upper 90s and even the triple digits in spots along the North Platte River valley.
• Heat in Wyoming, September 7, 20221 eventA large upper level ridge over the Intermountain West resulted in a multiday heat wave from September 6th through the 8th. Multiple high temperature records were broken including the September monthly record at Cheyenne on the 7th.
• Heat in Wyoming, August 4, 20241 eventA third consecutive day of high temperatures reaching the triple digits across much of the North Platte River Valley in southeast Wyoming as afternoon highs climbed to 105 degrees Fahrenheit at Torrington.
• Heat in Wyoming, September 25, 20241 eventOn the afternoon of September 25, the Riverton airport recorded a high temperature of 90 degrees. This was a record high temperature and also the latest occurrence of a 90 degree high temperature in station history.

Heat everywhereEvery kind of event in Wyoming

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-09-24.