Heat in Utah

9 heat events since 2005

Every heat event the National Weather Service has filed in Utah, year by year, with the most significant episodes. Heat below excessive heat criteria that still caused deaths, injuries or significant impacts.

The most significant on the map

The most significant heat episodes in Utah.

Tornadoes
Tropical storms and surge
Floods
Wind
Hail
Winter weather
Heat and drought
Cold
Fire, smoke and dust
Marine and coastal
Other

Open the live radar

The record

Events: 9
Deaths: 8
Injuries: 0
Damage: None recorded

Every year

The most significant

Ranked by deaths, injuries, damage and size together.

Heat in Utah, July 1 to 4, 20133 deaths · 1 eventA widespread and long-lasting heatwave developed across the western United States at the end of June and continued into the first week of July. Near the end of this heatwave, a few heat-related deaths occurred in southern Utah.
Flash Flooding and Flood in Utah, July 18 to 22, 20211 death · $427,000 · 1.5 in hail · 34 eventsAn active monsoon surge brought several back-to-back days of thunderstorms producing heavy rain, damaging wind gusts, and hail across the state.
Flash Flooding and Heat in Utah, July 21 to 24, 20131 death · $20,000 · 8 eventsThe daily potential for flash flooding was relentless through the middle of July, with multiple flash floods during this period resulting in property damage.
Heat in Utah, July 12, 20051 death · 1 eventExcessive heat likely led to the death of a hiker in Glen Canyon. Temperatures reached 110 deg during the afternoon.
Heat in Utah, August 15, 20131 death · 1 eventA woman died due to heat exhaustion while hiking in Capitol Reef National Park.
Heat in Utah, August 13, 20191 death · 1 eventA 6-month-old boy died of pediatric vehicular heatstroke.
Heat in Utah, July 7 to 10, 20213 eventsA large ridge of high pressure dominated the western United States for several days. This resulted in scorching heat and dry weather across the lower elevations of eastern Utah. Conditions were exceptionally dry which translated to single digit humidity at the surface.

Heat everywhere Every kind of event in Utah

Sources

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.