A widespread heatwave brought several days of excessively hot temperatures across the state.

Excessive Heat in TOOELE AND RUSH VALLEYS, UTAH
From 14-JUN-21 15:00:00 to 15-JUN-21 20:00:00 (PDT-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Excessively hot temperatures included a daytime of 104 degrees at Tooele, with a nighttime low of only 80 degrees, and a daily average temperature nearly 24 degrees above normal.

Excessive Heat in NORTHERN WASATCH FRONT, UTAH
From 14-JUN-21 15:00:00 to 15-JUN-21 20:00:00 (PDT-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Excessive heat conditions included a daily high temperature of 106 degrees at Ogden, and nighttime lows in the 70s. This pushed daily temperature average to 20 degrees above normal.

Excessive Heat in SALT LAKE VALLEY, UTAH
From 14-JUN-21 15:00:00 to 15-JUN-21 20:00:00 (PDT-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

On June 15, the temperature at Salt Lake City International Airport reached 107 degrees, tying the all time highest temperature ever recorded at the site. This combined with nighttime lows in the 70s, resulted in daily average temperatures of 20 degrees above normal.

Excessive Heat in UTAH VALLEY, UTAH
From 14-JUN-21 15:00:00 to 15-JUN-21 20:00:00 (PDT-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Temperatures up to 105 degrees were recorded at the Provo BYU COOP station.

Excessive Heat in WESTERN UINTA BASIN, UTAH
From 14-JUN-21 15:00:00 to 16-JUN-21 20:00:00 (PDT-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The temperature at the Myton COOP station reached 101 degrees for three days in a row.

Excessive Heat in SAN RAFAEL SWELL, UTAH
From 14-JUN-21 15:00:00 to 18-JUN-21 20:00:00 (PDT-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The temperature reached at least 107 degrees five days in a row at Hanksville, including a 109 degree reading on one day. In addition, low temperatures remained in the 70s for the second half of the event.

Excessive Heat in ZION NATIONAL PARK, UTAH
From 14-JUN-21 15:00:00 to 20-JUN-21 20:00:00 (PDT-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

High temperatures up to 114 degrees were recorded, including many days above 105 degrees. Nighttime low temperatures remained in the 70s.

Excessive Heat in SOUTH CENTRAL UTAH, UTAH
From 14-JUN-21 15:00:00 to 20-JUN-21 20:00:00 (PDT-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Temperatures reached 100 degrees or warmer at Kanab during the period, including a day up to 106 degrees.  Overnight lows were in the 70s some nights.

Excessive Heat in CAPITOL REEF NATIONAL PARK AND VICINITY, UTAH
From 14-JUN-21 15:00:00 to 16-JUN-21 20:00:00 (PDT-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Daily temperatures reached as high as 101 degrees at Capitol Reef National Park.  Nighttime lows were in the 70s.

Excessive Heat in WESTERN CANYONLANDS, UTAH
From 14-JUN-21 15:00:00 to 18-JUN-21 20:00:00 (PDT-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Daily high temperatures were in the upper 90s at Hans Flat Ranger Station, with nighttime lows in the 70s.

Excessive Heat in GLEN CANYON RECREATION AREA/LAKE POWELL, UTAH
From 14-JUN-21 15:00:00 to 20-JUN-21 20:00:00 (PDT-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

A prolonged period of high temperatures over 100 degrees, with low temperatures above 70, occurred at Big Water.  Daily high temperatures including 107, recorded twice.  Overnight lows temperatures were as warm as 84 degrees.

Excessive Heat in CASTLE COUNTRY, UTAH
From 15-JUN-21 15:00:00 to 17-JUN-21 20:00:00 (PDT-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

The temperature at Price reached 101 degrees two days in a row, followed by a night with the low temperature in the 70s.

Excessive Heat in GREAT SALT LAKE DESERT AND MOUNTAINS, UTAH
From 14-JUN-21 15:00:00 to 15-JUN-21 20:00:00 (PDT-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

A two-day stretch of abnormally hot temperatures occurred, with daily average temperatures running as high as 16 degrees above average.

Excessive Heat in LOWER WASHINGTON COUNTY, UTAH
From 14-JUN-21 15:00:00 to 20-JUN-21 20:00:00 (PDT-7)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

A prolonged heat event occurred with daytime high temperatures as high as 114 degrees  at St George, and little overnight relief, with low temperatures in the 70s to as warm as 80 degrees.