Heat Advisories in Utah
58 heat advisories since 1986. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of heat advisories reaches back to 2005.
Heat Advisories by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Heat Advisories
- 58
- Busiest year
- 202612 heat advisories
- Average year
- 5over 12 years on file
Over time
By year
Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.
By month of the year
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Utah County19
- San Juan County18
- Box Elder County18
- Sevier County18
- Weber County18
- Salt Lake County17
- Tooele County17
- Davis County16
- Grand County15
- Juab County14
- Millard County14
- Emery County13
- Cache County12
- Garfield County12
- Washington County12
- Duchesne County11
- Iron County11
- Sanpete County11
- Beaver County10
- Kane County10
- Wayne County10
- Carbon County7
- Uintah County6
- Morgan County2
- Piute County2
- Summit County2
- Wasatch County2
The latest heat advisories
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Aug 19, 1:51 PM MDT | Heat Advisory | SLC | Box Elder, Davis, Juab, Millard, Salt Lake, Tooele and 2 more | 65 hr |
| Aug 7, 12:13 PM MDT | Heat Advisory | GJT | Grand, San Juan | 31 hr |
| Aug 6, 10:18 AM MDT | Heat Advisory | GJT | Grand, San Juan | 58 hr |
| Aug 6, 10:11 AM MDT | Heat Advisory | GJT | Grand, San Juan | 34 hr |
| Aug 5, 9:46 AM MDT | Heat Advisory | SLC | Beaver, Box Elder, Cache, Duchesne, Garfield, Iron and 8 more | 4 days |
| Aug 2, 8:42 PM MDT | Heat Advisory | SLC | Carbon, Duchesne, Emery, Sevier | 24 hr |
| Jul 30, 11:53 AM MDT | Heat Advisory | GJT | Grand, San Juan, Uintah | 5 days |
| Jul 29, 12:15 PM MDT | Heat Advisory | SLC | Beaver, Box Elder, Carbon, Duchesne, Emery, Iron and 7 more | 4 days |
| Jul 26, 1:18 AM MDT | Heat Advisory | GJT | Grand, San Juan, Uintah | 53 hr |
| Jul 24, 9:09 AM MDT | Heat Advisory | SLC | Box Elder, Cache, Carbon, Davis, Duchesne, Emery and 13 more | 4 days |
| Jul 19, 11:37 AM MDT | Heat Advisory | SLC | Box Elder, Davis, Salt Lake, Tooele, Utah, Weber | 36 hr |
| Jun 18, 10:54 AM MDT | Heat Advisory | SLC | Davis, Salt Lake, Weber | 43 hr |
Nearby
Sources
National Weather Service watches, warnings, advisories and statements from the Iowa Environmental Mesonet's VTEC archive, which reconstructs tornado, severe thunderstorm, flash flood and marine warnings back to 1986 from the NWS text archive. Storm Prediction Center watches and mesoscale discussions from SPC's archive through the Mesonet. County centers from the US Census Bureau. Rebuilt daily.