Extreme Heat Watches in Utah
6 extreme heat watches 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 extreme heat watches reaches back to 2005.
Extreme Heat Watches by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Extreme Heat Watches
- 6
- Busiest year
- 20265 extreme heat watches
- Average year
- 3over 2 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.
- Iron County3
- Kane County3
- Washington County3
- Davis County3
- Salt Lake County3
- San Juan County3
- Utah County3
- Weber County3
- Box Elder County2
- Cache County2
- Duchesne County2
- Garfield County2
- Tooele County2
- Beaver County1
- Carbon County1
- Emery County1
- Grand County1
- Juab County1
- Millard County1
- Morgan County1
- Sanpete County1
- Sevier County1
- Summit County1
- Uintah County1
- Wasatch County1
- Wayne County1
The latest extreme heat watches
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 29, 12:15 PM MDT | Extreme Heat Watch | SLC | Davis, Duchesne, Salt Lake, Tooele, Utah, Weber | 27 hr |
| Jul 29, 2:25 AM MDT | Extreme Heat Watch | SLC | Garfield, Iron, Kane, San Juan, Washington | 9 hr |
| Jul 23, 11:47 AM MDT | Extreme Heat Watch | SLC | Box Elder, Cache, Davis, Salt Lake, Utah, Weber | 21 hr |
| Jul 8, 1:38 PM MDT | Extreme Heat Watch | GJT | Grand, San Juan, Uintah | 23 hr |
| Jul 8, 10:37 AM MDT | Extreme Heat Watch | SLC | Beaver, Box Elder, Cache, Carbon, Davis, Duchesne and 18 more | 24 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. Warning verification from the Mesonet's Cow. Rebuilt daily.