Alert archive / Idaho / Excessive Heat Warnings
Excessive Heat Warnings in Idaho, 2021
14 excessive heat warnings in 2021. 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 excessive heat warnings reaches back to 2005.
Excessive Heat Warnings by county
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Excessive Heat Warnings
- 14
- Busiest month
- July6 excessive heat warnings
- Busiest day
- June 24, 20213 excessive heat warnings
Over time
By month
The alerts
Every alert, in the order issued. Times are local, Mountain Time. Each opens its own page with the text, the map, the radar and the sounding.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jun 1, 2:10 PM MDT | Excessive Heat Warning | BOI | Ada, Canyon, Elmore, Gem, Owyhee, Payette and 1 more | 55 hr |
| Jun 24, 2:09 PM MDT | Excessive Heat Warning | BOI | Ada, Adams, Boise, Camas, Canyon, Elmore and 8 more | 13 days |
| Jun 24, 2:10 PM MDT | Excessive Heat Warning | OTX | Benewah, Bonner, Boundary, Kootenai, Latah, Lewis and 2 more | 8 days |
| Jun 24, 2:14 PM MDT | Excessive Heat Warning | MSO | Clearwater, Idaho | 7 days |
| Jun 26, 2:15 PM MDT | Excessive Heat Warning | PIH | Blaine, Cassia, Lincoln, Minidoka, Oneida, Power | 62 hr |
| Jul 2, 2:29 PM MDT | Excessive Heat Warning | PIH | Blaine, Cassia, Lincoln, Minidoka, Power | 37 hr |
| Jul 5, 2:02 PM MDT | Excessive Heat Warning | PIH | Blaine, Cassia, Lincoln, Minidoka, Power | 58 hr |
| Jul 8, 2:37 PM MDT | Excessive Heat Warning | BOI | Ada, Adams, Boise, Camas, Canyon, Elmore and 7 more | 4 days |
| Jul 9, 12:40 PM MDT | Excessive Heat Warning | PIH | Blaine, Cassia, Lincoln, Minidoka, Oneida, Power | 56 hr |
| Jul 24, 2:02 AM MDT | Excessive Heat Warning | BOI | Ada, Adams, Boise, Camas, Canyon, Elmore and 8 more | 70 hr |
| Jul 29, 2:36 PM MDT | Excessive Heat Warning | OTX | Benewah, Bonner, Boundary, Kootenai, Latah, Lewis and 2 more | 54 hr |
| Aug 10, 1:50 PM MDT | Excessive Heat Warning | OTX | Benewah, Kootenai, Latah, Lewis, Nez Perce | 5 days |
| Aug 11, 2:35 PM MDT | Excessive Heat Warning | BOI | Ada, Adams, Canyon, Elmore, Gem, Owyhee and 2 more | 4 days |
| Aug 12, 2:04 PM MDT | Excessive Heat Warning | BOI | Ada, Elmore, Gooding, Jerome, Owyhee, Twin Falls | 23 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Ada County6
- Elmore County6
- Owyhee County6
- Canyon County5
- Gem County5
- Payette County5
- Washington County5
- Adams County4
- Gooding County4
- Jerome County4
- Twin Falls County4
- Blaine County4
- Cassia County4
- Lincoln County4
- Minidoka County4
- Power County4
- Boise County3
- Camas County3
- Benewah County3
- Kootenai County3
- Latah County3
- Lewis County3
- Nez Perce County3
- Valley County2
- Bonner County2
- Boundary County2
- Shoshone County2
- Oneida County2
- Clearwater County1
- Idaho County1
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.