Excessive Heat Warnings in Idaho
40 excessive heat warnings 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 excessive heat warnings reaches back to 2005.
Excessive Heat Warnings by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Excessive Heat Warnings
- 40
- Busiest year
- 202114 excessive heat warnings
- Average year
- 7over 6 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.
- Ada County13
- Elmore County13
- Nez Perce County13
- Owyhee County13
- Washington County13
- Adams County12
- Canyon County12
- Gem County12
- Payette County12
- Benewah County10
- Kootenai County10
- Latah County10
- Lewis County10
- Clearwater County7
- Idaho County7
- Shoshone County6
- Gooding County5
- Jerome County5
- Twin Falls County5
- Blaine County5
- Cassia County5
- Minidoka County5
- Power County5
- Boise County4
- Camas County4
- Bonner County4
- Boundary County4
- Lincoln County4
- Valley County3
- Oneida County3
- Bannock County1
- Bingham County1
- Caribou County1
- Franklin County1
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.