Red Flag Warnings in Idaho
823 red flag 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 red flag warnings reaches back to 2005.
Red Flag Warnings by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Red Flag Warnings
- 823
- Busiest year
- 201284 red flag warnings
- Average year
- 39over 21 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.
- Idaho County357
- Butte County339
- Power County301
- Valley County298
- Bonneville County290
- Boise County254
- Clark County250
- Fremont County250
- Madison County250
- Teton County250
- Twin Falls County249
- Lemhi County240
- Custer County235
- Bingham County224
- Jefferson County224
- Jerome County193
- Lincoln County193
- Bannock County180
- Bear Lake County180
- Caribou County180
- Franklin County180
- Oneida County180
- Blaine County170
- Gem County139
- Owyhee County138
- Cassia County133
- Minidoka County122
- Adams County110
- Washington County110
- Elmore County97
- Payette County84
- Gooding County71
- Clearwater County68
- Benewah County62
- Bonner County62
- Boundary County62
- Kootenai County62
- Shoshone County62
- Camas County59
- Latah County53
4 more counties
The latest red flag warnings
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 17, 4:31 AM MDT | Red Flag Warning | BOI | Boise, Camas, Elmore, Gem, Valley | 16 hr |
| Sep 11, 8:32 PM MDT | Red Flag Warning | PIH | Cassia, Twin Falls | 24 hr |
| Sep 11, 12:47 PM MDT | Red Flag Warning | BOI | Owyhee, Twin Falls | 32 hr |
| Sep 10, 7:37 PM MDT | Red Flag Warning | PIH | Bingham, Bonneville, Butte, Clark, Fremont, Jefferson and 3 more | 25 hr |
| Sep 9, 11:39 AM MDT | Red Flag Warning | PIH | Bingham, Bonneville, Butte, Clark, Fremont, Jefferson and 3 more | 32 hr |
| Aug 31, 1:37 PM MDT | Red Flag Warning | PIH | Blaine, Boise, Custer | 47 hr |
| Aug 26, 11:02 AM MDT | Red Flag Warning | BOI | Owyhee | 34 hr |
| Aug 25, 1:07 PM MDT | Red Flag Warning | MSO | Clearwater, Idaho, Latah, Lewis, Nez Perce | 31 hr |
| Aug 24, 4:40 AM MDT | Red Flag Warning | BOI | Owyhee, Twin Falls | 16 hr |
| Aug 21, 5:20 PM MDT | Red Flag Warning | BOI | Adams, Boise, Camas, Elmore, Gem, Gooding and 7 more | 31 hr |
| Aug 21, 12:41 PM MDT | Red Flag Warning | PIH | Bingham, Blaine, Boise, Bonneville, Butte, Cassia and 14 more | 32 hr |
| Aug 21, 11:55 AM MDT | Red Flag Warning | OTX | Benewah, Bonner, Boundary, Kootenai, Shoshone | 44 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.