Alert archive / Idaho / Red Flag Warnings
Red Flag Warnings in Idaho, 2026
54 red flag warnings in 2026. 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 in 2026. Tap one for its archive.
- Red Flag Warnings
- 54
- Busiest month
- July22 red flag warnings
- Busiest day
- July 31, 20264 red flag 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 2, 12:52 PM MDT | Red Flag Warning | BOI | Elmore, Gooding, Jerome, Lincoln, Owyhee, Twin Falls | 32 hr |
| Jun 6, 12:29 PM MDT | Red Flag Warning | PIH | Blaine, Butte, Cassia, Jerome, Lincoln, Minidoka and 2 more | 33 hr |
| Jun 6, 12:31 PM MDT | Red Flag Warning | BOI | Elmore, Gooding, Jerome, Lincoln, Owyhee, Twin Falls | 31 hr |
| Jun 15, 12:26 PM MDT | Red Flag Warning | BOI | Elmore, Gooding, Jerome, Lincoln, Owyhee, Twin Falls | 33 hr |
| Jun 15, 1:36 PM MDT | Red Flag Warning | PIH | Bannock, Bear Lake, Bingham, Blaine, Bonneville, Butte and 14 more | 31 hr |
| Jun 16, 1:11 PM MDT | Red Flag Warning | BOI | Elmore, Gooding, Jerome, Lincoln, Owyhee, Twin Falls | 32 hr |
| Jun 16, 8:41 PM MDT | Red Flag Warning | PIH | Bannock, Bear Lake, Bingham, Blaine, Bonneville, Butte and 14 more | 24 hr |
| Jun 18, 12:57 PM MDT | Red Flag Warning | BOI | Owyhee, Twin Falls | 56 hr |
| Jun 19, 12:38 PM MDT | Red Flag Warning | PIH | Bannock, Bear Lake, Bingham, Blaine, Boise, Bonneville and 16 more | 32 hr |
| Jun 21, 12:53 PM MDT | Red Flag Warning | PIH | Blaine, Butte, Jerome, Lincoln, Minidoka, Power | 32 hr |
| Jun 24, 12:17 PM MDT | Red Flag Warning | PIH | Bannock, Bear Lake, Bonneville, Caribou, Franklin, Oneida and 1 more | 31 hr |
| Jun 25, 12:33 PM MDT | Red Flag Warning | PIH | Blaine, Boise, Custer | 34 hr |
| Jun 25, 12:53 PM MDT | Red Flag Warning | BOI | Ada, Adams, Boise, Canyon, Elmore, Gem and 7 more | 33 hr |
| Jul 6, 8:01 AM MDT | Red Flag Warning | BOI | Owyhee | 13 hr |
| Jul 6, 12:36 PM MDT | Red Flag Warning | PIH | Bannock, Bear Lake, Bonneville, Caribou, Cassia, Franklin and 3 more | 32 hr |
| Jul 7, 9:09 AM MDT | Red Flag Warning | BOI | Owyhee, Twin Falls | 12 hr |
| Jul 7, 12:46 PM MDT | Red Flag Warning | PIH | Cassia, Twin Falls | 31 hr |
| Jul 7, 2:29 PM MDT | Red Flag Warning | BOI | Elmore, Gooding, Jerome, Lincoln, Owyhee, Twin Falls | 30 hr |
| Jul 10, 11:46 AM MDT | Red Flag Warning | PIH | Butte, Custer, Idaho, Lemhi, Valley | 33 hr |
| Jul 11, 11:24 AM MDT | Red Flag Warning | PIH | Bingham, Bonneville, Butte, Clark, Custer, Fremont and 5 more | 33 hr |
| Jul 15, 12:46 PM MDT | Red Flag Warning | OTX | Benewah, Bonner, Boundary, Kootenai, Shoshone | 47 hr |
| Jul 15, 1:14 PM MDT | Red Flag Warning | BOI | Ada, Canyon, Elmore, Gem, Gooding, Jerome and 4 more | 32 hr |
| Jul 16, 11:08 AM MDT | Red Flag Warning | PIH | Bannock, Bear Lake, Blaine, Boise, Bonneville, Butte and 14 more | 34 hr |
| Jul 22, 2:51 PM MDT | Red Flag Warning | BOI | Ada, Adams, Boise, Canyon, Elmore, Gem and 3 more | 30 hr |
| Jul 23, 2:12 PM MDT | Red Flag Warning | BOI | Adams, Idaho, Owyhee, Twin Falls, Valley, Washington | 55 hr |
| Jul 24, 9:27 AM MDT | Red Flag Warning | OTX | Benewah, Bonner, Boundary, Kootenai, Shoshone | 38 hr |
| Jul 24, 9:43 AM MDT | Red Flag Warning | PIH | Cassia, Twin Falls | 11 hr |
| Jul 24, 1:12 PM MDT | Red Flag Warning | PIH | Bannock, Bear Lake, Bingham, Bonneville, Butte, Caribou and 10 more | 32 hr |
| Jul 26, 10:58 AM MDT | Red Flag Warning | PIH | Butte, Custer, Idaho, Lemhi, Valley | 33 hr |
| Jul 29, 7:30 AM MDT | Red Flag Warning | BOI | Owyhee, Twin Falls | 14 hr |
| Jul 29, 7:58 AM MDT | Red Flag Warning | PIH | Bannock, Bear Lake, Bingham, Bonneville, Butte, Caribou and 11 more | 13 hr |
| Jul 31, 9:16 AM MDT | Red Flag Warning | OTX | Benewah, Bonner, Boundary, Kootenai, Shoshone | 39 hr |
| Jul 31, 12:29 PM MDT | Red Flag Warning | PIH | Bingham, Blaine, Boise, Bonneville, Butte, Clark and 12 more | 57 hr |
| Jul 31, 12:39 PM MDT | Red Flag Warning | BOI | Adams, Boise, Gem, Idaho, Owyhee, Payette and 2 more | 32 hr |
| Jul 31, 1:11 PM MDT | Red Flag Warning | MSO | Clearwater, Idaho, Latah, Lewis, Nez Perce | 56 hr |
| Aug 6, 9:41 PM MDT | Red Flag Warning | MSO | Clearwater, Idaho, Latah, Lewis, Nez Perce | 47 hr |
| Aug 7, 12:33 PM MDT | Red Flag Warning | PIH | Butte, Custer, Idaho, Lemhi, Valley | 32 hr |
| Aug 8, 9:05 PM MDT | Red Flag Warning | PIH | Butte, Custer, Idaho, Lemhi, Valley | 24 hr |
| Aug 9, 9:37 PM MDT | Red Flag Warning | PIH | Bingham, Blaine, Bonneville, Butte, Clark, Custer and 11 more | 23 hr |
| Aug 11, 12:02 PM MDT | Red Flag Warning | OTX | Benewah, Bonner, Boundary, Kootenai, Shoshone | 45 hr |
| Aug 12, 1:20 PM MDT | Red Flag Warning | BOI | Ada, Adams, Boise, Camas, Canyon, Elmore and 10 more | 3 days |
| Aug 12, 1:30 PM MDT | Red Flag Warning | PIH | Bannock, Bear Lake, Bingham, Blaine, Boise, Bonneville and 19 more | 32 hr |
| Aug 21, 11:55 AM MDT | Red Flag Warning | OTX | Benewah, Bonner, Boundary, Kootenai, Shoshone | 44 hr |
| Aug 21, 12:41 PM MDT | Red Flag Warning | PIH | Bingham, Blaine, Boise, Bonneville, Butte, Cassia and 14 more | 32 hr |
| Aug 21, 5:20 PM MDT | Red Flag Warning | BOI | Adams, Boise, Camas, Elmore, Gem, Gooding and 7 more | 31 hr |
| Aug 24, 4:40 AM MDT | Red Flag Warning | BOI | Owyhee, Twin Falls | 16 hr |
| Aug 25, 1:07 PM MDT | Red Flag Warning | MSO | Clearwater, Idaho, Latah, Lewis, Nez Perce | 31 hr |
| Aug 26, 11:02 AM MDT | Red Flag Warning | BOI | Owyhee | 34 hr |
| Aug 31, 1:37 PM MDT | Red Flag Warning | PIH | Blaine, Boise, Custer | 47 hr |
| Sep 9, 11:39 AM MDT | Red Flag Warning | PIH | Bingham, Bonneville, Butte, Clark, Fremont, Jefferson and 3 more | 32 hr |
| Sep 10, 7:37 PM MDT | Red Flag Warning | PIH | Bingham, Bonneville, Butte, Clark, Fremont, Jefferson and 3 more | 25 hr |
| Sep 11, 12:47 PM MDT | Red Flag Warning | BOI | Owyhee, Twin Falls | 32 hr |
| Sep 11, 8:32 PM MDT | Red Flag Warning | PIH | Cassia, Twin Falls | 24 hr |
| Sep 17, 4:31 AM MDT | Red Flag Warning | BOI | Boise, Camas, Elmore, Gem, Valley | 16 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Twin Falls County28
- Owyhee County19
- Butte County19
- Jerome County17
- Lincoln County17
- Power County17
- Idaho County17
- Bonneville County15
- Valley County15
- Cassia County13
- Clark County13
- Fremont County13
- Madison County13
- Teton County13
- Boise County13
- Custer County13
- Blaine County12
- Bingham County12
- Jefferson County12
- Lemhi County12
- Elmore County11
- Gooding County9
- Bannock County9
- Bear Lake County9
- Caribou County9
- Franklin County9
- Oneida County9
- Minidoka County8
- Gem County7
- Adams County6
- Washington County6
- Payette County5
- Benewah County5
- Bonner County5
- Boundary County5
- Kootenai County5
- Shoshone County5
- Ada County4
- Canyon County4
- Clearwater County3
4 more counties
The busiest days
Days with the most alerts issued, by UTC date.
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.