Flash Flood Watches in Idaho
192 flash flood 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 flash flood watches reaches back to 2005.
Flash Flood Watches by county
Each county as a circle sized by its count since 1986. Tap one for its archive.
- Flash Flood Watches
- 192
- Busiest year
- 200931 flash flood watches
- Average year
- 9over 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.
- Elmore County58
- Boise County56
- Camas County56
- Gem County49
- Washington County49
- Adams County48
- Valley County48
- Owyhee County33
- Lemhi County27
- Idaho County25
- Twin Falls County24
- Blaine County15
- Custer County15
- Canyon County14
- Payette County14
- Gooding County12
- Jerome County12
- Ada County11
- Benewah County11
- Latah County11
- Shoshone County11
- Bonner County10
- Boundary County10
- Kootenai County10
- Clearwater County8
- Nez Perce County8
- Lewis County7
- Bonneville County6
- Caribou County4
- Oneida County4
- Power County4
- Fremont County4
- Madison County4
- Bannock County3
- Bear Lake County3
- Bingham County3
- Franklin County3
- Butte County3
- Cassia County3
- Jefferson County3
2 more counties
The latest flash flood watches
The most recent on file, newest first.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 18, 10:50 AM MDT | Flash Flood Watch | BOI | Ada, Adams, Boise, Camas, Canyon, Elmore and 8 more | 13 hr |
| Sep 18, 2:52 AM MDT | Flash Flood Watch | PIH | Bonneville, Fremont, Jefferson, Madison | 8 hr |
| Sep 2, 7:33 PM MDT | Flash Flood Watch | PIH | Blaine, Custer | 47 hr |
| Sep 2, 2:03 PM MDT | Flash Flood Watch | BOI | Adams, Boise, Camas, Canyon, Elmore, Gem and 4 more | 53 hr |
| Aug 13, 9:39 AM MDT | Flash Flood Watch | PIH | Blaine, Bonneville, Custer, Fremont, Jefferson, Madison | 59 hr |
| Aug 13, 9:11 AM MDT | Flash Flood Watch | BOI | Adams, Boise, Camas, Elmore, Gem, Valley and 1 more | 60 hr |
| Aug 12, 12:43 AM MDT | Flash Flood Watch | PIH | Bonneville, Fremont, Jefferson, Madison | 45 hr |
| Jul 21, 11:09 AM MDT | Flash Flood Watch | PIH | Blaine, Custer | 34 hr |
| Jul 21, 10:17 AM MDT | Flash Flood Watch | BOI | Boise, Camas, Elmore | 35 hr |
| Jul 16, 1:07 PM MDT | Flash Flood Watch | PIH | Blaine, Custer | 28 hr |
| Jul 16, 12:44 PM MDT | Flash Flood Watch | BOI | Boise, Camas, Elmore | 28 hr |
| Jun 26, 10:19 PM MDT | Flash Flood Watch | PIH | Blaine, Custer | 23 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.