Alert archive / Idaho / 2018
Weather alerts in Idaho, September 2018
26 weather alerts in September 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.
Weather alerts by county
Each county as a circle sized by its count in September 2018. Tap one for its archive.
- Alerts
- 26
- Warnings
- 13
- Watches
- 5
- Advisories
- 5
- Busiest day
- September 6, 20183 alerts
Over time
By day
Days in UTC, the clock the archive keeps.
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 |
|---|---|---|---|---|
| Sep 6, 2:58 AM MDT | Red Flag Warning | PIH | Butte, Custer, Idaho, Lemhi, Valley | 16 hr |
| Sep 6, 12:29 PM MDT | Special Weather Statement | PIH | Cassia | 31 min |
| Sep 6, 1:52 PM MDT | Fire Weather Watch | PIH | Bingham, Blaine, Bonneville, Butte, Clark, Fremont and 7 more | 25 hr |
| Sep 7, 2:30 PM MDT | Red Flag Warning | PIH | Bingham, Blaine, Bonneville, Butte, Clark, Fremont and 7 more | 31 hr |
| Sep 8, 1:33 AM MDT | Special Weather Statement | OTX | Benewah, Kootenai | 57 min |
| Sep 8, 2:15 AM MDT | Special Weather Statement | OTX | Bonner, Boundary | 60 min |
| Sep 9, 1:05 PM MDT | Red Flag Warning | BOI | Boise, Camas, Elmore, Gem, Valley | 30 hr |
| Sep 9, 1:37 PM MDT | Red Flag Warning | PIH | Blaine, Boise, Butte, Custer, Idaho, Lemhi and 1 more | 31 hr |
| Sep 13, 2:07 PM MDT | Fire Weather Watch | PIH | Bannock, Bear Lake, Bingham, Bonneville, Butte, Caribou and 10 more | 24 hr |
| Sep 13, 2:07 PM MDT | Red Flag Warning | PIH | Bannock, Bear Lake, Bonneville, Caribou, Franklin, Oneida and 1 more | 31 hr |
| Sep 14, 2:14 PM MDT | Red Flag Warning | PIH | Bannock, Bear Lake, Bingham, Bonneville, Butte, Caribou and 10 more | 31 hr |
| Sep 15, 8:01 AM MDT | Red Flag Warning | BOI | Owyhee, Twin Falls | 11 hr |
| Sep 15, 8:33 AM MDT | Wind Advisory | PIH | Bannock, Bear Lake, Bingham, Bonneville, Caribou, Cassia and 6 more | 12 hr |
| Sep 15, 2:08 PM MDT | Red Flag Warning | PIH | Bannock, Bear Lake, Blaine, Boise, Bonneville, Butte and 6 more | 31 hr |
| Sep 15, 9:03 PM MDT | Wind Advisory | PIH | Bannock, Bear Lake, Bingham, Bonneville, Caribou, Cassia and 6 more | 117 min |
| Sep 17, 8:40 AM MDT | Red Flag Warning | BOI | Boise, Camas, Elmore | 11 hr |
| Sep 17, 8:58 AM MDT | Red Flag Warning | PIH | Blaine, Boise, Custer | 11 hr |
| Sep 20, 12:48 PM MDT | Fire Weather Watch | PIH | Bannock, Bear Lake, Blaine, Boise, Bonneville, Butte and 6 more | 23 hr |
| Sep 21, 11:40 AM MDT | Red Flag Warning | PIH | Bannock, Bear Lake, Blaine, Boise, Bonneville, Butte and 6 more | 32 hr |
| Sep 23, 4:32 AM MDT | Frost Advisory | PIH | Bannock, Bingham, Blaine, Bonneville, Butte, Fremont and 6 more | 28 hr |
| Sep 23, 4:32 AM MDT | Freeze Watch | PIH | Bannock, Bingham, Blaine, Bonneville, Butte, Fremont and 6 more | 33 hr |
| Sep 24, 1:29 PM MDT | Frost Advisory | PIH | Bannock, Bingham, Blaine, Cassia, Lincoln, Minidoka and 1 more | 20 hr |
| Sep 24, 1:29 PM MDT | Hard Freeze Warning | PIH | Bingham, Bonneville, Butte, Fremont, Jefferson, Madison and 1 more | 20 hr |
| Sep 25, 1:35 PM MDT | Frost Advisory | PIH | Bannock, Bingham, Blaine, Bonneville, Butte, Fremont and 5 more | 19 hr |
| Sep 29, 8:37 AM MDT | Red Flag Warning | PIH | Bannock, Bear Lake, Bonneville, Caribou, Cassia, Franklin and 3 more | 11 hr |
| Sep 30, 1:24 PM MDT | Flash Flood Watch | PIH | Bannock, Bear Lake, Bingham, Bonneville, Caribou, Franklin and 2 more | 57 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Special Weather Statement | 3 |
| Flooding | |
| Flash Flood Watch | 1 |
| Cold | |
| Hard Freeze Warning | 1 |
| Freeze Watch | 1 |
| Frost Advisory | 3 |
| Wind and dust | |
| Wind Advisory | 2 |
| Fire | |
| Red Flag Warning | 12 |
| Fire Weather Watch | 3 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bonneville County16
- Power County16
- Bannock County14
- Butte County13
- Bingham County12
- Blaine County11
- Fremont County10
- Jefferson County10
- Madison County10
- Bear Lake County10
- Caribou County10
- Franklin County10
- Oneida County10
- Cassia County7
- Teton County7
- Boise County7
- Custer County6
- Lincoln County6
- Minidoka County6
- Lemhi County5
- Clark County4
- Twin Falls County4
- Valley County3
- Idaho County2
- Jerome County2
- Camas County2
- Elmore County2
- Benewah County1
- Kootenai County1
- Bonner County1
- Boundary County1
- Gem County1
- Owyhee County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20172019
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.