Alert archive / Idaho / Winter Storm Warnings / 2021
Winter Storm Warnings in Idaho, December 2021
15 winter storm warnings in December 2021. 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 winter storm warnings reaches back to 2005.
Winter Storm Warnings by county
Each county as a circle sized by its count in December 2021. Tap one for its archive.
- Winter Storm Warnings
- 15
- Busiest day
- December 10, 20214 winter storm warnings
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 |
|---|---|---|---|---|
| Dec 10, 3:44 AM MST | Winter Storm Warning | OTX | Benewah, Bonner, Boundary, Kootenai, Latah, Shoshone | 55 hr |
| Dec 10, 2:24 PM MST | Winter Storm Warning | PIH | Bear Lake, Blaine, Butte, Caribou, Clark, Custer and 3 more | 5 days |
| Dec 10, 2:26 PM MST | Winter Storm Warning | BOI | Adams, Boise, Camas, Elmore, Gem, Valley and 1 more | 61 hr |
| Dec 10, 3:01 PM MST | Winter Storm Warning | MSO | Clearwater | 53 hr |
| Dec 14, 7:40 AM MST | Winter Storm Warning | MSO | Clearwater, Idaho | 14 hr |
| Dec 17, 1:20 PM MST | Winter Storm Warning | MSO | Clearwater, Idaho | 64 hr |
| Dec 17, 2:53 PM MST | Winter Storm Warning | OTX | Benewah, Bonner, Boundary, Kootenai, Latah, Lewis and 2 more | 48 hr |
| Dec 22, 1:26 PM MST | Winter Storm Warning | PIH | Bear Lake, Blaine, Bonneville, Butte, Caribou, Clark and 5 more | 6 days |
| Dec 22, 1:48 PM MST | Winter Storm Warning | BOI | Adams, Boise, Camas, Elmore, Gem, Owyhee and 3 more | 5 days |
| Dec 23, 4:01 PM MST | Winter Storm Warning | OTX | Bonner, Boundary, Kootenai | 3 days |
| Dec 26, 2:11 PM MST | Winter Storm Warning | BOI | Owyhee | 30 hr |
| Dec 28, 2:33 AM MST | Winter Storm Warning | BOI | Adams, Washington | 32 hr |
| Dec 29, 2:43 PM MST | Winter Storm Warning | OTX | Benewah, Kootenai, Latah, Lewis, Nez Perce, Shoshone | 38 hr |
| Dec 30, 2:46 AM MST | Winter Storm Warning | BOI | Adams, Boise, Camas, Canyon, Elmore, Gem and 4 more | 24 hr |
| Dec 30, 8:50 AM MST | Winter Storm Warning | MSO | Clearwater, Idaho | 11 hr |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Kootenai County4
- Adams County4
- Washington County4
- Clearwater County4
- Benewah County3
- Bonner County3
- Boundary County3
- Latah County3
- Shoshone County3
- Boise County3
- Camas County3
- Elmore County3
- Gem County3
- Valley County3
- Idaho County3
- Owyhee County3
- Bear Lake County2
- Blaine County2
- Butte County2
- Caribou County2
- Clark County2
- Custer County2
- Franklin County2
- Fremont County2
- Teton County2
- Lewis County2
- Nez Perce County2
- Bonneville County1
- Madison County1
- Twin Falls County1
- Canyon County1
- Payette County1
Nearby
Alerts in force nowTornadoes on recordThe radar archive20202022
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.