Alert archive / Idaho / Winter Storm Warnings

Winter Storm Warnings in Idaho, 2021

38 winter storm warnings in 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 2021. Tap one for its archive.

Winter Storm Warnings
38
Busiest month
February15 winter storm warnings
Busiest day
December 10, 20214 winter storm 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.

IssuedProductOfficeCountiesLasted
Jan 2, 4:18 AM MSTWinter Storm WarningOTXBenewah, Kootenai, Latah, Shoshone32 hr
Jan 3, 2:00 PM MSTWinter Storm WarningPIHBear Lake, Blaine, Bonneville, Butte, Caribou, Clark and 5 more43 hr
Jan 5, 3:30 AM MSTWinter Storm WarningPIHButte, Clark5 hr
Jan 12, 3:15 AM MSTWinter Storm WarningBOIAdams, Washington20 hr
Jan 25, 2:21 PM MSTWinter Storm WarningBOIAdams, Boise, Camas, Elmore, Gem, Valley and 1 more3 days
Jan 26, 3:26 AM MSTWinter Storm WarningPIHBlaine, Bonneville, Butte, Clark, Custer, Fremont and 2 more4 days
Feb 4, 1:34 PM MSTWinter Storm WarningMSOClearwater, Idaho21 hr
Feb 5, 2:49 PM MSTWinter Storm WarningOTXBenewah, Kootenai, Latah, Shoshone65 hr
Feb 5, 2:59 PM MSTWinter Storm WarningMSOClearwater, Idaho50 hr
Feb 10, 1:38 PM MSTWinter Storm WarningPIHBear Lake, Bonneville, Caribou, Franklin, Fremont, Madison and 1 more3 days
Feb 11, 10:53 AM MSTWinter Storm WarningMSOClearwater, Idaho30 hr
Feb 12, 1:42 PM MSTWinter Storm WarningBOIAda, Canyon, Elmore, Gem, Owyhee, Payette and 1 more21 hr
Feb 13, 10:59 AM MSTWinter Storm WarningBOIAda, Canyon, Elmore, Gem, Owyhee, Payette and 1 more6 hr
Feb 14, 6:10 AM MSTWinter Storm WarningOTXBenewah, Kootenai, Latah, Lewis, Nez Perce, Shoshone71 hr
Feb 14, 1:53 PM MSTWinter Storm WarningBOIAdams, Canyon, Gem, Owyhee, Payette, Washington21 hr
Feb 15, 7:29 AM MSTWinter Storm WarningMSOClearwater, Idaho49 hr
Feb 18, 2:48 AM MSTWinter Storm WarningBOIAdams, Canyon, Gem, Owyhee, Payette, Washington25 hr
Feb 18, 10:23 AM MSTWinter Storm WarningMSOClearwater, Idaho23 hr
Feb 24, 12:30 PM MSTWinter Storm WarningBOIAdams, Boise, Camas, Elmore, Gem, Valley and 1 more65 hr
Feb 25, 3:13 AM MSTWinter Storm WarningPIHBear Lake, Blaine, Bonneville, Caribou, Custer, Franklin and 3 more53 hr
Feb 25, 4:16 AM MSTWinter Storm WarningMSOClearwater, Idaho35 hr
Oct 10, 3:05 AM MDTWinter Storm WarningPIHBonneville, Butte, Clark, Fremont, Jefferson, Madison and 1 more55 hr
Oct 23, 2:21 PM MDTWinter Storm WarningPIHBlaine, Butte, Custer46 hr
Dec 10, 3:44 AM MSTWinter Storm WarningOTXBenewah, Bonner, Boundary, Kootenai, Latah, Shoshone55 hr
Dec 10, 2:24 PM MSTWinter Storm WarningPIHBear Lake, Blaine, Butte, Caribou, Clark, Custer and 3 more5 days
Dec 10, 2:26 PM MSTWinter Storm WarningBOIAdams, Boise, Camas, Elmore, Gem, Valley and 1 more61 hr
Dec 10, 3:01 PM MSTWinter Storm WarningMSOClearwater53 hr
Dec 14, 7:40 AM MSTWinter Storm WarningMSOClearwater, Idaho14 hr
Dec 17, 1:20 PM MSTWinter Storm WarningMSOClearwater, Idaho64 hr
Dec 17, 2:53 PM MSTWinter Storm WarningOTXBenewah, Bonner, Boundary, Kootenai, Latah, Lewis and 2 more48 hr
Dec 22, 1:26 PM MSTWinter Storm WarningPIHBear Lake, Blaine, Bonneville, Butte, Caribou, Clark and 5 more6 days
Dec 22, 1:48 PM MSTWinter Storm WarningBOIAdams, Boise, Camas, Elmore, Gem, Owyhee and 3 more5 days
Dec 23, 4:01 PM MSTWinter Storm WarningOTXBonner, Boundary, Kootenai3 days
Dec 26, 2:11 PM MSTWinter Storm WarningBOIOwyhee30 hr
Dec 28, 2:33 AM MSTWinter Storm WarningBOIAdams, Washington32 hr
Dec 29, 2:43 PM MSTWinter Storm WarningOTXBenewah, Kootenai, Latah, Lewis, Nez Perce, Shoshone38 hr
Dec 30, 2:46 AM MSTWinter Storm WarningBOIAdams, Boise, Camas, Canyon, Elmore, Gem and 4 more24 hr
Dec 30, 8:50 AM MSTWinter Storm WarningMSOClearwater, Idaho11 hr

By county

Every county with at least one alert. A county page lists each alert that covered it.

The busiest days

Days with the most alerts issued, by UTC date.

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.