Alert archive / Idaho / Winter Weather Advisories

Winter Weather Advisories in Idaho, 2021

126 winter weather advisories 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 weather advisories reaches back to 2005.

Winter Weather Advisories by county

Each county as a circle sized by its count in 2021. Tap one for its archive.

Winter Weather Advisories: 126
Busiest month: December46 winter weather advisories
Busiest day: February 10, 20214 winter weather advisories

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
Jan 1, 1:31 PM MST	Winter Weather Advisory	BOI	Adams, Boise, Camas, Elmore, Gem, Valley and 1 more	47 hr
Jan 1, 1:47 PM MST	Winter Weather Advisory	PIH	Blaine, Custer	48 hr
Jan 2, 1:58 PM MST	Winter Weather Advisory	MSO	Clearwater, Idaho	23 hr
Jan 3, 2:00 PM MST	Winter Weather Advisory	PIH	Bannock, Bear Lake, Bingham, Blaine, Bonneville, Butte and 11 more	43 hr
Jan 3, 4:11 PM MST	Winter Weather Advisory	OTX	Bonner, Boundary, Kootenai	21 hr
Jan 4, 2:39 AM MST	Winter Weather Advisory	MSO	Clearwater, Idaho	30 hr
Jan 4, 11:45 AM MST	Winter Weather Advisory	MSO	Lemhi	21 hr
Jan 5, 3:30 AM MST	Winter Weather Advisory	PIH	Bingham, Bonneville, Butte, Fremont, Jefferson, Madison	5 hr
Jan 5, 3:59 AM MST	Winter Weather Advisory	OTX	Bonner, Boundary, Kootenai	43 hr
Jan 11, 3:15 AM MST	Winter Weather Advisory	BOI	Adams, Gem, Valley, Washington	44 hr
Jan 11, 1:29 PM MST	Winter Weather Advisory	PIH	Bannock, Bear Lake, Bingham, Blaine, Bonneville, Butte and 12 more	51 hr
Jan 15, 12:50 PM MST	Winter Weather Advisory	MSO	Idaho, Lemhi	10 hr
Jan 16, 1:14 PM MST	Winter Weather Advisory	MSO	Idaho	39 hr
Jan 20, 2:12 PM MST	Winter Weather Advisory	MSO	Clearwater, Idaho	20 hr
Jan 21, 1:22 PM MST	Winter Weather Advisory	PIH	Bear Lake, Caribou, Franklin	48 hr
Jan 22, 2:24 AM MST	Winter Weather Advisory	BOI	Owyhee, Twin Falls	32 hr
Jan 25, 2:21 PM MST	Winter Weather Advisory	BOI	Adams, Gem, Valley, Washington	44 hr
Jan 25, 2:30 PM MST	Winter Weather Advisory	PIH	Bear Lake, Bingham, Blaine, Bonneville, Butte, Caribou and 9 more	5 days
Jan 29, 1:12 PM MST	Winter Weather Advisory	MSO	Lemhi	10 hr
Feb 2, 9:27 AM MST	Winter Weather Advisory	MSO	Clearwater, Idaho	20 hr
Feb 2, 9:42 AM MST	Winter Weather Advisory	OTX	Benewah, Kootenai, Latah, Lewis, Nez Perce, Shoshone	10 hr
Feb 3, 3:17 PM MST	Winter Weather Advisory	OTX	Benewah, Kootenai, Latah, Lewis, Nez Perce, Shoshone	45 hr
Feb 4, 3:29 AM MST	Winter Weather Advisory	PIH	Bear Lake, Bingham, Bonneville, Caribou, Clark, Franklin and 3 more	40 hr
Feb 4, 11:07 AM MST	Winter Weather Advisory	MSO	Clearwater, Idaho, Lemhi	26 hr
Feb 5, 12:51 AM MST	Winter Weather Advisory	BOI	Adams, Gem, Valley, Washington	10 hr
Feb 5, 2:49 PM MST	Winter Weather Advisory	OTX	Bonner, Boundary, Kootenai	38 hr
Feb 5, 2:59 PM MST	Winter Weather Advisory	MSO	Clearwater, Idaho	68 hr
Feb 6, 4:44 AM MST	Winter Weather Advisory	PIH	Bear Lake, Bonneville, Caribou, Franklin, Fremont, Madison and 1 more	37 hr
Feb 7, 7:52 PM MST	Winter Weather Advisory	OTX	Benewah, Kootenai, Latah, Lewis, Nez Perce, Shoshone	20 hr
Feb 10, 3:03 AM MST	Winter Weather Advisory	BOI	Adams, Boise, Camas, Elmore, Gem, Valley and 1 more	59 hr
Feb 10, 3:12 AM MST	Winter Weather Advisory	PIH	Bannock, Bear Lake, Bingham, Blaine, Bonneville, Butte and 6 more	3 days
Feb 10, 1:26 PM MST	Winter Weather Advisory	BOI	Ada, Adams, Boise, Camas, Canyon, Elmore and 8 more	70 hr
Feb 10, 3:33 PM MST	Winter Weather Advisory	OTX	Benewah, Latah, Lewis, Nez Perce	3 days
Feb 11, 3:31 AM MST	Winter Weather Advisory	MSO	Clearwater, Idaho, Lemhi	61 hr
Feb 12, 3:29 AM MST	Winter Weather Advisory	PIH	Bannock, Bingham, Blaine, Bonneville, Cassia, Franklin and 7 more	35 hr
Feb 13, 10:59 AM MST	Winter Weather Advisory	BOI	Adams, Boise, Camas, Elmore, Gem, Gooding and 4 more	6 hr
Feb 13, 2:09 PM MST	Winter Weather Advisory	BOI	Ada, Adams, Boise, Camas, Canyon, Elmore and 8 more	63 hr
Feb 14, 6:10 AM MST	Winter Weather Advisory	OTX	Bonner, Boundary, Kootenai	38 hr
Feb 14, 2:01 PM MST	Winter Weather Advisory	PIH	Bannock, Bear Lake, Bingham, Blaine, Bonneville, Butte and 11 more	39 hr
Feb 14, 2:31 PM MST	Winter Weather Advisory	MSO	Clearwater, Idaho, Lemhi	3 days
Feb 15, 10:49 PM MST	Winter Weather Advisory	OTX	Benewah, Kootenai, Latah, Nez Perce, Shoshone	24 hr
Feb 17, 2:25 AM MST	Winter Weather Advisory	BOI	Ada, Adams, Boise, Camas, Canyon, Elmore and 8 more	57 hr
Feb 17, 12:43 PM MST	Winter Weather Advisory	PIH	Blaine, Bonneville, Cassia, Clark, Custer, Fremont and 2 more	45 hr
Feb 17, 4:04 PM MST	Winter Weather Advisory	OTX	Benewah, Bonner, Boundary, Kootenai, Latah, Shoshone	46 hr
Feb 18, 3:06 AM MST	Winter Weather Advisory	MSO	Clearwater, Idaho	35 hr
Feb 19, 3:20 AM MST	Winter Weather Advisory	PIH	Bear Lake, Bonneville, Caribou, Clark, Franklin, Fremont and 2 more	41 hr
Feb 20, 8:28 AM MST	Winter Weather Advisory	MSO	Clearwater, Idaho	9 hr
Feb 21, 8:20 AM MST	Winter Weather Advisory	MSO	Clearwater, Idaho	71 hr
Feb 21, 3:05 PM MST	Winter Weather Advisory	OTX	Benewah, Kootenai, Latah, Shoshone	38 hr
Feb 22, 3:10 AM MST	Winter Weather Advisory	PIH	Bonneville, Clark, Fremont, Madison, Teton	41 hr
Feb 23, 7:03 AM MST	Winter Weather Advisory	OTX	Benewah, Kootenai, Latah, Lewis, Nez Perce, Shoshone	26 hr
Feb 23, 8:08 AM MST	Winter Weather Advisory	MSO	Clearwater, Idaho	23 hr
Feb 24, 11:07 AM MST	Winter Weather Advisory	MSO	Clearwater, Idaho	72 hr
Feb 24, 12:12 PM MST	Winter Weather Advisory	OTX	Benewah, Bonner, Boundary, Kootenai, Latah, Lewis and 2 more	52 hr
Feb 24, 12:30 PM MST	Winter Weather Advisory	BOI	Camas, Elmore, Owyhee, Twin Falls	3 days
Feb 25, 3:13 AM MST	Winter Weather Advisory	PIH	Bannock, Bingham, Bonneville, Caribou, Cassia, Clark and 5 more	53 hr
Feb 26, 9:48 PM MST	Winter Weather Advisory	OTX	Benewah, Kootenai, Latah, Lewis, Nez Perce, Shoshone	13 hr
Mar 7, 1:51 PM MST	Winter Weather Advisory	MSO	Idaho	45 hr
Mar 19, 1:45 PM MDT	Winter Weather Advisory	PIH	Bear Lake, Bingham, Bonneville, Caribou, Clark, Franklin and 3 more	38 hr
Mar 20, 2:46 PM MDT	Winter Weather Advisory	OTX	Benewah, Kootenai, Latah, Shoshone	45 hr
Mar 21, 1:51 PM MDT	Winter Weather Advisory	MSO	Clearwater, Idaho	22 hr
Mar 24, 1:30 PM MDT	Winter Weather Advisory	OTX	Benewah, Kootenai, Latah, Lewis, Nez Perce, Shoshone	20 hr
Mar 24, 1:52 PM MDT	Winter Weather Advisory	MSO	Clearwater, Idaho	19 hr
Mar 24, 2:16 PM MDT	Winter Weather Advisory	BOI	Owyhee	22 hr
Mar 28, 11:03 AM MDT	Winter Weather Advisory	MSO	Idaho	24 hr
Apr 7, 3:13 AM MDT	Winter Weather Advisory	OTX	Benewah, Kootenai, Latah, Shoshone	31 hr
Apr 7, 12:10 PM MDT	Winter Weather Advisory	MSO	Clearwater, Idaho	22 hr
Apr 13, 1:10 PM MDT	Winter Weather Advisory	BOI	Twin Falls	23 hr
May 18, 2:37 PM MDT	Winter Weather Advisory	MSO	Clearwater, Idaho, Lemhi	67 hr
May 22, 2:13 PM MDT	Winter Weather Advisory	MSO	Lemhi	22 hr
Jun 9, 2:13 PM MDT	Winter Weather Advisory	MSO	Idaho	29 hr
Oct 9, 1:38 PM MDT	Winter Weather Advisory	PIH	Bannock, Bear Lake, Bingham, Blaine, Bonneville, Butte and 10 more	69 hr
Oct 9, 1:57 PM MDT	Winter Weather Advisory	MSO	Lemhi	63 hr
Nov 6, 1:33 PM MDT	Winter Weather Advisory	MSO	Idaho	19 hr
Nov 9, 2:23 PM MST	Winter Weather Advisory	MSO	Idaho, Lemhi	19 hr
Nov 11, 6:58 AM MST	Winter Weather Advisory	MSO	Clearwater, Idaho	5 hr
Nov 18, 3:38 AM MST	Winter Weather Advisory	OTX	Benewah, Bonner, Boundary, Kootenai, Latah, Shoshone	36 hr
Nov 18, 3:06 PM MST	Winter Weather Advisory	MSO	Clearwater, Idaho	36 hr
Nov 21, 2:34 PM MST	Winter Weather Advisory	MSO	Clearwater, Idaho	60 hr
Nov 21, 6:54 PM MST	Winter Weather Advisory	OTX	Benewah, Bonner, Boundary, Kootenai, Latah, Shoshone	50 hr
Dec 3, 1:25 PM MST	Winter Weather Advisory	MSO	Idaho	46 hr
Dec 3, 3:06 PM MST	Winter Weather Advisory	OTX	Benewah, Bonner, Boundary, Kootenai, Latah, Shoshone	32 hr
Dec 5, 3:03 PM MST	Winter Weather Advisory	MSO	Clearwater, Idaho	42 hr
Dec 5, 3:41 PM MST	Winter Weather Advisory	OTX	Benewah, Bonner, Boundary, Kootenai, Latah, Shoshone	31 hr
Dec 7, 6:35 AM MST	Winter Weather Advisory	OTX	Benewah, Bonner, Boundary, Kootenai, Latah, Shoshone	5 hr
Dec 7, 3:14 PM MST	Winter Weather Advisory	OTX	Bonner, Boundary, Kootenai	17 hr
Dec 8, 10:48 AM MST	Winter Weather Advisory	MSO	Clearwater, Idaho	12 hr
Dec 9, 3:12 AM MST	Winter Weather Advisory	MSO	Clearwater, Idaho	30 hr
Dec 9, 3:45 AM MST	Winter Weather Advisory	OTX	Benewah, Kootenai, Latah, Shoshone	21 hr
Dec 10, 2:24 PM MST	Winter Weather Advisory	PIH	Bannock, Bear Lake, Bingham, Blaine, Bonneville, Butte and 13 more	5 days
Dec 10, 2:26 PM MST	Winter Weather Advisory	BOI	Camas, Elmore	39 hr
Dec 10, 3:01 PM MST	Winter Weather Advisory	MSO	Clearwater, Idaho	65 hr
Dec 10, 3:31 PM MST	Winter Weather Advisory	OTX	Benewah, Latah	19 hr
Dec 11, 1:44 PM MST	Winter Weather Advisory	MSO	Clearwater, Idaho	42 hr
Dec 12, 10:54 AM MST	Winter Weather Advisory	OTX	Lewis, Nez Perce	19 hr
Dec 12, 3:32 PM MST	Winter Weather Advisory	OTX	Benewah, Kootenai, Latah, Lewis, Nez Perce, Shoshone	43 hr
Dec 13, 2:56 AM MST	Winter Weather Advisory	BOI	Adams, Boise, Camas, Elmore, Gem, Valley and 1 more	36 hr
Dec 13, 1:51 PM MST	Winter Weather Advisory	MSO	Clearwater, Idaho, Lemhi	32 hr
Dec 14, 2:37 PM MST	Winter Weather Advisory	BOI	Ada, Adams, Boise, Camas, Canyon, Elmore and 8 more	41 hr
Dec 15, 1:55 PM MST	Winter Weather Advisory	PIH	Bannock, Bear Lake, Bingham, Blaine, Bonneville, Caribou and 10 more	41 hr
Dec 15, 2:40 PM MST	Winter Weather Advisory	MSO	Clearwater, Idaho	44 hr
Dec 16, 10:21 AM MST	Winter Weather Advisory	OTX	Benewah, Kootenai, Latah, Lewis, Nez Perce, Shoshone	15 hr
Dec 17, 2:53 PM MST	Winter Weather Advisory	OTX	Benewah, Kootenai, Latah, Lewis, Nez Perce, Shoshone	3 days
Dec 18, 7:44 AM MST	Winter Weather Advisory	MSO	Clearwater, Idaho	21 hr
Dec 18, 2:38 PM MST	Winter Weather Advisory	MSO	Clearwater, Idaho	59 hr
Dec 19, 2:54 AM MST	Winter Weather Advisory	BOI	Adams, Gem, Valley, Washington	32 hr
Dec 21, 2:24 PM MST	Winter Weather Advisory	BOI	Ada, Adams, Boise, Camas, Elmore, Gem and 6 more	6 days
Dec 21, 3:33 PM MST	Winter Weather Advisory	OTX	Bonner, Boundary, Kootenai	15 hr
Dec 21, 3:48 PM MST	Winter Weather Advisory	OTX	Benewah, Kootenai, Latah, Shoshone	13 hr
Dec 22, 1:26 PM MST	Winter Weather Advisory	PIH	Bannock, Bear Lake, Bingham, Blaine, Bonneville, Butte and 13 more	6 days
Dec 22, 1:28 PM MST	Winter Weather Advisory	MSO	Clearwater, Idaho	22 hr
Dec 23, 11:53 AM MST	Winter Weather Advisory	MSO	Clearwater, Idaho, Lemhi	47 hr
Dec 23, 1:53 PM MST	Winter Weather Advisory	OTX	Benewah, Kootenai, Latah, Shoshone	45 hr
Dec 24, 11:16 AM MST	Winter Weather Advisory	OTX	Benewah, Bonner, Boundary, Kootenai, Latah, Shoshone	70 hr
Dec 25, 12:43 PM MST	Winter Weather Advisory	MSO	Clearwater, Idaho, Lemhi	28 hr
Dec 28, 2:33 AM MST	Winter Weather Advisory	BOI	Ada, Adams, Boise, Camas, Canyon, Elmore and 5 more	38 hr
Dec 28, 1:40 PM MST	Winter Weather Advisory	MSO	Clearwater, Idaho	21 hr
Dec 28, 3:53 PM MST	Winter Weather Advisory	OTX	Benewah, Kootenai, Latah, Lewis, Nez Perce, Shoshone	19 hr
Dec 29, 2:12 AM MST	Winter Weather Advisory	PIH	Bear Lake, Bonneville, Caribou, Clark, Franklin, Fremont and 3 more	50 hr
Dec 29, 1:10 PM MST	Winter Weather Advisory	PIH	Bear Lake, Bonneville, Caribou, Fremont, Madison, Teton	39 hr
Dec 29, 1:25 PM MST	Winter Weather Advisory	MSO	Clearwater, Idaho	46 hr
Dec 29, 2:43 PM MST	Winter Weather Advisory	OTX	Benewah, Kootenai, Latah, Lewis, Nez Perce, Shoshone	29 hr
Dec 29, 8:05 PM MST	Winter Weather Advisory	BOI	Ada, Adams, Boise, Camas, Canyon, Elmore and 8 more	48 hr
Dec 30, 8:50 AM MST	Winter Weather Advisory	MSO	Clearwater, Idaho	26 hr
Dec 31, 4:01 AM MST	Winter Weather Advisory	PIH	Bannock, Bear Lake, Bingham, Blaine, Bonneville, Butte and 11 more	14 hr
Dec 31, 4:57 AM MST	Winter Weather Advisory	OTX	Benewah, Kootenai, Latah, Lewis, Nez Perce, Shoshone	6 hr

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force now Tornadoes on record The radar archive 2020 2022

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.