Alert archive / Idaho / Mesoscale Discussions

Mesoscale Discussions in Idaho, 2026

33 mesoscale discussions in 2026. 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 mesoscale discussions reaches back to 2003.

Mesoscale Discussions by county

Each county as a circle sized by its count in 2026. Tap one for its archive.

Mesoscale Discussions
33
Busiest month
May9 mesoscale discussions
Busiest day
May 28, 20263 mesoscale discussions

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
Apr 11, 12:23 PM MDTMesoscale DiscussionSPCBannock, Bear Lake, Bingham, Bonneville, Caribou, Franklin and 3 more2 hr
Apr 11, 2:44 PM MDTMesoscale DiscussionSPCBear Lake, Bonneville, Caribou, Franklin, Fremont, Madison and 1 more2 hr
Apr 12, 12:40 PM MDTMesoscale DiscussionSPCBannock, Bear Lake, Bingham, Blaine, Bonneville, Butte and 13 more2 hr
Apr 12, 2:48 PM MDTMesoscale DiscussionSPCBannock, Bear Lake, Bingham, Bonneville, Butte, Caribou and 8 more117 min
May 13, 12:48 PM MDTMesoscale DiscussionSPCBannock, Bear Lake, Bingham, Bonneville, Caribou, Franklin and 6 more117 min
May 25, 5:46 PM MDTMesoscale DiscussionSPCAdams, Clearwater, Custer, Idaho, Lemhi, Lewis and 2 more119 min
May 27, 2:50 PM MDTMesoscale DiscussionSPCAda, Adams, Boise, Canyon, Custer, Elmore and 4 more85 min
May 28, 12:29 PM MDTMesoscale DiscussionSPCCanyon, Payette, Washington3 hr
May 28, 3:34 PM MDTMesoscale DiscussionSPCBenewah, Bonner, Boundary, Clearwater, Idaho, Kootenai and 4 more116 min
May 28, 4:15 PM MDTMesoscale DiscussionSPCAda, Adams, Canyon, Gem, Owyhee, Payette and 1 more2 hr
May 28, 6:10 PM MDTMesoscale DiscussionSPCAda, Adams, Canyon, Gem, Owyhee, Payette and 1 more2 hr
May 28, 6:42 PM MDTMesoscale DiscussionSPCBenewah, Bonner, Boundary, Clearwater, Idaho, Kootenai and 4 more63 min
May 28, 9:01 PM MDTMesoscale DiscussionSPCBenewah, Bonner, Boundary, Clearwater, Idaho, Kootenai and 4 more89 min
Jun 20, 1:33 PM MDTMesoscale DiscussionSPCBannock, Bear Lake, Caribou, Cassia, Franklin, Oneida and 2 more117 min
Jun 27, 9:26 AM MDTMesoscale DiscussionSPCBannock, Bear Lake, Caribou, Franklin, Oneida3 hr
Jul 1, 1:42 PM MDTMesoscale DiscussionSPCBingham, Blaine, Bonneville, Butte, Clark, Custer and 5 more2 hr
Jul 5, 1:07 PM MDTMesoscale DiscussionSPCCuster, Lemhi113 min
Jul 8, 1:59 PM MDTMesoscale DiscussionSPCBannock, Bear Lake, Bingham, Caribou, Cassia, Franklin and 6 more2 hr
Jul 16, 5:54 PM MDTMesoscale DiscussionSPCClearwater, Idaho, Lewis, Shoshone2 hr
Jul 23, 1:19 PM MDTMesoscale DiscussionSPCAdams, Canyon, Gem, Payette, Washington116 min
Jul 24, 1:02 PM MDTMesoscale DiscussionSPCBannock, Bingham, Blaine, Bonneville, Butte, Caribou and 11 more118 min
Jul 25, 2:52 PM MDTMesoscale DiscussionSPCBannock, Bingham, Caribou, Cassia, Franklin, Jerome and 4 more113 min
Jul 29, 2:14 PM MDTMesoscale DiscussionSPCBannock, Bingham, Blaine, Bonneville, Butte, Caribou and 12 more61 min
Aug 21, 2:35 PM MDTMesoscale DiscussionSPCAda, Cassia, Elmore, Gooding, Jerome, Lincoln and 4 more2 hr
Aug 22, 2:49 PM MDTMesoscale DiscussionSPCBannock, Bingham, Blaine, Bonneville, Butte, Cassia and 8 more116 min
Aug 22, 4:04 PM MDTMesoscale DiscussionSPCBenewah, Bonner, Boundary, Clearwater, Idaho, Kootenai and 5 more116 min
Aug 23, 1:19 PM MDTMesoscale DiscussionSPCFremont116 min
Aug 23, 2:04 PM MDTMesoscale DiscussionSPCBannock, Bear Lake, Caribou, Cassia, Franklin, Oneida and 1 more116 min
Aug 23, 4:56 PM MDTMesoscale DiscussionSPCBannock, Bear Lake, Caribou, Franklin, Oneida94 min
Aug 24, 1:03 PM MDTMesoscale DiscussionSPCBannock, Bear Lake, Bingham, Blaine, Bonneville, Butte and 12 more117 min
Aug 27, 2:55 PM MDTMesoscale DiscussionSPCBannock, Franklin, Oneida2 hr
Sep 17, 1:46 PM MDTMesoscale DiscussionSPCBannock, Bingham, Blaine, Butte, Camas, Custer and 4 more2 hr
Sep 22, 2:34 PM MDTMesoscale DiscussionSPCFranklin116 min

By county

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

4 more counties

The busiest days

Days with the most alerts issued, by UTC date.

  1. May 28, 20263mesoscale discussions
  2. May 29, 20263mesoscale discussions
  3. August 23, 20263mesoscale discussions
  4. April 11, 20262mesoscale discussions
  5. April 12, 20262mesoscale discussions
  6. August 22, 20262mesoscale discussions
  7. May 13, 20261mesoscale discussions
  8. May 25, 20261mesoscale discussions
  9. May 27, 20261mesoscale discussions
  10. June 20, 20261mesoscale discussions
  11. June 27, 20261mesoscale discussions
  12. July 1, 20261mesoscale discussions

Nearby

Alerts in force nowTornadoes on recordThe radar archive2025

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.