Alert archive / Idaho / Severe Thunderstorm Warnings / 2026

Severe Thunderstorm Warnings in Idaho, August 2026

13 severe thunderstorm warnings in August 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 severe thunderstorm warnings reaches back to 1986.

Severe Thunderstorm Warnings by county

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

Severe Thunderstorm Warnings
13
Busiest day
August 23, 20267 severe thunderstorm 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.

IssuedProductOfficeCountiesLasted
Aug 15, 3:19 PM MDTSevere Thunderstorm WarningBOIElmore, Owyhee41 min
Aug 15, 5:52 PM MDTSevere Thunderstorm WarningMSOClearwater, Idaho27 min
Aug 15, 8:58 PM MDTSevere Thunderstorm WarningPIHBingham, Blaine, Bonneville, Butte, Power47 min
Aug 22, 2:12 PM MDTSevere Thunderstorm WarningPIHBannock, Bingham, Caribou, Power35 min
Aug 22, 6:17 PM MDTSevere Thunderstorm Warning Considerable damage threatPIHBingham, Blaine, Bonneville, Butte, Jefferson, Power43 min
Aug 23, 3:09 PM MDTSevere Thunderstorm WarningPIHBannock, Power36 min
Aug 23, 3:20 PM MDTSevere Thunderstorm WarningPIHBannock, Bingham, Bonneville, Caribou40 min
Aug 23, 3:43 PM MDTSevere Thunderstorm WarningPIHBannock, Oneida, Power47 min
Aug 23, 3:54 PM MDTSevere Thunderstorm WarningPIHCassia, Power30 min
Aug 23, 3:57 PM MDTSevere Thunderstorm WarningPIHCaribou48 min
Aug 23, 5:05 PM MDTSevere Thunderstorm WarningPIHCassia, Oneida40 min
Aug 24, 2:29 PM MDTSevere Thunderstorm WarningPIHCassia46 min
Aug 24, 3:10 PM MDTSevere Thunderstorm WarningPIHBlaine, Cassia, Minidoka, Power35 min

By county

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

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.