Alert archive / Idaho / 2026

Weather alerts in Idaho, September 2026

93 weather alerts in September 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered any part of the state, so the counties below add up to more than the state.

Weather alerts by county

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

Alerts
93
Warnings
31
Watches
9
Advisories
6
Busiest day
September 18, 202629 alerts

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
Sep 1, 3:45 PM MDTSpecial Weather StatementBOITwin Falls45 min
Sep 1, 4:24 PM MDTSevere Thunderstorm WarningBOIJerome, Twin Falls21 min
Sep 1, 4:44 PM MDTSpecial Weather StatementBOIJerome46 min
Sep 1, 4:51 PM MDTSpecial Weather StatementPIHLincoln39 min
Sep 1, 5:16 PM MDTSpecial Weather StatementPIHLincoln44 min
Sep 1, 5:43 PM MDTSpecial Weather StatementMSOLemhi32 min
Sep 1, 5:52 PM MDTSpecial Weather StatementBOIJerome38 min
Sep 1, 6:03 PM MDTSpecial Weather StatementBOIBoise27 min
Sep 1, 6:11 PM MDTSpecial Weather StatementPIHBlaine49 min
Sep 1, 6:27 PM MDTSpecial Weather StatementBOIBoise33 min
Sep 1, 6:43 PM MDTSpecial Weather StatementPIHBingham47 min
Sep 1, 7:20 PM MDTSpecial Weather StatementBOIBoise40 min
Sep 2, 2:03 PM MDTFlash Flood WatchBOIAdams, Boise, Camas, Canyon, Elmore, Gem and 4 more53 hr
Sep 2, 7:33 PM MDTFlash Flood WatchPIHBlaine, Custer47 hr
Sep 2, 8:03 PM MDTDust Storm AdvisoryOTXKootenai57 min
Sep 4, 12:05 AM MDTAreal Flood AdvisoryBOIPayette, Washington2 hr
Sep 6, 5:17 PM MDTSpecial Weather StatementOTXShoshone28 min
Sep 6, 5:47 PM MDTSpecial Weather StatementOTXKootenai28 min
Sep 6, 5:51 PM MDTSpecial Weather StatementOTXShoshone24 min
Sep 6, 6:08 PM MDTSpecial Weather StatementOTXBonner37 min
Sep 6, 6:17 PM MDTSpecial Weather StatementOTXBonner28 min
Sep 6, 6:22 PM MDTSevere Thunderstorm WarningOTXBonner, Kootenai, Shoshone20 min
Sep 6, 6:35 PM MDTAreal Flood AdvisoryOTXShoshone3 hr
Sep 6, 7:27 PM MDTSpecial Weather StatementOTXBonner33 min
Sep 6, 7:39 PM MDTSpecial Weather StatementOTXBoundary36 min
Sep 6, 8:52 PM MDTSpecial Weather StatementPIHBingham38 min
Sep 6, 9:37 PM MDTSpecial Weather StatementBOIGooding, Twin Falls83 min
Sep 9, 11:39 AM MDTRed Flag WarningPIHBingham, Bonneville, Butte, Clark, Fremont, Jefferson and 3 more32 hr
Sep 10, 12:40 PM MDTFire Weather WatchBOIOwyhee, Twin Falls24 hr
Sep 10, 7:37 PM MDTFire Weather WatchPIHCassia, Twin Falls25 hr
Sep 10, 7:37 PM MDTRed Flag WarningPIHBingham, Bonneville, Butte, Clark, Fremont, Jefferson and 3 more25 hr
Sep 10, 8:09 PM MDTSpecial Weather StatementPIHJefferson51 min
Sep 11, 12:47 PM MDTRed Flag WarningBOIOwyhee, Twin Falls32 hr
Sep 11, 8:32 PM MDTRed Flag WarningPIHCassia, Twin Falls24 hr
Sep 12, 12:59 PM MDTWind AdvisoryPIHBingham, Bonneville, Butte, Clark, Jefferson30 hr
Sep 13, 4:00 PM MDTSpecial Weather StatementOTXNez Perce30 min
Sep 13, 4:50 PM MDTSpecial Weather StatementOTXNez Perce25 min
Sep 14, 1:06 AM MDTFrost AdvisoryPIHBannock, Bingham, Blaine, Bonneville, Butte, Fremont and 5 more32 hr
Sep 16, 10:40 AM MDTFire Weather WatchBOIBoise, Camas, Elmore, Gem, Valley18 hr
Sep 16, 11:43 PM MDTSpecial Weather StatementBOIJerome47 min
Sep 17, 12:09 AM MDTSpecial Weather StatementPIHOneida51 min
Sep 17, 12:43 AM MDTSevere Thunderstorm WarningBOIGooding, Jerome, Twin Falls47 min
Sep 17, 12:46 AM MDTSpecial Weather StatementPIHPower29 min
Sep 17, 4:31 AM MDTRed Flag WarningBOIBoise, Camas, Elmore, Gem, Valley16 hr
Sep 17, 10:04 AM MDTFlash Flood Warning Considerable damage threatPIHJefferson, Madison3 hr
Sep 17, 1:42 PM MDTFire Weather WatchBOIBoise, Camas, Elmore, Gem, Gooding, Jerome and 4 more18 hr
Sep 17, 1:46 PM MDTMesoscale DiscussionSPCBannock, Bingham, Blaine, Butte, Camas, Custer and 4 more2 hr
Sep 17, 1:47 PM MDTSevere Thunderstorm WarningPIHOneida, Power28 min
Sep 17, 1:50 PM MDTSpecial Weather StatementPIHMinidoka25 min
Sep 17, 1:52 PM MDTSpecial Weather StatementPIHBlaine23 min
Sep 17, 2:09 PM MDTSpecial Weather StatementBOIValley51 min
Sep 17, 2:12 PM MDTSevere Thunderstorm WarningPIHBingham, Blaine, Butte33 min
Sep 17, 2:14 PM MDTSevere Thunderstorm WarningPIHBannock, Oneida, Power16 min
Sep 17, 2:28 PM MDTSpecial Weather StatementBOICamas32 min
Sep 17, 2:29 PM MDTSevere Thunderstorm WarningPIHBingham, Blaine, Butte, Minidoka, Power46 min
Sep 17, 2:43 PM MDTSevere Thunderstorm WarningPIHBingham, Butte, Jefferson47 min
Sep 17, 3:16 PM MDTSpecial Weather StatementPIHBingham29 min
Sep 17, 3:28 PM MDTSevere Thunderstorm WarningPIHBingham, Bonneville, Butte, Jefferson62 min
Sep 17, 4:16 PM MDTSevere Thunderstorm WarningPIHBonneville, Clark, Fremont, Jefferson, Madison44 min
Sep 17, 4:24 PM MDTSpecial Weather StatementBOI36 min
Sep 17, 4:57 PM MDTSpecial Weather StatementPIHClark, Fremont48 min
Sep 17, 5:38 PM MDTSpecial Weather StatementPIHBingham37 min
Sep 17, 6:14 PM MDTSpecial Weather StatementPIHBingham31 min
Sep 17, 7:32 PM MDTSevere Thunderstorm WarningPIHBear Lake29 min
Sep 17, 7:52 PM MDTSpecial Weather StatementPIHJefferson53 min
Sep 17, 8:25 PM MDTSpecial Weather StatementPIHBingham50 min
Sep 17, 9:08 PM MDTSevere Thunderstorm WarningPIHBingham, Bonneville52 min
Sep 17, 9:32 PM MDTSevere Thunderstorm WarningPIHBingham43 min
Sep 17, 9:51 PM MDTFlash Flood WarningPIHMadison5 hr
Sep 17, 10:00 PM MDTFlash Flood WarningPIHBonneville, Jefferson4 hr
Sep 17, 10:05 PM MDTSevere Thunderstorm WarningPIHBannock, Bingham, Oneida, Power29 min
Sep 17, 10:11 PM MDTSevere Thunderstorm WarningPIHBingham, Bonneville, Jefferson36 min
Sep 17, 10:25 PM MDTFlash Flood Warning Considerable damage threatPIHJefferson, Madison4 hr
Sep 17, 10:37 PM MDTSevere Thunderstorm WarningPIHBannock, Bingham, Caribou, Power38 min
Sep 17, 11:24 PM MDTSpecial Weather StatementPIHBonneville, Teton66 min
Sep 17, 11:26 PM MDTSpecial Weather StatementPIHBonneville49 min
Sep 18, 12:17 AM MDTSpecial Weather StatementPIHBonneville, Madison, Teton43 min
Sep 18, 12:21 AM MDTSpecial Weather StatementPIHBingham39 min
Sep 18, 12:54 AM MDTSpecial Weather StatementRIWTeton51 min
Sep 18, 2:52 AM MDTFlash Flood WatchPIHBonneville, Fremont, Jefferson, Madison8 hr
Sep 18, 8:28 AM MDTSpecial Weather StatementPIHBannock, Bear Lake, Caribou32 min
Sep 18, 9:08 AM MDTFlash Flood Warning Considerable damage threatPIHBlaine5 hr
Sep 18, 9:18 AM MDTSpecial Weather StatementBOIGooding27 min
Sep 18, 9:50 AM MDTAreal Flood AdvisoryBOIElmore, Gooding, Owyhee, Twin Falls5 hr
Sep 18, 10:30 AM MDTFlood WatchPIHBannock, Bear Lake, Bingham, Blaine, Bonneville, Butte and 10 more8 hr
Sep 18, 10:44 AM MDTFlash Flood Warning Considerable damage threatPIHJefferson, Madison89 min
Sep 18, 10:50 AM MDTFlash Flood WatchBOIAda, Adams, Boise, Camas, Canyon, Elmore and 8 more13 hr
Sep 18, 11:49 AM MDTFlash Flood WarningBOIElmore2 hr
Sep 18, 1:37 PM MDTFlash Flood WarningPIHBlaine, Butte, Custer3 hr
Sep 18, 5:21 PM MDTFlash Flood Warning Considerable damage threatBOIBoise2 hr
Sep 18, 5:47 PM MDTFlash Flood Warning Considerable damage threatBOIBoise118 min
Sep 22, 2:34 PM MDTMesoscale DiscussionSPCFranklin116 min
Sep 22, 7:41 PM MDTSpecial Weather StatementPIHCaribou34 min

By product

Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.

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.