Alert archive / Idaho / Owyhee County

Weather alerts in Owyhee County, Idaho, 2026

115 weather alerts in 2026, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.

Owyhee County and its neighbors

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

Alerts
115
Warnings
35
Watches
17
Advisories
25
Busiest month
July35 alerts
Busiest day
July 8, 20268 alerts

Over time

By month

Warning verification

How often warnings here had a storm report inside them, and how much warning the reports had.

Owyhee County, 2026

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
Tornado warnings00
Severe thunderstorm warnings10280%10%
Flash flood warnings10100%0

Each office's whole area, 2026

WarningsWith a reportFalse alarm ratioReportsInside a warningMean lead time
NWS Boise, ID: severe thunderstorm warnings461078%4360%23 min
NWS Boise, ID: flash flood warnings13192%367%69 min

An office's figures cover every county it serves, including across state lines.

The year is still running; reports filed late and damage surveys can still change these figures.

Verified by the Iowa Environmental Mesonet's Cow, which matches each storm-based warning with the local storm reports inside its polygon while it was in force, within 15 km of its edge: a tornado warning counts as verified on a tornado report, a severe thunderstorm warning on hail of 1 inch or more, a gust of 58 mph or more, or wind damage, a flash flood warning on a flash flood report. The false alarm ratio is the share of warnings with no such report; "inside a warning" is the probability of detection, the share of reports that fell inside one; lead time runs from the warning's issue to each report inside it, counting zero for a report that came first. A warning with no report is not proof nothing happened: reports come from spotters, the public and damage surveys, and are thin where few people live.

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.

IssuedProductOfficeLasted
Jan 1, 2:46 AM MSTWinter Weather AdvisoryBOI32 hr
Jan 2, 7:36 PM MSTDense Fog AdvisoryBOI11 hr
Jan 9, 1:27 PM MSTAir Stagnation AdvisoryBOI15 days
Jan 13, 12:56 PM MSTDense Fog AdvisoryBOI23 hr
Jan 14, 2:01 PM MSTDense Fog AdvisoryBOI23 hr
Jan 15, 2:14 PM MSTDense Fog AdvisoryBOI21 hr
Jan 31, 1:35 AM MSTAir Stagnation AdvisoryBOI7 days
Feb 6, 2:13 AM MSTAir Stagnation AdvisoryBOI55 hr
Feb 16, 2:24 AM MSTWinter Weather AdvisoryBOI30 hr
Mar 4, 1:23 AM MSTWind AdvisoryBOI43 hr
Mar 12, 2:32 AM MDTHigh Wind WatchBOI35 hr
Mar 13, 1:48 PM MDTHigh Wind WarningBOI31 hr
Mar 13, 1:48 PM MDTWind AdvisoryBOI31 hr
Apr 10, 5:49 PM MDTSpecial Weather StatementBOI41 min
Apr 10, 7:15 PM MDTSpecial Weather StatementBOI45 min
Apr 10, 7:38 PM MDTSpecial Weather StatementBOI52 min
Apr 15, 2:23 AM MDTFreeze WatchBOI10 hr
Apr 15, 2:23 AM MDTWind AdvisoryBOI18 hr
Apr 15, 12:43 PM MDTFreeze WarningBOI21 hr
Apr 15, 12:43 PM MDTFreeze WarningBOI45 hr
Apr 16, 9:36 PM MDTFreeze WarningBOI35 hr
Apr 23, 9:54 PM MDTFreeze WatchBOI13 hr
Apr 24, 10:24 AM MDTFreeze WarningBOI23 hr
May 11, 12:11 PM MDTWind AdvisoryBOI58 hr
May 16, 7:13 PM MDTWind AdvisoryBOI27 hr
May 25, 1:39 PM MDTSpecial Weather StatementBOI51 min
May 25, 2:17 PM MDTSpecial Weather StatementBOI43 min
May 25, 2:53 PM MDTSpecial Weather StatementBOI52 min
May 28, 1:49 PM MDTSevere Thunderstorm WatchSPC7 hr
May 28, 2:31 PM MDTSpecial Weather StatementBOI44 min
May 28, 3:17 PM MDTSevere Thunderstorm WarningBOI43 min
May 28, 3:38 PM MDTSevere Thunderstorm Warning Considerable damage threatBOI37 min
May 28, 4:15 PM MDTMesoscale DiscussionSPC2 hr
May 28, 6:10 PM MDTMesoscale DiscussionSPC2 hr
Jun 2, 12:52 PM MDTRed Flag WarningBOI32 hr
Jun 5, 1:44 PM MDTFire Weather WatchBOI23 hr
Jun 6, 12:31 PM MDTRed Flag WarningBOI31 hr
Jun 10, 12:58 AM MDTWind AdvisoryBOI18 hr
Jun 14, 12:46 PM MDTFire Weather WatchBOI24 hr
Jun 15, 12:26 PM MDTRed Flag WarningBOI33 hr
Jun 16, 1:11 PM MDTRed Flag WarningBOI32 hr
Jun 18, 8:05 AM MDTFire Weather WatchBOI5 hr
Jun 18, 12:57 PM MDTRed Flag WarningBOI56 hr
Jun 20, 2:51 PM MDTSpecial Weather StatementBOI24 min
Jun 20, 3:17 PM MDTSpecial Weather StatementBOI28 min
Jun 25, 8:24 AM MDTFire Weather WatchBOI4 hr
Jun 25, 12:53 PM MDTRed Flag WarningBOI33 hr
Jun 26, 7:29 PM MDTSpecial Weather StatementBOI46 min
Jun 27, 4:26 AM MDTAreal Flood AdvisoryBOI3 hr
Jul 6, 8:01 AM MDTRed Flag WarningBOI13 hr
Jul 7, 9:09 AM MDTRed Flag WarningBOI12 hr
Jul 7, 2:29 PM MDTRed Flag WarningBOI30 hr
Jul 8, 3:33 PM MDTSpecial Weather StatementBOI27 min
Jul 8, 4:01 PM MDTSpecial Weather StatementBOI44 min
Jul 8, 4:03 PM MDTSevere Thunderstorm WarningBOI10 min
Jul 8, 4:11 PM MDTSpecial Weather StatementBOI49 min
Jul 8, 4:23 PM MDTSevere Thunderstorm WarningBOI12 min
Jul 8, 4:33 PM MDTSevere Thunderstorm WarningBOI27 min
Jul 8, 4:57 PM MDTSpecial Weather StatementBOI48 min
Jul 8, 5:27 PM MDTSpecial Weather StatementBOI48 min
Jul 8, 6:18 PM MDTSpecial Weather StatementBOI42 min
Jul 9, 12:56 PM MDTHeat AdvisoryBOI56 hr
Jul 11, 8:55 PM MDTHeat AdvisoryBOI48 hr
Jul 15, 12:43 PM MDTHeat AdvisoryBOI32 hr
Jul 15, 1:14 PM MDTRed Flag WarningBOI32 hr
Jul 15, 5:03 PM MDTSpecial Weather StatementBOI42 min
Jul 16, 2:51 PM MDTSpecial Weather StatementBOI39 min
Jul 16, 3:42 PM MDTSpecial Weather StatementBOI48 min
Jul 16, 5:06 PM MDTSevere Thunderstorm WarningBOI39 min
Jul 16, 6:39 PM MDTSpecial Weather StatementBOI51 min
Jul 17, 4:32 PM MDTSpecial Weather StatementBOI28 min
Jul 17, 4:55 PM MDTSpecial Weather StatementBOI35 min
Jul 17, 5:00 PM MDTSevere Thunderstorm WarningBOI29 min
Jul 17, 5:22 PM MDTSpecial Weather StatementBOI38 min
Jul 19, 12:16 AM MDTHeat AdvisoryBOI45 hr
Jul 22, 1:17 PM MDTHeat AdvisoryBOI3 days
Jul 22, 2:51 PM MDTFire Weather WatchBOI23 hr
Jul 22, 2:51 PM MDTRed Flag WarningBOI30 hr
Jul 23, 2:12 PM MDTRed Flag WarningBOI55 hr
Jul 23, 5:27 PM MDTSevere Thunderstorm WarningBOI33 min
Jul 23, 5:55 PM MDTSevere Thunderstorm WarningBOI35 min
Jul 29, 7:30 AM MDTRed Flag WarningBOI14 hr
Jul 30, 8:13 AM MDTFire Weather WatchBOI28 hr
Jul 31, 12:39 PM MDTRed Flag WarningBOI32 hr
Aug 5, 12:00 PM MDTHeat AdvisoryBOI3 days
Aug 11, 1:27 PM MDTFire Weather WatchBOI24 hr
Aug 12, 1:20 PM MDTRed Flag WarningBOI3 days
Aug 14, 5:05 PM MDTSpecial Weather StatementBOI25 min
Aug 15, 2:31 PM MDTSpecial Weather StatementBOI44 min
Aug 15, 2:44 PM MDTFlash Flood WarningBOI2 hr
Aug 15, 3:10 PM MDTSpecial Weather StatementBOI50 min
Aug 15, 3:19 PM MDTSevere Thunderstorm WarningBOI41 min
Aug 15, 3:54 PM MDTSpecial Weather StatementBOI51 min
Aug 19, 2:17 AM MDTHeat AdvisoryBOI67 hr
Aug 21, 12:48 PM MDTWind AdvisoryBOI8 hr
Aug 21, 2:35 PM MDTMesoscale DiscussionSPC2 hr
Aug 21, 5:20 PM MDTRed Flag WarningBOI31 hr
Aug 23, 12:58 PM MDTFire Weather WatchBOI16 hr
Aug 24, 4:40 AM MDTRed Flag WarningBOI16 hr
Aug 24, 3:22 PM MDTSpecial Weather StatementBOI38 min
Aug 24, 4:02 PM MDTSpecial Weather StatementBOI28 min
Aug 24, 4:16 PM MDTSpecial Weather StatementBOI44 min
Aug 24, 4:29 PM MDTSpecial Weather StatementBOI31 min
Aug 24, 4:58 PM MDTSpecial Weather StatementBOI32 min
Aug 24, 5:21 PM MDTSpecial Weather StatementBOI24 min
Aug 24, 5:46 PM MDTSpecial Weather StatementBOI29 min
Aug 24, 10:17 PM MDTSpecial Weather StatementBOI43 min
Aug 25, 1:37 PM MDTFire Weather WatchBOI21 hr
Aug 26, 11:02 AM MDTRed Flag WarningBOI34 hr
Sep 2, 2:03 PM MDTFlash Flood WatchBOI53 hr
Sep 10, 12:40 PM MDTFire Weather WatchBOI24 hr
Sep 11, 12:47 PM MDTRed Flag WarningBOI32 hr
Sep 17, 1:42 PM MDTFire Weather WatchBOI18 hr
Sep 18, 9:50 AM MDTAreal Flood AdvisoryBOI5 hr
Sep 18, 10:50 AM MDTFlash Flood WatchBOI13 hr

By product

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

The busiest days

Days with the most alerts issued, by UTC date.

Nearby

Alerts in force nowTornadoes on recordForecastThe 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.