Alert archive / Idaho / Boise County
Weather alerts in Boise County, Idaho, 2021
67 weather alerts in 2021, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Boise County and its neighbors
Each county as a circle sized by its count in 2021. Tap one for its archive.
- Alerts
- 67
- Warnings
- 38
- Watches
- 11
- Advisories
- 14
- Busiest month
- July18 alerts
- Busiest day
- June 23, 20214 alerts
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 | Lasted |
|---|---|---|---|
| Jan 1, 1:31 PM MST | Winter Weather Advisory | BOI | 47 hr |
| Jan 25, 2:35 AM MST | Winter Storm Watch | BOI | 12 hr |
| Jan 25, 2:21 PM MST | Winter Storm Warning | BOI | 3 days |
| Feb 10, 3:03 AM MST | Winter Weather Advisory | BOI | 59 hr |
| Feb 10, 1:26 PM MST | Winter Weather Advisory | BOI | 70 hr |
| Feb 13, 10:59 AM MST | Winter Weather Advisory | BOI | 6 hr |
| Feb 13, 2:09 PM MST | Winter Weather Advisory | BOI | 63 hr |
| Feb 17, 2:25 AM MST | Winter Weather Advisory | BOI | 57 hr |
| Feb 24, 12:30 PM MST | Winter Storm Warning | BOI | 65 hr |
| Mar 28, 2:44 AM MDT | Wind Advisory | BOI | 27 hr |
| May 1, 3:13 PM MDT | Severe Thunderstorm Warning | BOI | 47 min |
| Jun 3, 4:58 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 22, 10:19 AM MDT | High Wind Watch | BOI | 10 hr |
| Jun 22, 7:14 PM MDT | Dust Storm Warning | BOI | 31 min |
| Jun 22, 7:45 PM MDT | Dust Storm Warning | BOI | 90 min |
| Jun 22, 8:36 PM MDT | High Wind Warning | BOI | 3 hr |
| Jun 23, 2:33 PM MDT | Excessive Heat Watch | BOI | 24 hr |
| Jun 24, 2:09 PM MDT | Excessive Heat Warning | BOI | 13 days |
| Jun 30, 2:07 PM MDT | Red Flag Warning | BOI | 33 hr |
| Jun 30, 2:12 PM MDT | Red Flag Warning | PIH | 31 hr |
| Jul 2, 3:14 AM MDT | Red Flag Warning | PIH | 17 hr |
| Jul 4, 2:56 AM MDT | Red Flag Warning | PIH | 23 hr |
| Jul 4, 8:10 AM MDT | Red Flag Warning | BOI | 15 hr |
| Jul 6, 2:28 AM MDT | Fire Weather Watch | PIH | 11 hr |
| Jul 6, 2:28 AM MDT | Fire Weather Watch | PIH | 35 hr |
| Jul 6, 1:23 PM MDT | Red Flag Warning | PIH | 31 hr |
| Jul 8, 2:58 AM MDT | Excessive Heat Watch | BOI | 12 hr |
| Jul 8, 2:37 PM MDT | Excessive Heat Warning | BOI | 4 days |
| Jul 12, 1:43 PM MDT | Fire Weather Watch | BOI | 24 hr |
| Jul 13, 1:05 AM MDT | Red Flag Warning | PIH | 21 hr |
| Jul 13, 1:33 PM MDT | Red Flag Warning | BOI | 5 days |
| Jul 15, 1:09 PM MDT | Red Flag Warning | PIH | 38 hr |
| Jul 17, 3:40 AM MDT | Heat Advisory | BOI | 41 hr |
| Jul 18, 2:23 PM MDT | Red Flag Warning | BOI | 57 hr |
| Jul 19, 1:53 AM MDT | Red Flag Warning | PIH | 43 hr |
| Jul 23, 2:18 PM MDT | Excessive Heat Watch | BOI | 12 hr |
| Jul 24, 2:02 AM MDT | Excessive Heat Warning | BOI | 70 hr |
| Jul 29, 2:20 PM MDT | Flash Flood Watch | BOI | 3 days |
| Jul 31, 10:12 PM MDT | Flash Flood Warning | BOI | 3 hr |
| Aug 4, 2:34 PM MDT | Red Flag Warning | BOI | 42 hr |
| Aug 4, 8:12 PM MDT | Special Weather Statement | BOI | 33 min |
| Aug 4, 8:48 PM MDT | Special Weather Statement | BOI | 27 min |
| Aug 5, 2:45 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Aug 19, 2:41 PM MDT | Fire Weather Watch | BOI | 18 hr |
| Aug 20, 8:25 AM MDT | Red Flag Warning | BOI | 40 hr |
| Aug 20, 9:50 AM MDT | Red Flag Warning | PIH | 37 hr |
| Aug 29, 1:10 PM MDT | Red Flag Warning | PIH | 32 hr |
| Aug 31, 12:49 AM MDT | Red Flag Warning | PIH | 20 hr |
| Sep 5, 1:28 PM MDT | Red Flag Warning | PIH | 32 hr |
| Sep 6, 8:18 AM MDT | Red Flag Warning | BOI | 13 hr |
| Sep 7, 1:13 PM MDT | Red Flag Warning | BOI | 32 hr |
| Sep 10, 2:47 AM MDT | Red Flag Warning | PIH | 19 hr |
| Sep 16, 1:24 PM MDT | Red Flag Warning | BOI | 56 hr |
| Sep 16, 1:35 PM MDT | Red Flag Warning | PIH | 55 hr |
| Sep 18, 5:00 AM MDT | Wind Advisory | BOI | 15 hr |
| Sep 26, 1:23 PM MDT | Red Flag Warning | PIH | 51 min |
| Sep 26, 2:14 PM MDT | Red Flag Warning | PIH | 30 hr |
| Dec 9, 3:10 AM MST | Winter Storm Watch | BOI | 35 hr |
| Dec 10, 2:26 PM MST | Winter Storm Warning | BOI | 61 hr |
| Dec 13, 2:56 AM MST | Winter Weather Advisory | BOI | 36 hr |
| Dec 14, 2:37 PM MST | Winter Weather Advisory | BOI | 41 hr |
| Dec 21, 2:24 PM MST | Winter Weather Advisory | BOI | 6 days |
| Dec 22, 1:48 PM MST | Winter Storm Warning | BOI | 5 days |
| Dec 24, 7:59 PM MST | Snow Squall Warning | BOI | 31 min |
| Dec 28, 2:33 AM MST | Winter Weather Advisory | BOI | 38 hr |
| Dec 29, 8:05 PM MST | Winter Weather Advisory | BOI | 48 hr |
| Dec 30, 2:46 AM MST | Winter Storm Warning | BOI | 24 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 archive20202022
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. Rebuilt daily.