Alert archive / Idaho / 2020
Weather alerts in Idaho, September 2020
81 weather alerts in September 2020, 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 2020. Tap one for its archive.
- Alerts
- 81
- Warnings
- 25
- Watches
- 10
- Advisories
- 22
- Busiest day
- September 19, 202028 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.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Sep 3, 1:36 PM MDT | Fire Weather Watch | PIH | Bingham, Blaine, Boise, Bonneville, Butte, Clark and 12 more | 25 hr |
| Sep 3, 3:19 PM MDT | Heat Advisory | PIH | Bannock, Bingham, Blaine, Bonneville, Butte, Caribou and 9 more | 54 hr |
| Sep 4, 1:11 AM MDT | Fire Weather Watch | PIH | Bannock, Bear Lake, Bingham, Blaine, Bonneville, Butte and 14 more | 14 hr |
| Sep 4, 12:34 PM MDT | High Wind Watch | MSO | Lemhi | 49 hr |
| Sep 4, 2:59 PM MDT | Red Flag Warning | BOI | Boise, Camas, Elmore, Gem, Idaho, Valley | 30 hr |
| Sep 4, 3:03 PM MDT | Red Flag Warning | PIH | Bingham, Blaine, Boise, Bonneville, Butte, Clark and 12 more | 30 hr |
| Sep 4, 3:03 PM MDT | Red Flag Warning | PIH | Bannock, Bear Lake, Bingham, Blaine, Boise, Bonneville and 16 more | 54 hr |
| Sep 5, 2:11 AM MDT | Lake Wind Advisory | PIH | Bannock, Bingham, Power | 41 hr |
| Sep 5, 1:45 PM MDT | High Wind Watch | PIH | Bannock, Bear Lake, Bingham, Blaine, Bonneville, Butte and 13 more | 24 hr |
| Sep 5, 3:15 PM MDT | Fire Weather Watch | BOI | Ada, Canyon, Elmore, Gem, Gooding, Jerome and 4 more | 24 hr |
| Sep 5, 6:41 PM MDT | High Wind Watch | BOI | Ada, Camas, Canyon, Elmore, Gem, Gooding and 5 more | 18 hr |
| Sep 5, 6:41 PM MDT | Wind Advisory | BOI | Boise, Camas, Canyon, Elmore, Gem, Owyhee and 2 more | 53 hr |
| Sep 6, 2:23 AM MDT | Red Flag Warning | PIH | Bannock, Bear Lake, Bingham, Blaine, Bonneville, Butte and 14 more | 43 hr |
| Sep 6, 2:39 AM MDT | Freeze Watch | PIH | Bingham, Bonneville, Butte, Fremont, Jefferson, Madison | 35 hr |
| Sep 6, 3:50 AM MDT | Wind Advisory | OTX | Bonner, Boundary, Kootenai | 38 hr |
| Sep 6, 6:30 AM MDT | Red Flag Warning | OTX | Benewah, Bonner, Boundary, Kootenai, Shoshone | 39 hr |
| Sep 6, 12:43 PM MDT | High Wind Warning | BOI | Ada, Elmore, Gooding, Jerome, Owyhee, Twin Falls | 35 hr |
| Sep 6, 1:07 PM MDT | Winter Weather Advisory | MSO | Lemhi | 35 hr |
| Sep 6, 1:09 PM MDT | High Wind Warning | MSO | Lemhi | 35 hr |
| Sep 6, 1:09 PM MDT | Wind Advisory | MSO | Lemhi | 30 hr |
| Sep 6, 1:42 PM MDT | High Wind Warning | PIH | Bannock, Bingham, Blaine, Bonneville, Butte, Caribou and 9 more | 40 hr |
| Sep 6, 1:42 PM MDT | Wind Advisory | PIH | Bannock, Bear Lake, Bingham, Blaine, Bonneville, Butte and 12 more | 40 hr |
| Sep 6, 3:10 PM MDT | Red Flag Warning | BOI | Ada, Canyon, Elmore, Gem, Gooding, Jerome and 4 more | 30 hr |
| Sep 7, 1:22 PM MDT | Freeze Warning | PIH | Bannock, Bingham, Blaine, Bonneville, Butte, Cassia and 6 more | 44 hr |
| Sep 7, 2:12 PM MDT | Frost Advisory | MSO | Clearwater, Idaho | 19 hr |
| Sep 7, 2:12 PM MDT | Freeze Warning | MSO | Lemhi | 19 hr |
| Sep 8, 5:45 AM MDT | Wind Advisory | PIH | Bannock, Bingham, Blaine, Bonneville, Butte, Caribou and 8 more | 8 hr |
| Sep 8, 1:52 PM MDT | Lake Wind Advisory | PIH | Bannock, Bingham, Power | 6 hr |
| Sep 8, 2:20 PM MDT | Frost Advisory | BOI | Gooding, Jerome, Twin Falls | 19 hr |
| Sep 9, 12:32 PM MDT | Frost Advisory | PIH | Bannock, Bingham, Bonneville, Butte, Fremont, Jefferson and 2 more | 20 hr |
| Sep 9, 12:32 PM MDT | Lake Wind Advisory | PIH | Bannock, Bingham, Power | 7 hr |
| Sep 12, 3:58 PM MDT | Dense Smoke Advisory | OTX | Benewah, Bonner, Boundary, Kootenai, Latah | 14 hr |
| Sep 13, 2:21 AM MDT | Fire Weather Watch | PIH | Butte, Custer, Idaho, Lemhi, Valley | 12 hr |
| Sep 13, 2:00 PM MDT | Red Flag Warning | PIH | Butte, Custer, Idaho, Lemhi, Valley | 31 hr |
| Sep 15, 2:06 PM MDT | Fire Weather Watch | PIH | Bannock, Bear Lake, Bingham, Blaine, Boise, Bonneville and 19 more | 24 hr |
| Sep 15, 2:45 PM MDT | Fire Weather Watch | BOI | Boise, Camas, Elmore, Gem, Gooding, Jerome and 4 more | 48 hr |
| Sep 16, 1:50 PM MDT | Red Flag Warning | PIH | Bannock, Bear Lake, Bingham, Blaine, Boise, Bonneville and 19 more | 55 hr |
| Sep 16, 2:53 PM MDT | Red Flag Warning | BOI | Adams, Boise, Camas, Elmore, Gem, Idaho and 4 more | 54 hr |
| Sep 19, 1:05 PM MDT | Special Weather Statement | PIH | Camas | 55 min |
| Sep 19, 1:36 PM MDT | Special Weather Statement | PIH | Butte | 54 min |
| Sep 19, 1:54 PM MDT | Special Weather Statement | PIH | Blaine | 51 min |
| Sep 19, 2:09 PM MDT | Severe Thunderstorm Warning | PIH | Butte, Custer | 36 min |
| Sep 19, 2:30 PM MDT | Special Weather Statement | PIH | Oneida | 45 min |
| Sep 19, 2:41 PM MDT | Special Weather Statement | PIH | Butte | 64 min |
| Sep 19, 2:47 PM MDT | Special Weather Statement | PIH | Cassia | 43 min |
| Sep 19, 2:56 PM MDT | Special Weather Statement | PIH | Blaine | 49 min |
| Sep 19, 3:22 PM MDT | Severe Thunderstorm Warning | PIH | Butte, Jefferson | 23 min |
| Sep 19, 3:26 PM MDT | Special Weather Statement | PIH | Oneida | 49 min |
| Sep 19, 3:31 PM MDT | Special Weather Statement | PIH | Butte | 44 min |
| Sep 19, 3:44 PM MDT | Severe Thunderstorm Warning | PIH | Butte, Jefferson | 46 min |
| Sep 19, 3:52 PM MDT | Special Weather Statement | PIH | Jefferson | 53 min |
| Sep 19, 4:02 PM MDT | Special Weather Statement | PIH | Bannock | 58 min |
| Sep 19, 4:07 PM MDT | Special Weather Statement | PIH | Cassia | 53 min |
| Sep 19, 4:08 PM MDT | Severe Thunderstorm Warning | PIH | Clark, Fremont, Jefferson | 23 min |
| Sep 19, 4:12 PM MDT | Special Weather Statement | PIH | Bannock | 33 min |
| Sep 19, 4:19 PM MDT | Special Weather Statement | PIH | Bear Lake, Franklin, Oneida | 56 min |
| Sep 19, 4:29 PM MDT | Severe Thunderstorm Warning | PIH | Bingham, Bonneville, Clark, Fremont, Jefferson, Madison | 46 min |
| Sep 19, 4:49 PM MDT | Special Weather Statement | PIH | Bannock | 56 min |
| Sep 19, 4:50 PM MDT | Special Weather Statement | PIH | Bingham | 40 min |
| Sep 19, 5:04 PM MDT | Severe Thunderstorm Warning | PIH | Bingham, Bonneville, Fremont, Jefferson, Madison | 41 min |
| Sep 19, 5:16 PM MDT | Special Weather Statement | PIH | Fremont | 59 min |
| Sep 19, 5:19 PM MDT | Special Weather Statement | PIH | Franklin | 41 min |
| Sep 19, 5:34 PM MDT | Severe Thunderstorm Warning | PIH | Bonneville, Fremont, Jefferson, Madison, Teton | 41 min |
| Sep 19, 5:38 PM MDT | Severe Thunderstorm Warning | PIH | Bonneville, Fremont, Jefferson, Madison, Teton | 37 min |
| Sep 19, 5:43 PM MDT | Special Weather Statement | PIH | Bear Lake | 32 min |
| Sep 19, 5:43 PM MDT | Severe Thunderstorm Warning | PIH | Bannock, Bingham, Bonneville, Caribou | 32 min |
| Sep 19, 6:06 PM MDT | Special Weather Statement | PIH | Fremont | 24 min |
| Sep 19, 6:17 PM MDT | Special Weather Statement | PIH | Teton | 13 min |
| Sep 19, 6:21 PM MDT | Special Weather Statement | PIH | Bonneville | 39 min |
| Sep 19, 7:06 PM MDT | Special Weather Statement | PIH | Bonneville | 24 min |
| Sep 23, 12:59 PM MDT | Lake Wind Advisory | PIH | Bannock, Bingham, Power | 31 hr |
| Sep 23, 12:59 PM MDT | Wind Advisory | PIH | Bingham, Bonneville, Butte, Fremont, Jefferson, Madison | 31 hr |
| Sep 24, 1:49 PM MDT | Lake Wind Advisory | PIH | Bannock, Bingham, Power | 30 hr |
| Sep 24, 1:49 PM MDT | Wind Advisory | PIH | Bingham, Bonneville, Butte, Fremont, Jefferson, Madison and 1 more | 48 hr |
| Sep 25, 2:22 AM MDT | Wind Advisory | PIH | Bannock, Bingham, Blaine, Bonneville, Butte, Cassia and 6 more | 40 hr |
| Sep 25, 8:32 PM MDT | Special Weather Statement | OTX | Bonner | 28 min |
| Sep 26, 2:07 AM MDT | Frost Advisory | PIH | Bingham, Bonneville, Butte, Fremont, Jefferson, Madison | 31 hr |
| Sep 26, 5:37 PM MDT | Freeze Warning | OTX | Bonner, Boundary, Kootenai | 15 hr |
| Sep 27, 2:21 AM MDT | Frost Advisory | PIH | Bannock, Bingham, Blaine, Cassia, Lincoln, Minidoka and 1 more | 31 hr |
| Sep 27, 2:21 AM MDT | Freeze Warning | PIH | Bingham, Bonneville, Butte, Fremont, Jefferson, Madison | 31 hr |
| Sep 28, 12:57 PM MDT | Frost Advisory | PIH | Bannock, Bingham, Bonneville, Butte, Fremont, Jefferson and 2 more | 19 hr |
By product
Every kind of product issued here, grouped by hazard. Each opens the same place narrowed to that product.
| Product | Alerts |
|---|---|
| Severe storms | |
| Severe Thunderstorm Warning | 9 |
| Special Weather Statement | 24 |
| Winter | |
| Winter Weather Advisory | 1 |
| Heat | |
| Heat Advisory | 1 |
| Cold | |
| Freeze Warning | 4 |
| Freeze Watch | 1 |
| Frost Advisory | 6 |
| Wind and dust | |
| High Wind Warning | 3 |
| High Wind Watch | 3 |
| Lake Wind Advisory | 5 |
| Wind Advisory | 8 |
| Fire | |
| Red Flag Warning | 9 |
| Fire Weather Watch | 6 |
| Fog and smoke | |
| Dense Smoke Advisory | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Bingham County31
- Butte County29
- Bonneville County28
- Fremont County28
- Jefferson County28
- Madison County25
- Bannock County24
- Power County22
- Blaine County17
- Lincoln County17
- Minidoka County15
- Cassia County15
- Clark County13
- Jerome County13
- Teton County13
- Oneida County13
- Twin Falls County12
- Lemhi County11
- Caribou County11
- Custer County10
- Franklin County10
- Boise County9
- Idaho County9
- Valley County9
- Bear Lake County9
- Elmore County8
- Gem County7
- Owyhee County7
- Camas County6
- Gooding County6
- Bonner County5
- Ada County4
- Canyon County4
- Payette County4
- Boundary County4
- Kootenai County4
- Washington County3
- Benewah County2
- Shoshone County1
- Clearwater County1
2 more counties
Nearby
Alerts in force nowTornadoes on recordThe radar archive20192021
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.