Alert archive / Montana / Custer County
Weather alerts in Custer County, Montana, 2018
140 weather alerts in 2018, from the National Weather Service and the Storm Prediction Center. An alert counts here when it covered this county.
Custer County and its neighbors
Each county as a circle sized by its count in 2018. Tap one for its archive.
- Alerts
- 140
- Warnings
- 41
- Watches
- 17
- Advisories
- 19
- Busiest month
- June37 alerts
- Busiest day
- June 29, 201812 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, 3:24 PM MST | Wind Chill Advisory | BYZ | 18 hr |
| Jan 5, 4:56 AM MST | Dense Fog Advisory | BYZ | 7 hr |
| Jan 9, 4:11 AM MST | Winter Storm Watch | BYZ | 11 hr |
| Jan 9, 2:49 PM MST | Winter Weather Advisory | BYZ | 30 hr |
| Jan 10, 3:08 PM MST | Wind Chill Advisory | BYZ | 18 hr |
| Jan 11, 3:54 AM MST | Winter Weather Advisory | BYZ | 41 hr |
| Jan 13, 12:27 PM MST | Special Weather Statement | BYZ | 2 hr |
| Jan 14, 2:26 AM MST | Wind Chill Advisory | BYZ | 57 hr |
| Jan 14, 1:11 PM MST | Special Weather Statement | BYZ | 19 min |
| Jan 14, 1:15 PM MST | Special Weather Statement | BYZ | 15 min |
| Jan 14, 1:54 PM MST | Special Weather Statement | BYZ | 81 min |
| Jan 19, 7:34 AM MST | Special Weather Statement | BYZ | 116 min |
| Feb 2, 2:51 PM MST | Winter Storm Watch | BYZ | 13 hr |
| Feb 2, 2:51 PM MST | Winter Storm Warning | BYZ | 3 days |
| Feb 2, 2:51 PM MST | Winter Weather Advisory | BYZ | 13 hr |
| Feb 4, 3:16 PM MST | Winter Weather Advisory | BYZ | 30 hr |
| Feb 6, 3:39 PM MST | Winter Storm Watch | BYZ | 35 hr |
| Feb 7, 3:33 PM MST | Winter Storm Warning | BYZ | 42 hr |
| Feb 9, 2:55 PM MST | Wind Chill Advisory | BYZ | 21 hr |
| Feb 11, 2:05 PM MST | Wind Chill Advisory | BYZ | 22 hr |
| Feb 16, 11:55 PM MST | Special Weather Statement | BYZ | 95 min |
| Feb 17, 2:56 AM MST | Winter Weather Advisory | BYZ | 66 hr |
| Mar 2, 3:18 AM MST | Winter Storm Watch | BYZ | 48 hr |
| Mar 3, 6:46 AM MST | Dense Fog Advisory | BYZ | 4 hr |
| Mar 3, 2:34 PM MST | Winter Weather Advisory | BYZ | 49 hr |
| Mar 3, 2:38 PM MST | Dense Fog Advisory | BYZ | 21 hr |
| Mar 4, 11:58 AM MST | Special Weather Statement | BYZ | 3 hr |
| Mar 14, 2:49 PM MDT | Winter Storm Watch | BYZ | 12 hr |
| Mar 15, 2:37 AM MDT | Winter Storm Warning | BYZ | 41 hr |
| Mar 23, 3:13 PM MDT | Winter Storm Watch | BYZ | 36 hr |
| Mar 24, 3:19 AM MDT | Special Weather Statement | BYZ | 3 hr |
| Mar 24, 6:23 AM MDT | Special Weather Statement | BYZ | 3 hr |
| Mar 30, 4:00 PM MDT | Special Weather Statement | BYZ | 60 min |
| Mar 31, 2:52 PM MDT | Winter Storm Watch | BYZ | 24 hr |
| Apr 1, 3:30 AM MDT | Winter Storm Warning | BYZ | 50 hr |
| Apr 7, 2:52 PM MDT | Winter Weather Advisory | BYZ | 19 hr |
| Apr 10, 2:58 PM MDT | Winter Storm Watch | BYZ | 36 hr |
| Apr 11, 3:15 PM MDT | Winter Storm Warning | BYZ | 48 hr |
| Apr 29, 3:52 PM MDT | Severe Thunderstorm Warning | BYZ | 53 min |
| Apr 29, 4:29 PM MDT | Severe Thunderstorm Warning | BYZ | 41 min |
| Apr 29, 5:06 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 7, 2:49 PM MDT | Mesoscale Discussion | SPC | 116 min |
| May 7, 5:21 PM MDT | Special Weather Statement | BYZ | 54 min |
| May 8, 5:44 PM MDT | Special Weather Statement | BYZ | 46 min |
| May 8, 6:29 PM MDT | Special Weather Statement | BYZ | 61 min |
| May 8, 6:49 PM MDT | Severe Thunderstorm Warning | BYZ | 26 min |
| May 8, 7:28 PM MDT | Special Weather Statement | BYZ | 47 min |
| May 17, 5:51 PM MDT | Severe Thunderstorm Warning | BYZ | 24 min |
| May 23, 2:34 PM MDT | Mesoscale Discussion | SPC | 116 min |
| May 23, 4:52 PM MDT | Special Weather Statement | BYZ | 38 min |
| May 23, 5:18 PM MDT | Severe Thunderstorm Warning | BYZ | 57 min |
| May 23, 6:18 PM MDT | Severe Thunderstorm Warning | BYZ | 57 min |
| May 23, 7:16 PM MDT | Severe Thunderstorm Warning | BYZ | 59 min |
| May 24, 1:37 PM MDT | River Flood Watch | BYZ | 46 hr |
| May 26, 11:28 AM MDT | River Flood Warning | BYZ | 9 days |
| May 26, 2:21 PM MDT | Mesoscale Discussion | SPC | 114 min |
| May 26, 4:46 PM MDT | Mesoscale Discussion | SPC | 119 min |
| May 26, 9:13 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| May 27, 12:39 AM MDT | Special Weather Statement | BYZ | 36 min |
| May 29, 3:06 PM MDT | Special Weather Statement | BYZ | 39 min |
| May 29, 4:52 PM MDT | Special Weather Statement | BYZ | 38 min |
| May 31, 1:50 PM MDT | Severe Thunderstorm Watch | SPC | 8 hr |
| May 31, 5:27 PM MDT | Mesoscale Discussion | SPC | 93 min |
| May 31, 8:18 PM MDT | Mesoscale Discussion | SPC | 57 min |
| May 31, 8:51 PM MDT | Severe Thunderstorm Warning | BYZ | 54 min |
| Jun 1, 1:54 AM MDT | Special Weather Statement | BYZ | 51 min |
| Jun 1, 11:03 AM MDT | Mesoscale Discussion | SPC | 117 min |
| Jun 1, 11:45 AM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jun 1, 1:01 PM MDT | Severe Thunderstorm Warning | BYZ | 44 min |
| Jun 1, 3:04 PM MDT | Mesoscale Discussion | SPC | 86 min |
| Jun 6, 8:55 PM MDT | Special Weather Statement | BYZ | 50 min |
| Jun 6, 9:40 PM MDT | Special Weather Statement | BYZ | 50 min |
| Jun 7, 1:51 PM MDT | Mesoscale Discussion | SPC | 84 min |
| Jun 7, 3:49 PM MDT | Severe Thunderstorm Watch | SPC | 9 hr |
| Jun 7, 5:16 PM MDT | Mesoscale Discussion | SPC | 119 min |
| Jun 7, 6:26 PM MDT | Severe Thunderstorm Warning | BYZ | 34 min |
| Jun 7, 6:41 PM MDT | Severe Thunderstorm Warning | BYZ | 49 min |
| Jun 7, 7:00 PM MDT | Severe Thunderstorm Warning | BYZ | 60 min |
| Jun 7, 7:08 PM MDT | Special Weather Statement | BYZ | 22 min |
| Jun 7, 7:30 PM MDT | Flash Flood Warning | BYZ | 3 hr |
| Jun 9, 6:32 PM MDT | Special Weather Statement | BYZ | 43 min |
| Jun 9, 6:35 PM MDT | Mesoscale Discussion | SPC | 85 min |
| Jun 20, 11:00 AM MDT | River Flood Warning | BYZ | 71 hr |
| Jun 21, 6:43 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Jun 21, 9:43 PM MDT | Special Weather Statement | BYZ | 62 min |
| Jun 28, 2:35 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jun 28, 3:42 PM MDT | Tornado Watch | SPC | 7 hr |
| Jun 28, 5:59 PM MDT | Mesoscale Discussion | SPC | 91 min |
| Jun 28, 6:06 PM MDT | Special Weather Statement | BYZ | 39 min |
| Jun 28, 6:35 PM MDT | Special Weather Statement | BYZ | 40 min |
| Jun 28, 6:35 PM MDT | Severe Thunderstorm Warning | BYZ | 55 min |
| Jun 28, 7:06 PM MDT | Severe Thunderstorm Warning | BYZ | 39 min |
| Jun 28, 7:11 PM MDT | Severe Thunderstorm Warning | BYZ | 64 min |
| Jun 28, 7:29 PM MDT | Severe Thunderstorm Warning | BYZ | 61 min |
| Jun 28, 7:41 PM MDT | Flash Flood Warning | BYZ | 3 hr |
| Jun 28, 8:06 PM MDT | Mesoscale Discussion | SPC | 84 min |
| Jun 28, 8:16 PM MDT | Special Weather Statement | BYZ | 44 min |
| Jun 28, 8:25 PM MDT | Severe Thunderstorm Warning | BYZ | 65 min |
| Jun 28, 9:26 PM MDT | Severe Thunderstorm Warning | BYZ | 79 min |
| Jun 28, 10:00 PM MDT | Special Weather Statement | BYZ | 45 min |
| Jul 2, 5:58 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Jul 2, 6:59 PM MDT | Severe Thunderstorm Watch | SPC | 6 hr |
| Jul 2, 8:50 PM MDT | Mesoscale Discussion | SPC | 115 min |
| Jul 2, 9:33 PM MDT | Severe Thunderstorm Warning | BYZ | 42 min |
| Jul 2, 9:45 PM MDT | Severe Thunderstorm Warning | BYZ | 60 min |
| Jul 2, 10:17 PM MDT | Severe Thunderstorm Warning | BYZ | 43 min |
| Jul 2, 10:23 PM MDT | Severe Thunderstorm Warning | BYZ | 52 min |
| Jul 2, 10:46 PM MDT | Severe Thunderstorm Warning | BYZ | 44 min |
| Jul 2, 11:01 PM MDT | Mesoscale Discussion | SPC | 89 min |
| Jul 2, 11:15 PM MDT | Severe Thunderstorm Warning | BYZ | 45 min |
| Jul 2, 11:24 PM MDT | Severe Thunderstorm Warning | BYZ | 66 min |
| Jul 3, 12:02 AM MDT | Severe Thunderstorm Warning | BYZ | 43 min |
| Jul 3, 8:13 PM MDT | Mesoscale Discussion | SPC | 2 hr |
| Jul 10, 1:50 PM MDT | Mesoscale Discussion | SPC | 115 min |
| Jul 17, 3:25 AM MDT | Flash Flood Watch | BYZ | 18 hr |
| Jul 17, 3:35 PM MDT | Special Weather Statement | BYZ | 55 min |
| Jul 21, 1:53 PM MDT | Mesoscale Discussion | SPC | 3 hr |
| Aug 2, 11:02 PM MDT | Special Weather Statement | BYZ | 58 min |
| Aug 3, 12:08 AM MDT | Special Weather Statement | BYZ | 52 min |
| Aug 3, 5:27 PM MDT | Severe Thunderstorm Warning | BYZ | 63 min |
| Aug 3, 6:28 PM MDT | Severe Thunderstorm Warning | BYZ | 62 min |
| Aug 3, 7:02 PM MDT | Severe Thunderstorm Warning | BYZ | 28 min |
| Aug 3, 7:28 PM MDT | Severe Thunderstorm Warning | BYZ | 92 min |
| Aug 3, 8:09 PM MDT | Special Weather Statement | BYZ | 51 min |
| Aug 9, 3:51 AM MDT | Excessive Heat Warning | BYZ | 4 days |
| Aug 9, 2:50 PM MDT | Fire Weather Watch | BYZ | 37 hr |
| Aug 11, 3:28 AM MDT | Red Flag Warning | BYZ | 42 hr |
| Aug 23, 12:06 AM MDT | Special Weather Statement | BYZ | 39 min |
| Sep 23, 8:04 AM MDT | Special Weather Statement | BYZ | 4 hr |
| Oct 12, 3:26 AM MDT | Special Weather Statement | BYZ | 4 hr |
| Oct 12, 8:20 AM MDT | Special Weather Statement | BYZ | 115 min |
| Nov 25, 4:48 AM MST | Special Weather Statement | BYZ | 5 hr |
| Nov 29, 3:13 AM MST | Winter Storm Watch | BYZ | 24 hr |
| Nov 30, 3:33 AM MST | Winter Weather Advisory | BYZ | 48 hr |
| Dec 3, 6:10 PM MST | Special Weather Statement | BYZ | 4 hr |
| Dec 3, 7:39 PM MST | Dense Fog Advisory | BYZ | 9 hr |
| Dec 5, 1:57 PM MST | Special Weather Statement | BYZ | 63 min |
| Dec 7, 2:12 AM MST | Special Weather Statement | BYZ | 4 hr |
| Dec 25, 3:17 AM MST | Winter Weather Advisory | BYZ | 38 hr |
| Dec 29, 1:58 PM MST | Winter Weather Advisory | BYZ | 49 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 | 30 |
| Severe Thunderstorm Watch | 4 |
| Tornado Watch | 1 |
| Mesoscale Discussion | 23 |
| Special Weather Statement | 40 |
| Flooding | |
| Flash Flood Warning | 2 |
| River Flood Warning | 2 |
| Flash Flood Watch | 1 |
| River Flood Watch | 1 |
| Winter | |
| Winter Storm Warning | 5 |
| Winter Storm Watch | 9 |
| Winter Weather Advisory | 10 |
| Heat | |
| Excessive Heat Warning | 1 |
| Cold | |
| Wind Chill Advisory | 5 |
| Fire | |
| Red Flag Warning | 1 |
| Fire Weather Watch | 1 |
| Fog and smoke | |
| Dense Fog Advisory | 4 |
The busiest days
Days with the most alerts issued, by UTC date.
Nearby
Alerts in force nowTornadoes on recordForecastThe radar archive20172019
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.