Alert archive / Wyoming / 2024
Weather alerts in Wyoming, September 2024
171 weather alerts in September 2024, 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 2024. Tap one for its archive.
- Alerts
- 171
- Warnings
- 52
- Watches
- 23
- Advisories
- 3
- Busiest day
- September 12, 202425 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 1, 1:01 AM MDT | Red Flag Warning | RIW | Johnson | 19 hr |
| Sep 1, 1:22 AM MDT | Red Flag Warning | UNR | Campbell | 19 hr |
| Sep 1, 1:05 PM MDT | Red Flag Warning | UNR | Campbell, Crook, Weston | 56 hr |
| Sep 1, 1:49 PM MDT | Fire Weather Watch | CYS | Converse, Goshen, Niobrara, Platte | 13 hr |
| Sep 1, 1:49 PM MDT | Red Flag Warning | CYS | Albany, Carbon, Converse, Goshen, Laramie, Niobrara and 1 more | 30 hr |
| Sep 2, 2:29 AM MDT | Red Flag Warning | CYS | Converse, Goshen, Niobrara, Platte | 42 hr |
| Sep 2, 6:15 PM MDT | Special Weather Statement | RIW | Big Horn | 60 min |
| Sep 3, 12:07 PM MDT | Mesoscale Discussion | SPC | Park, Teton | 113 min |
| Sep 3, 12:31 PM MDT | Mesoscale Discussion | SPC | Lincoln, Sublette, Sweetwater, Uinta | 119 min |
| Sep 3, 12:41 PM MDT | Special Weather Statement | RIW | 34 min | |
| Sep 3, 1:13 PM MDT | Special Weather Statement | RIW | 32 min | |
| Sep 3, 1:44 PM MDT | Special Weather Statement | RIW | Sublette | 31 min |
| Sep 3, 2:37 PM MDT | Special Weather Statement | RIW | Teton | 23 min |
| Sep 3, 2:47 PM MDT | Mesoscale Discussion | SPC | Big Horn, Fremont, Hot Springs, Natrona, Sheridan, Washakie | 118 min |
| Sep 3, 2:55 PM MDT | Special Weather Statement | RIW | Teton | 35 min |
| Sep 3, 3:06 PM MDT | Special Weather Statement | RIW | Fremont | 24 min |
| Sep 3, 3:12 PM MDT | Special Weather Statement | RIW | Sweetwater | 33 min |
| Sep 3, 3:25 PM MDT | Special Weather Statement | RIW | Teton | 35 min |
| Sep 3, 3:31 PM MDT | Special Weather Statement | RIW | Fremont | 29 min |
| Sep 3, 3:44 PM MDT | Special Weather Statement | RIW | 46 min | |
| Sep 3, 3:58 PM MDT | Special Weather Statement | RIW | Fremont | 32 min |
| Sep 3, 4:29 PM MDT | Special Weather Statement | RIW | Big Horn | 31 min |
| Sep 3, 5:01 PM MDT | Special Weather Statement | RIW | 29 min | |
| Sep 3, 5:31 PM MDT | Special Weather Statement | RIW | Big Horn | 29 min |
| Sep 3, 5:48 PM MDT | Special Weather Statement | SLC | Uinta | 27 min |
| Sep 3, 6:22 PM MDT | Special Weather Statement | RIW | Natrona | 23 min |
| Sep 3, 6:33 PM MDT | Special Weather Statement | RIW | Johnson | 27 min |
| Sep 3, 6:39 PM MDT | Special Weather Statement | RIW | 36 min | |
| Sep 3, 7:08 PM MDT | Special Weather Statement | RIW | Johnson | 52 min |
| Sep 3, 8:01 PM MDT | Special Weather Statement | RIW | Sweetwater | 44 min |
| Sep 3, 8:44 PM MDT | Special Weather Statement | RIW | Sweetwater | 46 min |
| Sep 3, 9:21 PM MDT | Special Weather Statement | UNR | Weston | 54 min |
| Sep 4, 12:06 PM MDT | Mesoscale Discussion | SPC | Albany, Carbon, Converse, Goshen, Laramie, Natrona and 2 more | 114 min |
| Sep 4, 1:50 PM MDT | Special Weather Statement | CYS | Platte | 25 min |
| Sep 4, 2:03 PM MDT | Special Weather Statement | RIW | Natrona | 27 min |
| Sep 4, 2:06 PM MDT | Special Weather Statement | RIW | Sweetwater | 54 min |
| Sep 4, 2:18 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 42 min |
| Sep 4, 2:24 PM MDT | Special Weather Statement | CYS | Laramie | 51 min |
| Sep 4, 3:18 PM MDT | Special Weather Statement | RIW | Sublette | 42 min |
| Sep 4, 3:47 PM MDT | Special Weather Statement | CYS | Laramie | 43 min |
| Sep 4, 4:06 PM MDT | Special Weather Statement | CYS | Albany | 39 min |
| Sep 7, 1:22 PM MDT | Fire Weather Watch | BYZ | Sheridan | 25 hr |
| Sep 7, 4:09 PM MDT | Special Weather Statement | CYS | Goshen | 36 min |
| Sep 7, 6:53 PM MDT | Special Weather Statement | CYS | Platte | 37 min |
| Sep 8, 1:19 AM MDT | Fire Weather Watch | UNR | Campbell, Weston | 12 hr |
| Sep 8, 1:23 AM MDT | Fire Weather Watch | CYS | Albany, Converse, Goshen, Laramie, Niobrara, Platte | 24 hr |
| Sep 8, 2:18 AM MDT | Fire Weather Watch | RIW | Johnson, Natrona | 11 hr |
| Sep 8, 1:01 PM MDT | Red Flag Warning | UNR | Campbell, Weston | 31 hr |
| Sep 8, 1:38 PM MDT | Red Flag Warning | RIW | Fremont, Hot Springs, Johnson, Lincoln, Natrona, Park and 2 more | 30 hr |
| Sep 8, 2:13 PM MDT | Red Flag Warning | BYZ | Sheridan | 30 hr |
| Sep 8, 2:39 PM MDT | Red Flag Warning | CYS | Albany, Converse, Goshen, Laramie, Niobrara, Platte | 29 hr |
| Sep 9, 2:02 PM MDT | Special Weather Statement | RIW | Hot Springs | 28 min |
| Sep 10, 12:10 PM MDT | Special Weather Statement | RIW | Fremont | 35 min |
| Sep 10, 1:00 PM MDT | Special Weather Statement | RIW | Sublette | 45 min |
| Sep 10, 1:52 PM MDT | Fire Weather Watch | RIW | Fremont, Hot Springs, Johnson, Natrona, Sweetwater, Washakie | 24 hr |
| Sep 10, 3:59 PM MDT | Special Weather Statement | RIW | Fremont | 61 min |
| Sep 10, 5:15 PM MDT | Special Weather Statement | RIW | 60 min | |
| Sep 11, 1:23 AM MDT | Special Weather Statement | CYS | Albany | 67 min |
| Sep 11, 2:21 AM MDT | Red Flag Warning | UNR | Campbell, Crook, Weston | 42 hr |
| Sep 11, 2:27 AM MDT | Red Flag Warning | BYZ | Sheridan | 18 hr |
| Sep 11, 3:03 AM MDT | Fire Weather Watch | CYS | Albany, Carbon, Converse, Goshen, Laramie, Niobrara and 1 more | 10 hr |
| Sep 11, 1:14 PM MDT | Red Flag Warning | CYS | Albany, Carbon, Converse, Goshen, Laramie, Niobrara and 1 more | 31 hr |
| Sep 11, 1:22 PM MDT | Red Flag Warning | RIW | Fremont, Hot Springs, Johnson, Natrona, Sweetwater, Washakie | 30 hr |
| Sep 11, 1:50 PM MDT | Special Weather Statement | RIW | Fremont | 25 min |
| Sep 11, 3:13 PM MDT | Special Weather Statement | CYS | Platte | 47 min |
| Sep 11, 3:47 PM MDT | Special Weather Statement | CYS | Platte | 43 min |
| Sep 11, 5:00 PM MDT | Special Weather Statement | RIW | Teton | 30 min |
| Sep 11, 6:27 PM MDT | Special Weather Statement | RIW | Teton | 33 min |
| Sep 11, 6:49 PM MDT | Special Weather Statement | UNR | Campbell | 56 min |
| Sep 11, 6:57 PM MDT | Special Weather Statement | RIW | Teton | 33 min |
| Sep 11, 7:46 PM MDT | Special Weather Statement | UNR | Crook | 29 min |
| Sep 11, 8:38 PM MDT | Special Weather Statement | RIW | Teton | 37 min |
| Sep 11, 9:13 PM MDT | Special Weather Statement | RIW | 62 min | |
| Sep 12, 12:03 AM MDT | Special Weather Statement | RIW | Fremont | 27 min |
| Sep 12, 12:20 AM MDT | Special Weather Statement | RIW | Hot Springs | 25 min |
| Sep 12, 10:20 AM MDT | Special Weather Statement | RIW | Big Horn | 25 min |
| Sep 12, 10:23 AM MDT | Special Weather Statement | RIW | Big Horn | 37 min |
| Sep 12, 11:17 AM MDT | Special Weather Statement | BYZ | Sheridan | 28 min |
| Sep 12, 11:35 AM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 25 min |
| Sep 12, 12:11 PM MDT | Special Weather Statement | RIW | Hot Springs | 34 min |
| Sep 12, 12:12 PM MDT | Mesoscale Discussion | SPC | Big Horn, Sheridan, Washakie | 2 hr |
| Sep 12, 12:59 PM MDT | Severe Thunderstorm Watch | SPC | Big Horn, Campbell, Johnson, Sheridan, Washakie | 6 hr |
| Sep 12, 1:03 PM MDT | Special Weather Statement | RIW | Washakie | 27 min |
| Sep 12, 1:23 PM MDT | Special Weather Statement | RIW | Hot Springs | 37 min |
| Sep 12, 1:44 PM MDT | Special Weather Statement | RIW | Washakie | 31 min |
| Sep 12, 2:17 PM MDT | Special Weather Statement | RIW | Sheridan | 28 min |
| Sep 12, 2:38 PM MDT | Special Weather Statement | RIW | Johnson | 37 min |
| Sep 12, 2:50 PM MDT | Special Weather Statement | BYZ | Sheridan | 25 min |
| Sep 12, 2:55 PM MDT | Special Weather Statement | RIW | Sheridan | 35 min |
| Sep 12, 3:00 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 45 min |
| Sep 12, 3:17 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 28 min |
| Sep 12, 4:13 PM MDT | Severe Thunderstorm Warning | BYZ | Sheridan | 32 min |
| Sep 13, 2:01 AM MDT | Fire Weather Watch | RIW | Fremont, Natrona, Sweetwater | 12 hr |
| Sep 13, 2:36 AM MDT | Fire Weather Watch | CYS | Albany, Carbon, Converse, Platte | 12 hr |
| Sep 13, 2:13 PM MDT | Red Flag Warning | RIW | Fremont, Lincoln, Natrona, Sweetwater, Uinta | 29 hr |
| Sep 13, 2:29 PM MDT | Red Flag Warning | CYS | Albany, Carbon, Converse, Goshen, Niobrara, Platte | 30 hr |
| Sep 14, 2:32 PM MDT | Red Flag Warning | UNR | Campbell, Weston | 4 hr |
| Sep 15, 2:55 PM MDT | Special Weather Statement | RIW | 35 min | |
| Sep 15, 3:20 PM MDT | Special Weather Statement | CYS | Laramie | 25 min |
| Sep 15, 3:39 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie, Platte | 36 min |
| Sep 15, 3:40 PM MDT | Special Weather Statement | CYS | Laramie | 35 min |
| Sep 15, 4:00 PM MDT | Mesoscale Discussion | SPC | Goshen, Laramie, Niobrara | 3 hr |
| Sep 15, 4:13 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 32 min |
| Sep 15, 4:15 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 30 min |
| Sep 15, 4:41 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 34 min |
| Sep 15, 4:45 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 30 min |
| Sep 15, 4:46 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 29 min |
| Sep 15, 4:47 PM MDT | Special Weather Statement | RIW | Fremont | 28 min |
| Sep 15, 5:14 PM MDT | Severe Thunderstorm Warning | RIW | Fremont | 31 min |
| Sep 15, 5:15 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 30 min |
| Sep 15, 5:40 PM MDT | Special Weather Statement | RIW | Fremont | 35 min |
| Sep 15, 5:45 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Platte | 45 min |
| Sep 15, 6:29 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 36 min |
| Sep 15, 6:30 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 45 min |
| Sep 15, 7:08 PM MDT | Severe Thunderstorm Warning | CYS | Goshen | 37 min |
| Sep 15, 7:39 PM MDT | Special Weather Statement | CYS | Niobrara | 36 min |
| Sep 15, 7:57 PM MDT | Special Weather Statement | UNR | Weston | 33 min |
| Sep 15, 8:15 PM MDT | Severe Thunderstorm Warning | UNR | Weston | 32 min |
| Sep 15, 8:51 PM MDT | Special Weather Statement | UNR | Crook | 24 min |
| Sep 15, 9:42 PM MDT | Special Weather Statement | UNR | Weston | 33 min |
| Sep 16, 3:02 AM MDT | High Wind Watch | CYS | Albany, Carbon, Converse, Platte | 50 hr |
| Sep 16, 5:46 PM MDT | Special Weather Statement | CYS | Converse, Platte | 44 min |
| Sep 17, 1:14 AM MDT | High Wind Watch | RIW | Fremont, Natrona, Park, Sweetwater | 10 hr |
| Sep 17, 2:16 AM MDT | High Wind Warning | CYS | Albany, Carbon, Converse, Platte | 37 hr |
| Sep 17, 8:51 AM MDT | Special Weather Statement | RIW | Fremont | 24 min |
| Sep 17, 9:14 AM MDT | Special Weather Statement | RIW | Fremont | 31 min |
| Sep 17, 10:16 AM MDT | Special Weather Statement | RIW | Fremont | 29 min |
| Sep 17, 10:33 AM MDT | Mesoscale Discussion | SPC | Albany, Carbon, Converse, Johnson, Natrona, Sheridan | 117 min |
| Sep 17, 11:43 AM MDT | High Wind Warning | RIW | Fremont, Natrona, Park, Sweetwater | 28 hr |
| Sep 17, 12:25 PM MDT | Special Weather Statement | RIW | Fremont | 35 min |
| Sep 17, 1:08 PM MDT | Mesoscale Discussion | SPC | Goshen, Laramie, Niobrara, Platte | 3 hr |
| Sep 17, 2:30 PM MDT | Special Weather Statement | CYS | Platte | 45 min |
| Sep 17, 2:54 PM MDT | Severe Thunderstorm Watch | SPC | Converse, Goshen, Laramie, Niobrara, Platte | 6 hr |
| Sep 17, 3:07 PM MDT | Special Weather Statement | CYS | Converse | 53 min |
| Sep 17, 3:19 PM MDT | Special Weather Statement | RIW | 26 min | |
| Sep 17, 3:51 PM MDT | Special Weather Statement | UNR | Weston | 39 min |
| Sep 17, 4:16 PM MDT | Special Weather Statement | RIW | Fremont | 44 min |
| Sep 17, 4:34 PM MDT | Special Weather Statement | UNR | Weston | 41 min |
| Sep 17, 4:40 PM MDT | Special Weather Statement | UNR | Campbell | 50 min |
| Sep 17, 4:47 PM MDT | Severe Thunderstorm Warning | UNR | Crook, Weston | 58 min |
| Sep 17, 5:00 PM MDT | Special Weather Statement | UNR | Campbell | 30 min |
| Sep 17, 5:52 PM MDT | Special Weather Statement | UNR | Crook | 38 min |
| Sep 18, 5:25 AM MDT | High Wind Warning | UNR | Crook | 4 hr |
| Sep 19, 12:37 PM MDT | Red Flag Warning | CYS | Albany, Carbon, Converse, Goshen, Niobrara, Platte | 31 hr |
| Sep 19, 1:06 PM MDT | Fire Weather Watch | UNR | Campbell, Weston | 13 hr |
| Sep 20, 12:49 AM MDT | Red Flag Warning | RIW | Fremont, Johnson, Natrona, Sweetwater | 18 hr |
| Sep 20, 1:37 AM MDT | Red Flag Warning | UNR | Campbell, Weston | 18 hr |
| Sep 21, 12:27 PM MDT | Frost Advisory | UNR | Campbell, Crook, Weston | 20 hr |
| Sep 21, 1:26 PM MDT | Frost Advisory | CYS | Converse, Niobrara | 19 hr |
| Sep 22, 2:12 AM MDT | Dense Fog Advisory | CYS | Albany, Laramie | 7 hr |
| Sep 24, 12:39 PM MDT | Red Flag Warning | UNR | Campbell, Crook, Weston | 54 hr |
| Sep 24, 1:22 PM MDT | Red Flag Warning | BYZ | Sheridan | 53 hr |
| Sep 25, 2:03 AM MDT | Fire Weather Watch | CYS | Goshen, Platte | 12 hr |
| Sep 25, 1:16 PM MDT | Red Flag Warning | RIW | Fremont, Johnson, Natrona, Sweetwater | 30 hr |
| Sep 25, 1:46 PM MDT | Red Flag Warning | CYS | Albany, Carbon, Converse, Goshen, Laramie, Niobrara and 1 more | 29 hr |
| Sep 27, 1:10 PM MDT | Fire Weather Watch | CYS | Albany, Carbon, Converse, Goshen, Niobrara, Platte | 12 hr |
| Sep 27, 2:18 PM MDT | Fire Weather Watch | RIW | Fremont, Johnson, Lincoln, Natrona, Sublette, Sweetwater | 23 hr |
| Sep 28, 1:32 AM MDT | Fire Weather Watch | UNR | Campbell, Crook, Weston | 24 hr |
| Sep 28, 1:34 AM MDT | Fire Weather Watch | CYS | Albany, Carbon, Converse, Goshen, Laramie, Niobrara and 1 more | 42 hr |
| Sep 28, 1:34 AM MDT | Red Flag Warning | CYS | Albany, Carbon, Converse, Goshen, Niobrara, Platte | 65 hr |
| Sep 28, 1:08 PM MDT | Red Flag Warning | UNR | Campbell, Crook, Weston | 55 hr |
| Sep 28, 1:26 PM MDT | Red Flag Warning | RIW | Big Horn, Fremont, Hot Springs, Johnson, Lincoln, Natrona and 6 more | 54 hr |
| Sep 29, 2:05 AM MDT | Red Flag Warning | BYZ | Sheridan | 18 hr |
| Sep 29, 6:15 PM MDT | Special Weather Statement | CYS | Carbon | 45 min |
| Sep 29, 7:33 PM MDT | Red Flag Warning | CYS | Albany, Carbon, Converse, Goshen, Niobrara, Platte | 23 hr |
| Sep 30, 12:47 AM MDT | Freeze Watch | RIW | Big Horn, Fremont, Hot Springs, Natrona, Park, Washakie | 13 hr |
| Sep 30, 1:11 AM MDT | Fire Weather Watch | CYS | Albany, Carbon, Converse, Laramie, Platte | 25 hr |
| Sep 30, 1:33 PM MDT | Freeze Warning | RIW | Fremont, Natrona, Washakie | 19 hr |
| Sep 30, 1:40 PM MDT | Fire Weather Watch | RIW | Fremont, Hot Springs, Johnson, Natrona, Sweetwater, Washakie | 13 hr |
| Sep 30, 2:05 PM MDT | Freeze Warning | UNR | Campbell, Crook, Weston | 18 hr |
| Sep 30, 2:24 PM MDT | Fire Weather Watch | UNR | Campbell, Crook, Weston | 11 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 | 19 |
| Severe Thunderstorm Watch | 2 |
| Mesoscale Discussion | 8 |
| Special Weather Statement | 85 |
| Cold | |
| Freeze Warning | 2 |
| Freeze Watch | 1 |
| Frost Advisory | 2 |
| Wind and dust | |
| High Wind Warning | 3 |
| High Wind Watch | 2 |
| Fire | |
| Red Flag Warning | 28 |
| Fire Weather Watch | 18 |
| Fog and smoke | |
| Dense Fog Advisory | 1 |
By county
Every county with at least one alert. A county page lists each alert that covered it.
- Platte County37
- Fremont County30
- Goshen County29
- Converse County24
- Albany County21
- Weston County20
- Natrona County20
- Niobrara County19
- Laramie County19
- Campbell County18
- Carbon County17
- Sweetwater County17
- Sheridan County17
- Johnson County15
- Crook County13
- Hot Springs County11
- Washakie County11
- Big Horn County10
- Teton County10
- Sublette County7
- Park County6
- Lincoln County5
- Uinta County4
Nearby
Alerts in force nowTornadoes on recordThe radar archive20232025
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.