Alert archive / Wyoming / Flash Flood Warnings in 2026
Flash Flood Warning 15, NWS Cheyenne, WY
NWS Cheyenne, WY issued this flash flood warning at Jul 29, 2026, 4:20 PM MDT for Laramie County, Wyoming. It was in force for 3 hr. No storm report in the archive falls inside the area while it was in force.
The area
The counties it named.
The facts
- Issued
- Jul 29, 2026, 4:20 PM MDT (22:20 UTC)
- Expired
- Jul 29, 2026, 7:30 PM MDT
- In force
- 3 hr
- Issued by
- NWS Cheyenne, WY
- Area
- Storm-based polygon
- Flood severity
- None
County Laramie County, WY
The radar
The Cheyenne radar (KCYS), 20 km from the middle of the area, began a volume at 22:20 UTC, the scan nearest the moment this went out.
Open the radar archive at this moment
The archived warnings, watches and discussions in force at that minute are drawn over the scan, this one among them.
What forecasters said that day
The local office's own words before this flash flood warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
NWS Cheyenne, WY wrote its last area forecast discussion before this flash flood warning went out at Jul 28, 5:42 PM MDT, 22 hours 38 minutes earlier.
Area forecast discussion, Jul 28, 5:42 PM MDT, 22 hours 38 minutes before
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</html>The office that day
Everything else NWS Cheyenne, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Jul 28, 6:56 PM MDT | Severe Thunderstorm Warning | CYS | Laramie | 34 min |
| Jul 28, 7:06 PM MDT | Special Weather Statement | CYS | Laramie | 24 min |
| Jul 28, 7:07 PM MDT | Special Weather Statement | CYS | Albany | 38 min |
| Jul 28, 7:15 PM MDT | Severe Thunderstorm Warning | CYS | Goshen, Laramie | 18 min |
| Jul 28, 7:51 PM MDT | Areal Flood Advisory | CYS | Laramie | 3 hr |
| Jul 28, 8:01 PM MDT | Severe Thunderstorm Warning | CYS | Platte | 29 min |
| Jul 28, 8:34 PM MDT | Special Weather Statement | CYS | Converse | 41 min |
| Jul 28, 9:07 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Niobrara | 23 min |
| Jul 29, 12:53 PM MDT | Special Weather Statement | CYS | Laramie | 37 min |
| Jul 29, 3:00 PM MDT | Special Weather Statement | CYS | Platte | 30 min |
| Jul 29, 3:49 PM MDT | Severe Thunderstorm Warning | CYS | Converse, Goshen, Niobrara, Platte | 41 min |
| Jul 29, 4:17 PM MDT | Special Weather Statement | CYS | Laramie | 28 min |
| Jul 28, 6:28 PM MDT | Special Weather Statement | CYS | Cheyenne | 32 min |
| Jul 28, 6:31 PM MDT | Special Weather Statement | CYS | Kimball | 29 min |
| Jul 28, 7:13 PM MDT | Special Weather Statement | CYS | Sioux | 32 min |
| Jul 28, 7:30 PM MDT | Special Weather Statement | CYS | Kimball | 30 min |
| Jul 29, 4:40 PM MDT | Special Weather Statement | CYS | Sioux | 35 min |
| Jul 29, 5:52 PM MDT | Special Weather Statement | CYS | Cheyenne | 23 min |
Nearby
Flash Flood Warnings in Wyoming, 2026Every flash flood warning in 2026
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; radar from the NEXRAD Level II archive.