Alert archive / Wyoming / Winter Storm Warnings in 2026
Winter Storm Warning 3, NWS Riverton, WY
NWS Riverton, WY issued this winter storm warning at Apr 1, 2026, 11:14 AM MDT for 9 counties in Wyoming. It took effect at Apr 1, 2026, 11:00 PM MDT. It was in force for 43 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
- Apr 1, 2026, 11:14 AM MDT (17:14 UTC)
- In effect from
- Apr 1, 2026, 11:00 PM MDT
- Expired
- Apr 3, 2026, 6:00 PM MDT
- In force
- 43 hr
- Issued by
- NWS Riverton, WY
Counties Big Horn County, WY, Fremont County, WY, Johnson County, WY, Lincoln County, WY, Natrona County, WY, Park County, WY, Sublette County, WY, Teton County, WY, Washakie County, WY
The radar
The Riverton/Lander radar (KRIW), 57 km from the middle of the area, began a volume at 17:14 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.
The office that day
Everything else NWS Riverton, WY issued on the same UTC day.
| Issued | Product | Office | Counties | Lasted |
|---|---|---|---|---|
| Apr 1, 1:47 AM MDT | Winter Storm Watch | RIW | Big Horn, Fremont, Johnson, Lincoln, Natrona, Park and 3 more | 9 hr |
Nearby
Winter Storm Warnings in Wyoming, 2026Every winter storm 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.