Alert archive / Wyoming

Winter Storm Warnings in Wyoming

986 winter storm warnings since 1986. An alert counts here when it covered any part of the state, so the counties below add up to more than the state. The archive of winter storm warnings reaches back to 2005.

Winter Storm Warnings by county

Each county as a circle sized by its count since 1986. Tap one for its archive.

Winter Storm Warnings
986
Busiest year
201763 winter storm warnings
Average year
45over 22 years on file

Over time

By year

Before late 2005 the archive holds only tornado, severe thunderstorm, flash flood and marine warnings, and from 1997 SPC's watches, so the jump that year is the archive widening, not the weather.

By month of the year

By county

Every county with at least one alert. A county page lists each alert that covered it.

The latest winter storm warnings

The most recent on file, newest first.

IssuedProductOfficeCountiesLasted
May 17, 1:50 AM MDTWinter Storm WarningCYSAlbany, Carbon, Converse, Laramie, Platte40 hr
May 16, 11:52 AM MDTWinter Storm WarningRIWFremont, Natrona, Sublette, Sweetwater54 hr
May 4, 3:15 AM MDTWinter Storm WarningCYSAlbany, Carbon, Laramie54 hr
Apr 15, 12:40 AM MDTWinter Storm WarningRIWFremont, Hot Springs, Lincoln, Park, Sublette, Teton53 hr
Apr 2, 11:03 AM MDTWinter Storm WarningUNRCrook, Weston40 hr
Apr 2, 12:09 AM MDTWinter Storm WarningCYSAlbany, Carbon42 hr
Apr 1, 1:45 PM MDTWinter Storm WarningBYZSheridan56 hr
Apr 1, 11:14 AM MDTWinter Storm WarningRIWBig Horn, Fremont, Johnson, Lincoln, Natrona, Park and 3 more55 hr
Mar 13, 12:25 PM MDTWinter Storm WarningUNRCrook, Weston48 hr
Mar 11, 1:47 PM MDTWinter Storm WarningBYZSheridan4 days
Mar 5, 1:25 PM MSTWinter Storm WarningCYSAlbany, Laramie32 hr
Feb 25, 12:34 AM MSTWinter Storm WarningCYSAlbany, Carbon16 hr

Nearby

Alerts in force nowTornadoes on recordThe radar archive

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.