Wyoming, 2026

Heavy Snow in Wyoming, February 18 to 19, 2026

February 18 to 19, 2026 · NWS CYS · 1 event in 1 county or zone

Widespread snowfall occurred across much of the CWA behind a particularly strong cold front. Snow reports from 2 to 6 inches were reported in the lower elevations.

Where it happened

Every event with a place to put it; 1 filed by county or forecast zone are drawn at its center, in a lighter ring. Tap one for its entry below.

  • Tornadoes
  • Tropical storms and surge
  • Floods
  • Wind
  • Hail
  • Winter weather
  • Heat and drought
  • Cold
  • Fire, smoke and dust
  • Marine and coastal
  • Other

Open the live radar over this ground

The toll

Deaths
0
Injuries
0
Property damage
None recorded
Crop damage
None recorded
Events
1

Deaths and injuries are direct and indirect together, as the offices filed them. Damage is property and crops in the dollars of the year, not adjusted for inflation, and only where an office estimated it.

What happened

The episode as NWS CYS wrote it up.

Widespread snowfall occurred across much of the CWA behind a particularly strong cold front. Snow reports from 2 to 6 inches were reported in the lower elevations.

What forecasters said that day

The local office's own words before the first event, 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 the first event at Feb 18, 5:00 AM MST, 6 hours earlier.

Area forecast discussion, Feb 18, 5:00 AM MST, 6 hours before
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Hazardous weather outlook, Feb 18, 5:29 AM MST, 5 hours 31 minutes before
Hazardous Weather Outlook
National Weather Service Cheyenne WY
529 AM MST Wed Feb 18 2026

NEZ002-003-019>021-054-055-095-096-WYZ101>111-113>119-191230-
Dawes County-Box Butte County-Scotts Bluff County-Banner County-
Morrill County-Kimball County-Cheyenne County-
Northern Sioux County-Southern Sioux County-
Converse County Lower Elevations-Niobrara County-
North Laramie Range-Ferris/Seminoe/Shirley Mountains-
Shirley Basin-Central Laramie Range and Southwest Platte County-
East Platte County-Goshen County-Central Carbon County-
North Snowy Range Foothills-Southwest Carbon County-
Upper North Platte River Basin-Snowy Range-Laramie Valley-
South Laramie Range-South Laramie Range Foothills-
Central Laramie County-East Laramie County-
529 AM MST Wed Feb 18 2026

This hazardous weather outlook is for portions of panhandle
Nebraska...east central Wyoming...south central Wyoming and
southeast Wyoming.

.DAY ONE...TODAY AND TONIGHT

Snow squalls are possible again west of the Laramie Range
as another potent Pacific storm system moves into the region.

Winter Weather Advisory has been issued for east central Wyoming,
including Douglas and Lusk, tonight through Thursday morning.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

Additional snowfall possible Friday as another Pacific system
moves south of the region. Wind chill temperatures between 5 below
zero and 15 below zero possible Friday and Saturday morning.

.Spotter information statement...

Spotter activation will not be needed.

WYZ112-191230-
Sierra Madre Range-
529 AM MST Wed Feb 18 2026

This hazardous weather outlook is for portions of south central
Wyoming.

.DAY ONE...TODAY AND TONIGHT

Moderate to heavy mountain snow will redevelop early this morning
and continue through Thursday, mainly above 8500 feet. A Winter
Storm Warning remains in effect.

.DAYS TWO THROUGH SEVEN...THURSDAY THROUGH TUESDAY

Additional snowfall possible Friday as another Pacific system
moves south of the region.

.Spotter information statement...

Spotter activation will not be needed.

In the hours before

Local storm report, Feb 18, 10:46 AM MST, 14 minutes before
Preliminary Local Storm Report
National Weather Service Cheyenne WY
1046 AM MST Wed Feb 18 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0334 PM     Snow Squall      1 NNW Arlington         41.60N 106.21W
02/17/2026                   Carbon             WY   Dept of Highways

            Multiple WYDOT observations of one quarter
            mile or less visibility with winds gusting
            over 40 mph. Road closures reported on I-80
            as well.

&&

NB
Local storm report, Feb 18, 10:53 AM MST, 7 minutes before
Preliminary Local Storm Report
National Weather Service Cheyenne WY
1053 AM MST Wed Feb 18 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

0325 PM     Snow Squall      14 NE Centennial        41.43N 105.90W
02/17/2026                   Albany             WY   Dept of Highways

            WYDOT sensors in Western Albany County
            reported visibility around 0.30 miles with
            winds gusting over 40 mph. Highway closures
            along I-80 reported as well.

&&

NB

The radar

The national radar mosaic for the moment the first event began.

Open the radar archive at this moment

Event by event

1 heavy snow. Local standard time, as filed.

Heavy Snow, Converse County Lower Elevations

When
February 18, 11:00 AM MST to February 19, 11:00 AM MST
Where
Converse County Lower Elevations forecast zone
Reported by
Public
Coordinates
42.972, -105.507 (the zone’s center; the record gives no point)

Public report of 5.5 inches of snow near Glenrock, Wyoming. This was the highest report for this zone.

What these are

Heavy Snow
Snowfall reaching the local warning threshold without the other hazards of a winter storm.

After NWS Directive 10-1605, the rules offices file Storm Data by.

The same day elsewhere

More

Every storm in Wyoming in 2026Every state in 2026This day in weather historyWarnings in Wyoming, February 2026

Sources

NOAA National Centers for Environmental Information, Storm Events Database, compiled from the National Weather Service’s monthly Storm Data. Complete through 2026-06; NCEI adds each month about 75 days after it ends and revises past years a few times a year. Rebuilt 2026-10-01. Each event’s entry at NCEI: 1313680.