Stick to the Facts
Add Nbsla.ca as a Preferred Source on Google to see more of our stories in your search results.
A powerful winter storm warning is creating life-threatening travel conditions across Wyoming as heavy snow, powerful wind gusts, and dangerous visibility continue hammering Interstate 80. The winter storm warning remains active until 6 PM MDT Monday across multiple Wyoming mountain ranges and highway corridors, with the National Weather Service warning that travel may become “very difficult to impossible” in some areas.
The biggest concern tonight is the combination of up to 20 inches of snow, 60 MPH wind gusts, blowing snow, and the growing risk of widespread road closures along I-80. Drivers traveling through southern Wyoming, especially between Rawlins, Laramie, Cheyenne, Elk Mountain, and Arlington, are being urged to delay travel immediately as this winter storm warning intensifies.
Winter Storm Warning Creates Dangerous Conditions Across Wyoming
The late-season winter storm warning is now entering its most dangerous phase. Heavy snow continues falling across mountain regions while intense winds are creating whiteout conditions along major highway corridors. The National Weather Service offices in Cheyenne and Riverton have both issued serious warnings about rapidly worsening travel conditions.
Forecasters say the winter storm warning could bring:
- Up to 20 inches of snow in the Snowy Range
- Wind gusts reaching 50 to 60 MPH
- Near-zero visibility in blowing snow
- Dangerous black ice conditions
- Possible power outages from heavy wet snow
- Falling tree limbs and downed power lines
- Major I-80 travel disruptions and closures
The winter storm warning affects several critical transportation routes in Wyoming, but Interstate 80 remains the center of concern as strong crosswinds combine with wet snow to create extremely hazardous driving conditions.
I-80 Facing Major Travel Problems Tonight
Interstate 80 is experiencing some of the worst impacts from this winter storm warning. Multiple stretches of I-80 are already under high-profile vehicle restrictions due to what WYDOT describes as an “extreme blow over risk.”
Strong crosswinds near Arlington, Elk Mountain, Laramie, and Cheyenne are especially dangerous for:
- RVs
- Box trucks
- Campers
- Semi-trailers
- Tall SUVs
- Delivery trucks
The winter storm warning along I-80 stretches from Wamsutter through Rawlins and east toward Cheyenne. Heavy snow combined with wind gusts approaching 60 MPH may force additional closures overnight as visibility continues dropping below one-quarter mile in some areas.
Travel along the I-80 Summit between Cheyenne and Laramie is becoming increasingly dangerous as snow bands intensify across the South Laramie Range.
Snow Totals Continue Rising Under Winter Storm Warning
The heaviest snowfall totals from this winter storm warning are expected in higher elevations and mountain passes throughout southern Wyoming.
Snowy Range and North Laramie Range
Areas near Albany and Centennial could receive between 10 and 20 inches of snow before the winter storm warning expires. Winds between 30 and 40 MPH will create significant drifting snow and dangerous visibility issues.
Sierra Madre Range
South of Rawlins, the Sierra Madre Range may see 8 to 16 inches of snow with wind gusts near 50 MPH. The National Weather Service warns travel conditions here may become “very difficult to impossible.”
South Laramie Range and I-80 Summit
The I-80 corridor between Cheyenne and Laramie is forecast to receive 7 to 14 inches of snow. Strong crosswinds and heavy snow are expected to create some of the most dangerous highway conditions in the region.
Elk Mountain and Arlington
These areas along I-80 remain under one of the most serious winter storm warning threats, with 6 to 12 inches of snow and wind gusts between 35 and 45 MPH expected through tonight.
Rawlins and Central Carbon County
Rawlins could receive between 5 and 10 inches of snow while visibility may drop below one-quarter mile during the strongest snow squalls.
Blizzard-Like Conditions Expected on Major Wyoming Highways
The winter storm warning is affecting much more than just Interstate 80. Several major highways across Wyoming are seeing rapidly deteriorating road conditions tonight.
Highway 130
The route through the Snowy Range from Centennial to Saratoga sits directly inside the highest snowfall zone. Temporary closures are possible as snowfall intensifies.
US 287
Travel between Laramie and Rawlins remains dangerous due to drifting snow and reduced visibility.
Highway 70 Over Battle Pass
Conditions across the Sierra Madre Range are becoming extremely dangerous. Officials strongly advise against unnecessary travel through this area tonight.
I-25
Interstate 25 between Cheyenne and Casper also faces snow, blowing snow, and dangerous crosswinds from the winter storm warning system.
Togwotee Pass and Union Pass
Additional winter storm warning alerts remain active in western Wyoming mountain passes where heavy snow continues falling.
Power Outage Risk Increasing Tonight
One of the most serious concerns from this winter storm warning is the risk of scattered power outages. Heavy wet snow sticking to trees and power lines, combined with strong wind gusts, creates ideal conditions for infrastructure damage.
Officials warn that areas along I-80 between Rawlins and Cheyenne face the highest power outage threat tonight. Residents are encouraged to:
- Charge mobile devices
- Prepare emergency supplies
- Have backup heating options ready
- Avoid unnecessary travel
- Monitor weather alerts closely
The combination of wet snow and strong winds can quickly bring down branches and power lines, especially since many trees still have leaves this late in spring.
Drivers Warned About Black Ice and Refreeze Conditions
Even after the winter storm warning expires, dangerous driving conditions may continue into Tuesday morning. Temperatures are expected to plunge overnight, with some Wyoming communities dropping as low as 21°F.
Areas including Wheatland, Douglas, Glenrock, Guernsey, and Torrington are under freeze warnings. Wet pavement from melting snow could quickly refreeze overnight and create widespread black ice during the Tuesday morning commute.
Officials say drivers should remain extremely cautious even after snowfall begins tapering off.
Tire Safety Becoming Critical During Winter Storm Warning
Transportation officials stress that proper tire preparation is essential during this winter storm warning event. Drivers crossing high elevations above 8,000 feet face rapidly changing road conditions and freezing temperatures.
Three-Peak Mountain Snowflake tires remain the recommended standard for winter mountain driving. Tire pressure may also drop significantly as vehicles climb toward higher elevations like the I-80 Summit near 8,640 feet.
Cold temperatures combined with elevation changes can reduce tire pressure by several PSI, impacting traction and handling during snowstorms.
Conditions Expected to Improve Tuesday
The winter storm warning is currently expected to expire at 6 PM MDT Monday, though lingering travel impacts may continue overnight. Weather conditions across Wyoming should gradually improve by Tuesday morning as snowfall decreases and winds weaken.
However, road crews may continue dealing with drifting snow, icy pavement, and cleanup operations well after the warning officially ends.
Drivers planning travel across Wyoming tonight are strongly encouraged to check highway conditions before leaving and avoid unnecessary trips through affected winter storm warning areas, especially along Interstate 80.