Editor’s note: This is the final update for the night. For the latest updates on road closures, road conditions and more, visit CoTrip.org.

8 p.m. All highways and mountain passes have reopened.

6:19 p.m.: Interstate 70 eastbound has reopened to traffic at Exit 205, but westbound I-70 is closed at the Eisenhower-Johnson Memorial Tunnels.

U.S. Highway 6 over Loveland Pass remains closed due to safety concerns, and I-70 eastbound over Vail Pass is closed due to safety concerns.

Snowfall is expected to continue overnight, and roads are expected to get even icier as night falls, according to National Weather Service reports. Up to 8 more inches could fall before 6 a.m., according to a winter weather advisory.

Most of the closures and delays have been related to stalled out vehicles that are not prepared for the icy conditions, according to CoTrip.org reports from throughout the day.

Traction laws are in effect, meaning all passenger vehicles should have snow tires or 4-wheel drive with all-season tires. Commercial vehicles must carry chains. Violations of traction and chain laws lead to fines.

Visit CoTrip.org for the latest closures and highway conditions. Visit Weather.gov/bou for the latest weather outlooks and alerts.

4:45 p.m.: I-70 is closed in both directions between Silverthorne and the tunnels.

3:12 p.m.: Interstate 70 westbound from Exit 201 at Frisco and Exit 198 at Officers Gulch has reopened following a closure due to a crash. Interstate 70 westbound from Exit 216 at Loveland Pass to Exit 203 near Frisco remains closed. Interstate 70 eastbound is also closed in Eagle County between Exit 180 at East Vail and Exit 190 at Vail Pass Summit due to safety concerns.

2:55 p.m.: Interstate 70 westbound is closed at the Eisenhower-Johnson Memorial Tunnel as of 2:49 p.m. Friday, according to the Colorado Department of Transportation.

2:08 p.m.: Interstate 70 westbound is closed from Exit 201 at Frisco and Exit 198 at Officers Gulch. The left lane is closed due to a crash. U.S. Highway 6 at Loveland Pass remains closed.

12:10 p.m.: Interstate 70 is open in both directions through Summit County. Hoosier Pass reopened, but Loveland Pass remains closed.

11:25 a.m.: Interstate 70 eastbound is closed at Silverthorne due to safety concerns, according to the Colorado Department of Transportation. The closure extends past the tunnels as well due to a crash.

Original story: A winter storm has led to closures on Interstate 70 and Summit County mountain passes Friday morning.

I-70 westbound was closed between Denver and the Eisenhower-Johnson Memorial Tunnels early Friday due to safety concerns, according to COTrip.org. The interstate reopened shortly before 9 a.m.

Colorado Highway 9 at Hoosier Pass between Breckenridge and Alma is closed in both directions due to a stalled vehicle.

U.S. Highway 6 at Loveland Pass is also closed due to safety concerns.

The National Weather Service has issued a hazardous weather outlook for Summit and Grand counties and parts of Clear Creek and Park counties. Snow accumulations will range between 4 and 12 inches in the mountains, creating snow-packed and slippery driving conditions, according to the outlook. 

Snow is expected to continue throughout Friday and into Saturday morning.