Summary:
A Pacific storm moving across the Northwest with a trailing cold front sweeping through the West will continue heavy snow over the Cascades, northern Rockies, and the Sierra into Thursday night. High winds are forecast on the High Plains Thursday into Friday. Heavy lake effect snow will continue downwind of the Great Lakes into Thursday. Impacted Lanes: I-15, US-2, I-90, I-80, I-5
Montana
Winter Storm Warning remains in effect until 5 AM MST Friday morning
- Heavy snow. Additional snow accumulations between 6 and 12 inches, with up to 18 inches above pass level. Winds gusting as high as 35 mph.
- Impacts: Travel could be very difficult. Blowing snow could significantly reduce visibility, especially on US Highway 2 over Marias Pass. The hazardous conditions could impact peak travel times through Friday morning.
Winter Weather Advisory remains in effect until 12 AM MST tonight
- Snow. Additional snow accumulations between 1 and 3 inches.
- Impacts: Plan on slippery road conditions. The hazardous conditions could impact the Thursday morning and evening commutes.
Wind Advisory remains in effect until 8 AM MST this morning
- South to southwest winds gusting 50 to 60 mph.
- Impacts: Strong crosswinds will make travel difficult on Interstate 90 at Livingston and roads along the Beartooth Foothills. Winds this strong can make driving difficult, especially for high-profile vehicles.
Colorado
Winter Strom Warning remains in effect until 5 PM MST Friday evening
- Heavy snow expected. Total snow accumulations of 3 to 7 inches. Winds gusting as high as 70 mph.
- Impacts: Plan on slippery road conditions. Widespread blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning or evening commute. Very strong winds could cause extensive tree damage.
High Wind Warning remains in effect until 5 PM MST Friday evening
- Southwest winds 35 to 45 mph with gusts to 75 mph expected. Isolated gusts to 100 mph will be possible.
- Impacts: Damaging winds will blow down trees and power lines. Widespread power outages are expected. Travel will be difficult, especially for high profile vehicles.
Winter Weather Advisory remains in effect until 5 PM MST Friday evening
- Snow expected. Total snow accumulations of 3 to 6 inches. Winds gusting as high as 70 mph.
- Impacts: Plan on slippery road conditions. Widespread blowing snow could significantly reduce visibility. The hazardous conditions could impact the morning or evening commute. Very strong winds could cause extensive tree damage.
High Wind Watch remains in effect until 3 PM MST Friday afternoon
- Northwest winds 30 to 40 mph with gusts over 60 mph possible.
- Impacts: High winds may move loose debris, damage property and cause power outages. Travel could be difficult especially for high profile vehicles. Blowing dust and perhaps a wall of dust is possible reducing visibilities and making travel hazardous if not dangerous at times.
Additional Winter Storm Warnings include but are not limited to: Oregon, California, Idaho, Wyoming and Colorado
Additional Winter Weather Advisories include but are not limited to: Washington, Oregon, California, Nevada, Idaho, Colorado and New York
Additional Wind Advisories include but are not limited to: California, Nevada, Utah, Arizona, Kansas, Oklahoma, South Dakota, Minnesota, Iowa, New York, Massachusetts, Vermont, New Hampshire and Maine
Additional High Wind Warnings include but are not limited to: Wyoming and South Dakota
Additional High Wind Watches include but are not limited to: Wyoming, New Mexico, Nebraska and Kansas
