- Fast-moving low pressure brings strong winds from the Mid-Atlantic to New England and heavy lake effect snow downwind of Lake Ontario.
- Watch out for brief but intense snow squalls and near zero visibility on I-80 in Pennsylvania Saturday.
- Strong winds, heavy blowing snow, and cold temperatures will impact travel across Montana and the High Plains of Wyoming and the Dakotas through early next week.
- Heavy snow this weekend in the Washington and Oregon Cascade Mountains.
For details, check out the latest weather animations.
Here’s the long-range travel & RV weather outlook (updated Wednesday evening)
— WA Cascades; OR northern and central Cascades: Winter Storm Warnings and Advisories above 3000 feet Saturday morning through Sunday evening. 6 inches to 2 feet of snow expected. Wind gusts to 40 mph. I-90 impacted.
— Southeast WA, northeast OR Blue Mountains: Winter Storm Warnings above 3500 feet this evening through Sunday night. 8-18 inches snow expected.
— Most of MT except east-central portion of state; northeast WY; northwest SD: Winter Storm Watches this evening through Monday. Snow, strong winds and quickly falling temperatures spreading west to east. Snow accumulations generally. 2-6 inches in valleys and on the Plains and 6-12 inches in mountain passes. High potential for flash freezing on roads, especially if untreated. I-15, I-90, I-94 impacted.
— Northwest, central and south-central MT; northwest WY: High Wind Warnings through tonight along and east of the Rocky Mountain Front and and Absaroka Mountains in WY: Gusts 60-75 mph. I-15 impacted. I-90 impacted around Livingston and the Beartooth foothills.
— Southeast WY and adjacent western NE: High Wind Warnings midday today through Sunday morning. Gusts 65-75 mph. I-25, I-80 impacted.
— Eastern ND and adjacent northwest MN: A combination of Winter Storm and Wind Chill. Watches and Advisories through Sunday afternoon. One or two inches of new snow, combined with wind gusts to 55 mph and wind chill values as low as -40 deg F create potential white out and dangerous travel conditions. I-29, I-94 impacted.
— MI Eastern Upper Peninsula and western Lower Peninsula: Winter Weather Advisories through this afternoon. An additional 1-2 inches snow possible along with wind gusts 30-40 mph. I-196, I-75, US-31 impacted.
— West-central PA and extreme western MD Allegheny Mountains and Laurel Highlands: Winter Weather Advisories today. Snow accumulation a couple of inches but brief snow squalls will be intense and create zero-visibility conditions on the highways. I-68, I-76 / PA Turnpike, I-80, I-99 impacted.
— Western, central and southern NY; southern CT; NJ; central and eastern PA; MD; DE; western VA and adjacent WV: Wind Advisories through this evening. Gusts 40-50 mph. Major highways impacted include I-70, I-80, I-81, I-84, I-87, I-88, I-90, I-95, PA and NJ Turnpikes, NY Thruway.