Travel & RV Weather Forecast a.m. Sunday 20 February

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  • A winter storm will bring heavy and/or blowing snow to the Cascades and the northern/central Rockies into the Northern Plains today, with rain along the Northwest coast and in the valleys. This storm will spread wintry hazards into the Great Lakes by Tuesday.
  • Strong winds for much of Southern and southeast California Monday and Tuesday.
  • Chance of severe thunderstorms from Northeast Texas, southeast Oklahoma, and much of Arkansas, Monday evening and Monday night.

For details, check out the latest weather animations.

Here’s the long-range travel & RV weather outlook (to be updated this evening)

— WA Cascades; OR northern and central Cascades: Winter Storm Warnings and Advisories above 3000 feet through this afternoon. An additional 4-10 inches snow expected. I-90 impacted.

— Coastal central and northern OR: Winter Weather Advisories this evening through Monday evening above 1500 feet. 3-6 inches of snow expected. US-101 impacted.

— Southeast WA, northeast OR Blue Mountains: Winter Storm Warnings above 3500 feet through Sunday night. Additional accumulations of 9-16 inches snow expected.

— Southeast CA Mojave Desert; southern CA mountain ranges: Wind Advisories (Mojave Desert) and High Wind Watches (Mountains and Passes) Monday morning through Tuesday evening. Wind gusts 55-75 mph. I-5, I-8, I-10, I-15, I-40, CA-58 potentially impacted.

Northern ID; MT; WY except southwest corner of state; western CO mountains; northern and southern ND; northern and western SD; central and northwest MN; northwest WI: A combination of Winter Storm Warnings (much of MT), Winter Storm Watches (CO, Dakotas, MN, WI), Blizzard Warnings (northeast ND) Winter Weather Advisories, and High Wind Warnings (northwest and southeast WY) through Tuesday as the storm currently in the Pacific Northwest and Northern Rockies expands eastward into the Northern Plains and Upper Midwest, and southward into the Central Rockies. Snow accumulations could exceed 6 inches over western CO, northwest WY, southeast MT, the ND/SD border, much of MN and northern WI. Snow accumulations may reach a foot by Tuesday night over central MN and northern WI. Wind gusts could reach 80 mph over southeast WY. I-15, I-25, I-29, I-30, I-80, I-90, I-94 all impacted.

— Southeast WI, southwest MI: Wind Advisories today. Gusts. To 45 mph. I-39, I-43, I-69, I-90, I-94, I-196 impacted.

— Northeast TX, southeast OK, most of AR, western TN, northwest MS: Severe thunderstorms associated with a tornado threat, and potential for large hail and wind damage, possible from Monday afternoon into Monday night.

— Northwest LA, northern MS, southwest TN, northwest AL: Severe thunderstorms associated with an isolated tornado threat, wind damage and hail will be possible Tuesday afternoon and evening.

— Western NY along the shores of Lakes Erie and Ontario: Wind Advisories today. Gusts. 50-55 mph. I-81, I-90 / NY Thruway impacted.

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