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- Significant snowfall will continue for portions of West Coast mountain ranges and the Inter-mountain West with record cold for parts of the West Coast.
- Snow and dangerously cold wind chills are expected in the Northern Plains and Upper Midwest tonight.
- Some freezing rain and sleet today for portions of Pennsylvania, New York and southern New England.
- Near record warmth continues across the South.
- Chance for some severe weather across portions of the Deep South on Wednesday.
For details, check out the latest weather animations.
Here’s the long-range travel & RV weather outlook (updated last evening)
— Northwest WA far northern Puget Sound: High Wind Warning through mid-morning. Gusts to 60 mph. I-5 impacted.
— Western and southern OR: Winter Weather Advisories this afternoon through Tuesday. Snow levels down to the coast. Several inches of snow expected. I-5, US-101 impacted.
— Northwest and far-northern CA: Winter Storm Warnings and Advisories through this morning above 500 feet. Several additional inches snow expected. I-5, US-101 impacted.
— CA Sierra Nevada Range: Winter Storm Warnings through this evening above 1000 feet. Additional accumulations of 3-15 inches likely. I-80, US-50, US-88 impacted.
— Southern CA Mountains: Winter Storm through this evening. Snow accumulations up to 10 inches and wind gusts to 50 mph possible. I-5 (Grapevine), I-8, I-15 potentially impacted.
— Central CA San Luis Obispo Country: Wind Advisory today. Gusts 40-50 mph. US-101 impacted.
— Southern CA deserts, interior and mountains; southern NV: High Wind Warnings (mountains) and Advisories today and tonight. Gusts 50-60 mph. I-8, I-10, I-15, I-40, CA-58 impacted.
— Southern ID; far-western WY; northern and eastern NV; northeast, central, southwest UT; northwest, central and east-central AZ: Winter Storm Warnings (southwest ID, northeast UT) and Advisories today and tonight. Several inches of additional snow and winds gusting 35-45 mph. I-15, I-40, I-70, I-80, I-84 impacted.
— MT east of the Rockies: Wind chill warnings and advisories through Tuesday morning. Wind chill temperatures as low as -35 to -45 deg F.
— Portions of western CO: Winter Storm Warnings through Tuesday morning. Up to 6-12 additional inches of snow likely. I-70 impacted.
— North-central NM: Winter Storm Watches this evening through Wednesday above 7500 feet. 6-10 inches of snow possible.
— ND, northern SD, northern and central MN, northern WI, MI Upper Peninsula: Blizzard Warnings (eastern ND), Winter Storm Warnings and Advisories through this evening. A little more snow expected but main hazard is severe blowing and drifting snow. Snow drifts may exceed 5 feet in parts of ND. Some freezing precipitation possible over WI. I-29, I-35, I-94 highly impacted.
— Portions of south-central TX: Dense Fog Advisory through late this morning. I-10, I-35 impacted.
— Southern MI: Winter Weather Advisory through midmorning. Up to a couple of inches of snow, along with some freezing rain. I-69, I-75, I-94 impacted.
— Much of PA; southern and eastern NY and adjacent northern NJ; most of CT, western and central MA and adjacent northern RI: Winter Weather Advisories late this morning through tonight. An inch or two of snow but primary hazard will be freezing rain and slick roads if untreated. I-70/76/PA Turnpike, I-79, I-80, I-81, I-84, I-87, I-88, I-90/Mass Pike / NY Thruway, I-99 all impacted.
— Southwestern SC, GA, eastern and southern AL; northern and central FL: Dense Fog Advisories through late this morning. I-10, I-16, I-20, I-26, I-65, I-75, I-85, I-95 impacted.
National Weather Service Warnings Watches and Advisories issued Monday morning 27 December Monday 27 December Wind Gusts Monday afternoon 27 December Snowfall accumulation through Monday evening 27 December High temperatures Monday 27 December Low temperatures Tuesday morning 28 December Tuesday 28 December Wind Gusts Tuesday afternoon 28 December Total snowfall accumulation through Tuesday evening 28 December Total precipitation amounts through Tuesday evening 28 December High temperatures Tuesday 28 December Low temperatures Wednesday morning 29 December Wednesday 29 December Wind Gusts Wednesday afternoon 29 December High temperatures Wednesday 29 December
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