- Low pressure over Ohio moves northeast and brings significant snow to northern New York and much of New England later today and tonight.
- Strong storm moves into Washington bringing rain and mountain snows to the Northwest and Northern Rockies.
- Frontal system brings a chance of severe weather to the southeast Texas Coast and heavy rains to southern Louisiana this afternoon and evening.
For details, check out the latest weather animations.
Here’s the long-range travel & RV weather outlook (updated Wednesday 15 December)
— WA Pacific Coast, coastal Juan de Luca and coastal Puget Sound: High Wind Warnings and Advisories through noon today. Gusts 50-60 mph. I-5 impacted.
— WA Olympic Mountains, Cascades, northern and eastern WA; northern ID; northwest MT; northern OR Cascades: Winter Storm Warnings and Advisories through Monday. Snow accumulations will range from 3-6 inches in the valley to 10-25 inches in the mountains. I-90 impacted.
— Southeast WA, northeast OR: Wind Advisory through Sunday morning along the Blue Mountains. Gusts to 55 mph. I-84 impacted.
— Central CA Coast: Wind Advisory this morning for the Santa Lucia mountains. Gusts to 40 mph. US-101, CA-1 impacted.
— Southern CA hills and mountains north and northwest of Los Angeles: Wind Advisory through this afternoon. Gusts 45-55 mph. I-5, I-210, I-405, US-101 impacted.
— Northwest MT Rocky Mountain Front: High Wind Warning through Sunday morning. Gusts to 80 mph.
— South-central MT Livingston area and Beartooth Foothills. Winter Weather Advisory through Sunday evening for blowing snow and gusts 55-70 mph. I-90 highly impacted.
— West-central UT: Dense Fog Advisory through midday today. US-50 impacted.
— Southeast and east-central WY: High Wind Warnings and Watches through Sunday evening. Gusts to 75 mph. I-25, I-80 impacted.
— Portions of southern MO: Flood Warnings this morning for runoff from overnight heavy rains.
— Southeast coastal TX and adjacent southwest LA: Slight right of severe thunderstorms this afternoon and evening. Damaging winds and severe hail are the main threats. I-10, I-45 potentially impacted.
— Coastal and southeast LA; coastal MS and AL: Dense Fog Advisories through late this morning. I-10, I-12, I-49, I-55, I-59 impacted.
— Most of NY east of Buffalo and north of Poughkeepsie and adjacent northern PA; northwest CT; western and central MA; VT; NH; southern and central ME: Winter Storm Warnings (Adirondack Mountains, VT, NH, western ME) and Advisories through Sunday morning. Accumulations range from 4-7 inches of snow in the Warning regions to 1-2 inches of snow, mixed with sleet and freezing rain in the southern portions of the advisory areas. Major highways impacted include I-81, I-87, I-88, I-89, I-90, I-93, I-93, I-95, including the NY Thruway, Mass Pike and Maine Turnpike.
— Southern VA, NC, SC, central and eastern GA: Dense Fog Advisories through late this morning. Major highways impacted include I-20, I-26, I-40, I-77, I-85, I-95.
National Weather Service Warnings Watches and Advisories issued Saturday morning 18 December Saturday 18 December Wind gusts Saturday afternoon 18 December Snowfall accumulation through Saturday evening 18 December High temperatures Saturday 18 December Low temperatures Sunday morning 19 December Sunday 19 December Wind Gusts Sunday afternoon 19 December Total snow accumulation through Sunday evening 19 December Total precipitation amount through Sunday evening 19 December High temperatures Sunday 19 December Monday 20 December Wind gusts Monday afternoon 20 December High temperatures Monday 20 December