Travel & RV Weather Forecast Saturday 10 December

Major winter storm this weekend with high winds and heavy mountain snows for the West Coast and inter-Mountain West.
This storm will impact much of the central and southern U.S. early next week with winter weather (north) and severe thunderstorms (south).
Risk of isolated severe thunderstorms today over eastern and central Texas and western Louisiana.
** New ** Complete list of phone numbers and websites for road conditions for all 50 states. Link at end of forecast.

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Pacific:

— Most of WA from the Cascades and eastward; northern ID: Winter Storm Warnings and Advisories today and tonight. Additional snow accumulations will range from a couple of inches in the southeast portion of the state, to 4-10 inches elsewhere, and 10 inches or more in the Cascades. I-82, I-90, US-395 impacted.

— Southeast WA; north-central and northeast OR: High Wind Warnings and Advisories today in the Blue Mountains. Wind gusts 55-60 mph. I-84 impacted.

— OR Cascades; central and northeast OR: Winter Storm Warnings and Advisories through Sunday morning. In general, 2-6 inches snow in lower elevations and 6-12 inches or more in higher elevations. Winds may gust to 35 mph in exposed areas. I-84, US-395 impacted.

— South-central OR: Wind Advisories today. Gusts to 50 mph.

— Northern CA above 3000 feet. Winter Storm Warnings continue today. Total snow accumulations 6-10 inches and wind gusts to 65 mph in Shasta Valley. I-5 impacted.

— CA Sierra Nevada: Winter Storm Warnings above 4000 feet continue through Sunday night. Total snow accumulations of 2-5 feet will be common. Wind gusts 60-80 mph. Snow levels drop below 3000 feet on Sunday. I-80, US-50 highly impacted.

— Most of CA west of I-5 and south of Mendocino; Sacramento Valley: Wind Advisories today. Gusts 30-55 mph. I-5, I-80, US-101, CA-1, CA-99 impacted.

— Southern CA Los Angeles, Ventura and Santa Barbara County Mountains: Winter Storm Watches above 3500 feet late Sunday night through Monday afternoon. Snow accumulations 1-3 inches above 3500 feet and 3-8 inches above 5000 feet. I-5, I-15 potentially impacted.

— Southern CA Mountains north to San Luis Obispo County and northwest of Los Angeles: High Wind Warnings this afternoon and tonight. Gusts to 65 mph. I-5, US-101 impacted.

— Southern CA Los Angeles Mountains: Flash Flood Watch over burn scars in the mountains late tonight through Sunday afternoon. I-10 potentially impacted.

— Southern CA interior deserts, especially north of I-15: Wind Advisories this afternoon through midday Sunday. Gusts 45-55 mph. I-15, I-40, CA-58 impacted.

— Southern CA San Diego County mountains and deserts: Wind Advisories Sunday and Sunday night. Gusts 35-45 mph. I-8, I-10 impacted.

— Western NV north of I-15, along the CA north to the OR border: Wind Advisories today and tonight. Gusts 50-65 mph. I-80, US-50, US-95 impacted.

— Most of NV north of I-15 except west-central part of state: Winter Storm Warnings (central and east-central) and Advisories this evening through Sunday. Accumulations will range from a couple of inches in the high plains in the northern part of the state to 8-15 inches in the mountains to the east. Wind gusts 30-60 mph. I-80, US-50 impacted.

Mountain:

— Central and west-central ID, north of I-84 and west of I-15: Winter Storm Warnings through midday Sunday. 7-14 inches snow at lower elevations and 1-2 feet or more in the mountains.

— Southwest UT; northwest, central, east-central and southeast AZ: Winter Storm Watches Sunday and Monday above 5000 feet. Accumulations will range from 10-20 inches over the southwest UT mountains to 2-8 inches in AZ. Wind gusts to 40 mph. I-15, I-17, I-40 impacted.

— Eastern MT; northeast WY: Winter Storm Watches Monday evening through Wednesday afternoon. 6-12 inches snow possible. I-90, I-94 impacted.

Central:

— ND and adjacent MN; western and central SD; northwest and north-central NE: Winter Storm Watches late Monday night through late Wednesday night. Total snow accumulations of 6-14 inches possible with wind gusts to 40 mph. I-29, I-90, I-94 impacted.

— Eastern ND and northern MN: Winter Weather Advisories through mid-morning. Sleet and freezing rain will produce a light glad this morning. I-29, I-35, I-94 impacted.

— Central and eastern TX; western LA: Isolated severe thunderstorms through tonight are possible. I-10, I-20, I-30, I-35, I-45, I-49 potentially impacted.

— Dense Fog this morning across parts of IA, the Central and Southern Plains, the Mid-South, Deep South and Gulf Coast. Most of the fog will lift by mid-morning.

Eastern:

— NY Catskill Mountains, bounded by I-81 to the west and NY Thruway to the east and north: Winter Weather Advisory early Sunday morning through Monday morning. Mixture of rain and snow in the valleys and snow at higher elevations. 3-5 inches snow expected except 6 inches at higher elevations. I-88 impacted.

— South-central PA; far-west MD; east-central WV: Winter Weather Advisories through mid-morning today for patchy light snow, sleet and freezing rain. Little if any accumulation. I-68, I-70/76/PA Turnpike, I-99, US-219, US-220 slightly impacted.

— Southern IN; KY; TN; much of northern FL: Dense Fog Advisories this morning.

** New: Access to real-time road information! **

Phone numbers and websites for road conditions in all 50 states. Courtesy of the Cheyenne WY Weather Forecast Office

Severe Weather and Tropical Watches and Warnings

— See https://rvweather.com/warnings-watches-and-advisories/#SPC_Tornado_Watch for the latest Tornado and Severe Thunderstorm WATCHES

— See https://rvweather.com/warnings-watches-and-advisories/#NHC_Hurricane_Advisory for the latest Tropical Cyclone WARNINGS and information.

— See https://rvweather.com/warnings-watches-and-advisories/#NWS_Tornado_Warning for the latest Tornado, Severe Thunderstorm, and Flash Flood WARNINGS.

Wind gusts midday Saturday 10 December
Severe thunderstorm risk Saturday and Saturday night 10 December
Freezing Rain (ice) accumulations through Saturday evening 10 December
Likelihood of winter weather impacting RV travel Saturday or Saturday night 10 December
Wind gusts midday Sunday 11 December
Likelihood of winter weather impacting RV travel Sunday or Sunday night 11 December
Likelihood of winter weather impacting RV travel Monday or Monday night 12 December
Total snowfall amounts through Monday night 12 December
Total precipitation amounts through Monday night 12 December