Travel & RV Weather Forecast a.m. Thursday 30 December 2021

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  • Major winter storm developing today over the Southwest will move into the Central US by Saturday morning.
  • Severe weather threats from north Texas to the Tennessee Valley on Friday and much of the mid-South and Southeast on Saturday.
  • Heavy snows through Friday over the Inter-Mountain West, Central and Southern Rockies, and high terrain of the Southwest.
  • Arctic-like windchills persist across the far Northern High Plains.

For details, check out the latest weather animations.

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

— Western WA, northwest OR: Winter Weather Advisories through this afternoon. Snow accumulations up to 4 inches. I-5, I-90, US-101 impacted.

— Portions of southwest OR above 2000 feet: Winter Weather Advisory through Friday morning. Snow accumulation 2-6 inches. I-5 just west of this region.

— Southeast WA; northeast OR; northern and western ID and adjacent far-west MT; northeast NV: Winter Storm Warnings and Advisories through Friday morning. Snow accumulations generally 3-8 inches, except higher amounts in mountains. I-84, I-90 impacted. I-80 in NV just to south of warned region.

— Southern NV, north of Las Vegas: Winter Storm Warnings and Advisories through this afternoon. Total accumulations 5-10 inches on the plateaus, higher amounts in the mountains. I-15 impacted near the NV/AZ/UT border.

— Southern CA Santa Barbara, Ventura and Los Angeles County Mountains: Winter Storm Warnings through this afternoon. Snow accumulations 1-2 feet above 5000 ft and winds gusting to 40 mph. I-5 (Grapevine) impacted.

— Southern CA Greater Los Angeles region: Flood Watch through this afternoon. I-5, I-10, I-15, US-101 potentially impacted.

— Central and south-central MT: Winter Weather Advisories through this afternoon for blowing snow and wind gusts 50-60 mph. I-90 impacted.

— Far western WY and adjacent eastern ID: Winter Weather Advisories through Friday morning. Snow accumulations 7-14 inches with higher amounts in higher terrain. Wind gusts 35-45 mph. US-89 impacted.

— Northeast, central, southwest UT; northwest AZ and higher terrain of northeast and north-central AZ: Winter Weather Advisories through Saturday morning. Snow accumulations from 3-6 inches in valleys and plateaus to 1-2 feet in the UT mountains. Snow levels at 6000 feet in AZ. I-15, I-17, I-40, I-70, I-80 impacted.

— Northwest WY Wind River Range: High Wind Warning today. Gusts to 80 mph.

— Southeast WY, adjacent north-central CO: High Wind Warnings through tonight. Gusts. 70-80 mph. I-25, I-70 west of Denver, I-80 impacted.

— North-central, central and southwest CO: Winter Storm Warnings through early Saturday morning for 1-2 feet of snow and gusts to 50 mph. I-70 west of Denver and I-25 north of Denver impacted.

— North-central and western NM; high terrain of eastern and east-central AZ: Winter Storm Watches above 6000 feet Friday morning through Saturday morning. Snow accumulations generally 3-11 inches, but much high at elevations above 7500 feet. Wind gusts to 40 mph. I-25, I-40 impacted.

— Northern MT east of the Rockies; northern ND: Wind Chill Warnings through Saturday morning. Wind chill values as low as -40 to -50 deg F.

— Southeast NE, central and eastern KS and adjacent NE; central and southern IA; northern and central MO; west-central IL: Winter Storm Watches late Friday night through Saturday night. Snow accumulations 2-8 inches, some mixed with freezing rain; wind gusts to 35 mph. I-35, I-70, I-80 impacted.

— Southern IL, central and western KY; southern MO; western TN; AR; eastern OK; northwest MS; northwest LA; eastern TX; coastal TX, LA, MS, AL: Extensive Dense Fog through late this morning.

— Northeast TX; AR; western TN: Severe thunderstorm capable of producing tornadoes are possible New Year’s Eve into the early morning hours of Saturday.

— Central AL: Flood Watch today. I-20, I-59, I-65 potentially impacted.

— Central and southern FL: Dense Fog Advisory through midmorning. I-4, I-75, I-95 impacted.

— Southern Coastal ME: Winter Weather Advisory through midmorning for a mixture of light snow and freezing rain. I-95 impacted.

Click here for the latest short-term weather forecast!

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