Travel & RV Weather Forecast Saturday 31 December

Heavy rain, strong winds and high elevation snow for California, the Great Basin and the Southwest this weekend.
Snowstorm moves into the the Central and Northern Plains starting Sunday night.
Increasing tornado threat over eastern Texas, Arkansas and Louisiana Monday and Monday night.

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Pacific:

— WA northern Cascades: Winter Weather Advisory continues through this morning. 4-6 inches additional snow accumulation likely.

— Central WA Kittitas Valley and east-central WA: Freezing Fog and Dense Fog Advisories through midday. I-82, I-90, US-395 impacted.

— Most of northern and central CA; adjacent western and northwest NV: Flood Advisories and Watches continue through Sunday morning from a combination of excessive rainfall and snow melt. Major highways potentially impacted include I-5, I-80, US-101, US-395, CA-1, CA-99.

— West-central NV: Wind Advisories through this afternoon. Gusts 55-75 mph. US-95 impacted.

— Central CA west of I-5: Wind Advisories through this evening. Gusts 40-50 mph. US-101, CA-1 impacted.

— Southern CA southern Sierra, Mojave Desert and interior areas: Wind Advisories through Sunday morning. Gusts to 55 mph. I-40, US-395, CA-58 impacted.

— Southern CA mountains northwest, north and northeast of Los Angeles: High Wind Warnings and Watches today and Sunday. Gusts 60-65 mph. I-5, I-15 impacted.

— Southern CA along and south of I-10: Wind Advisories tonight and Sunday. Gusts to 50 mph except gusts to 60 in the mountains and desert slopes. I-5, I-8, I-10, I-15, US-101 impacted.

— CA Sierra Nevada mountains above 7000 feet: Winter Storm Warning through late tonight. Snow accumulations 1-3 feet, except up to 5 feet above 8000 feet. Winds gusting 50-55 mph; higher along exposed ridge lines. I-80, US-50 impacted.

— Central, eastern and most of southern NV: Winter Storm Warnings and Advisories, mostly above 6000 feet. Snow accumulations will range from 2-6 inches in the south and lower elevations, to 7-14 inches in the north to 1-3 feet in the mountains above 7000 feet. Wind gusts 40-55 mph. I-80, US-6, US-50, US-93 impacted.

— Southern CA coastal and mountain regions: Flash Flood and Flood Watches late this afternoon and tonight. I-5, I-8, I-10, I-15, US-101, CA-1 potentially impacted.

— Southeast CA and adjacent AZ: Dense Fog Advisories through midmorning. I-8, I-10 impacted.

Mountain:

— Central and east-central ID; southwest MT: Winter Weather Advisories through midday today. 1-3 inches additional snow accumulation. I-15 impacted.

— Most of WY except northeast portion of state; southeast ID; north-central, northeast, central and southwest UT; central and western CO: Winter Storm Warnings and Advisories through Monday evening. Up to a foot of snow in the valleys and lower elevations and 1-4 feet of snow in the passes and mountains. Wind gusts 35-40 mph. I-15, I-25, I-70, I-80, I-84 impacted.

— North-central, central and east-central AZ; adjacent west-central NM: Winter Storm Warnings and Watches (NM) Sunday and Sunday night above 6000 feet. Snow accumulations generally 4-10 inches except up to 18 inches above 8000 feet. Wind gusts to 40 mph. I-17, I-40 impacted.

— Portions of north-central, central and south-central AZ: Dense Fog Advisories through midday today. I-10, I-17, I-40 impacted.

— Eastern AZ; central, western and southwest NM: Strong winds Sunday. Gusts 40-55 mph. I-10, I-40 impacted.

— North-central NM mountains: Winter Storm Watch above 8000 feet. 6-12 inches snow and wind gusts to 40 mph.

— Southeast WY: High Wind Warnings through midnight tonight. Gusts 55-65 mph. I-25, I-80 impacted.

— North-central and east-central NM: Wind Advisories through this evening. Gusts to 50 mph. I-25, I-40 impacted.

— Southeast NM; far-western TX including the I-10/I-20 split: Wind Advisories today. Gusts to 55 mph. I-10, I-20 impacted.

— Southeast WY; northeast CO: Winter Storm Watches Sunday and Monday. 6-12 inches of snow, perhaps mixed with freezing rain. Wind gusts to 35 mph. I-25, I-76, I-80 impacted.

Central:

— Far-western TX including the I-10/I-20 split: Wind Advisories today. Gusts to 55 mph. I-10, I-20 impacted.

— Central and south-central ND; north-central and northeast SD: Dense Fog Advisories through midday today. I-29, I-94 impacted.

— Southern and southeast SD; most of NE except southeast portion of state; southeast WY; northeast CO: Winter Storm Watches late Sunday night through Tuesday morning. Snow accumulations generally 5-8 inches, mixed with some freezing rain. I-29, I-76, I-80, I-90 impacted.

— Eastern TX; southern AR; LA; southern MS; southwest AL: Dense Fog Advisories this morning. I-10, I-12, I-20, I-30, I-45, I-49, I-55, I-59, I-65 impacted.

— Eastern TX; central and western LA; AR; southeast MO; southern IL; western KY; western TN; northwest MS: Heavy rains Monday and Monday night create the risk for flash flooding. Major highways potentially impacted include I-10, I-12, I-20, I-22, I-24, I-30, I-45, I-49, I-55, I-57, I-59, I-64, I-69.

— Eastern TX; eastern OK; AR; central and western LA; northwest MS: Severe Thunderstorms expected Monday and Monday night. Damaging wind gusts and TORNADOES will be the primary threats. I-10, I-20, I-30, I-40, I-45, I-49 potentially impacted.

Eastern:

— Western NY vicinity and south of Buffalo: Flood Watch through Sunday afternoon for a combination of ice jams, snow melt and rainfall. I-90 / NY Thruway possibly impacted.

— Coastal SC; southeast GA; eastern FL Panhandle: Isolated strong to severe thunderstorms possible today. I-10, I-16, I-26, I-75, I-95 potentially impacted.

— Eastern seaboard from NJ to SC: Dense Fog Advisories this morning along the I-95 corridor.

— Southern and southwest FL Peninsula: Dense Fog Advisories this morning. I-4, I-75, I-95 impacted.

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

National Weather Service Watches Warning and Advisories Saturday morning 31 December
Click on graphic for legend and real-time updates
Severe thunderstorm risk Saturday and Saturday night 31 December
Wind gusts Saturday afternoon 31 December
Likelihood of winter weather impacting RV travel Saturday or Saturday night 31 December
Wind gusts Sunday afternoon 1 January
Likelihood of winter weather impacting RV travel Sunday or Sunday night 1 January
Severe thunderstorm risk Monday and Monday night 2 January
Flash Flood Risk Monday and Monday night 2 January
Likelihood of winter weather impacting RV travel Monday or Monday night 2 January
Total snowfall accumulations through Monday night 2 January
Total precipitation amounts through Monday 2 January