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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— 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.


— 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.


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.


— 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

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