Travel & RV Weather Forecast Monday 9 January

Major storm systems impact California today and Tuesday with high winds, flooding rains and mountain snows.
Snow and winds impact the Great Basin, inter-mountain West and northern Rockies later today and Tuesday.
Chance of severe weather lower Mississippi Valley late Wednesday and Thursday.

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Pacific:

— Northwest WA Puget Sound Lowlands east of Puget Sound: Wind Advisory this morning. Gusts to 45 mph. I-90 impacted.

— Southeast WA; north-central and northeast OR: High Wind Warnings and Advisories through this afternoon. Wind gusts 45-65 mph. Strongest winds at the base of the Blue Mountains east of Pendleton. I-84, US-395 impacted.

— Immediate coastal south-central and southwest OR: High Wind Warnings through early this afternoon. Gusts to 60 mph. US-101 impacted.

— South-central and southwest OR; northeast CA: Wind Advisories this morning. Wind gusts 45-55 mph. I-5, US-395 impacted.

— Northern CA I-5 corridor between Yreka and Weed: High Wind Warning this morning. Gusts to 65 mph. I-5 impacted.

— Northwest coastal CA: High Wind Warnings and advisories this morning. Gusts 60-85 mph. Strongest wind gusts on exposed mountain ridges and headlands. US-101 impacted.

— Most of northern and central CA from Big Sur to the OR coast and in the interior, from north of Bakersfield to Redding: High Wind Warnings (north and west) and Advisories through early this afternoon. Wind gusts generally 50-60 mph except 80 mph on exposed mountains and ridge lines. High winds will end from north to south today. I-5, I-80, US-101, CA-1, CA-99 impacted.

— Most of northern and central CA west of the Sierra Nevada mountains from Oceanside to Eureka and from the Inland Empire to north of Redding: Flood Watches and Advisories through late Tuesday night. Expect particularly heavy rain this afternoon into Tuesday. Major highways potentially impacted include I-5, I-80, US-101, CA-1, CA-58, CA-99

— Southern CA from the Santa Barbara coast, north of Los Angeles, and east to the Mojave Desert: High Wind Warnings (western portion) and Advisories through Tuesday. Highest winds in coastal regions and in the mountains northeast and north of Los Angeles. Wind gusts 50-70 mph. Major highways impacted include I-5, I-10, I-15, I-40, US-101, CA-58, CA-1.

— Central and southern coastal CA: Isolated strong to severe thunderstorms possible on Tuesday, causing damaging winds and even a brief tornado. I-5, I-8, I-10, US-101, CA-1 potentially impacted.

— Central and southern NV: Wind Advisories through Tuesday. Gusts to 50 mph. I-15, US-6, US-50, US-93, US-95 impacted.

— Northern CA above 5000 feet: Winter Storm Warnings continue through this morning. Total snow accumulations of 16-24 inches. Wind gusts to 90 mph on the high peaks.

— CA Sierra Nevada Mountains: Winter Storm Warnings through Tuesday. Additional snow accumulations of 10-20 inches above 5000 feet and 2-4 feet on higher passes. Wind gusts to 70 mph. I-80, US-50 impacted.

— Northwest and west-central NV along the CA border: Winter Storm Watches late tonight through Tuesday afternoon. 1-4 inches except 4-18 inches above 6000 feet. Wind gusts to 45 mph. I-80, US-6, US-50, US-95 potentially impacted.

— Much of central and northern NV above 6500 feet: Winter Weather Advisories this afternoon through Tuesday. Snow accumulations up to 20 inches and wind gusts to 50 mph. US-6, US-50, US-93 impacted.

Mountain:

— Northwest and north-central MT; north-central ID: Winter Weather Advisories through mid-morning. An inch or so of snow mixed with freezing rain. I-90 impacted.

— Central and eastern ID; western WY: Winter Weather Advisories midday today through Tuesday. Snow accumulations will range from 3-8 inches in the valleys to 6-12 inches in higher terrain and the passes. Wind gusts 30-50 mph. I-15 impacted.

— North-central, central and southwest UT: Winter Weather Advisories midday today through Wednesday afternoon. 8-16 inches snow except higher amounts in the Wasatch and Cottonwood Ranges. Advisory area is mostly to the east of I-15, but I-15 and I-70 will be impacted in the higher terrain of central and southwest UT. I-15, I-70 impacted.

— West-central and southwest UT; northwest AZ: Wind Advisories this afternoon and Tuesday. Gusts 50-55 mph. I-15, I-40 impacted.

— Central and southeast WY: High Wind Warnings and Watches through Tuesday. Gusts 60-65 mph. I-25, I-80 impacted.

— Southeast NM and adjacent far-west TX Delaware and Guadalupe Mountains: High Wind Watch Wednesday. Gusts to 65 mph. US-180 potentially impacted.

— Much of eastern NM: Strong Winds Wednesday midday and afternoon. Gusts 40-50 mph. I-25, I-40 impacted.

Central:

— TX and OK Panhandles: Strong Winds Wednesday midday and afternoon. Gusts 40-50 mph. I-27, I-40 impacted.

— Southeast SD and adjacent southwest MN: Dense Fog Advisory through mid-morning. I-29, I-90 impacted.

— Western TN; adjacent northern MN and northeast AR: Freezing Fog Advisories through mid-morning. I-40, I-55 impacted.

— Much of LA between I-10 and I-20; southwest MS: Dense Fog Advisories through mid- morning. I-10, I-12, I-20, I-49, I-55 impacted.

— Eastern TX; eastern OK; southern MO; AR; central and northern LA; western TN; northern and west-central MS: Isolated severe thunderstorms possible Wednesday night through Thursday morning. Major highways potentially impacted include I-20, I-22, I-30, I-40, I-45, I-49, I-55.

Eastern:

— Central NC and adjacent south-central VA; northwest SC: Dense Fog Advisories through mid-morning. I-26, I-40, I-73, I-77, I-85, 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 Monday morning 9 January 2023
Click on graphic for legend and real-time updates
Flash Flood Risk Monday and Monday night 9 January
24-hour rainfall over California midday Monday – midday Tuesday 9-10 January
Wind gusts Monday afternoon 9 January
Likelihood of winter weather impacting RV travel Monday or Monday night 9 January
Flash flood risk Tuesday and Tuesday night 10 January
Severe thunderstorm risk Tuesday and Tuesday night 10 January
Wind gusts Tuesday afternoon 10 January
Likelihood of winter weather impacts Tuesday or Tuesday night 10 January
Severe thunderstorm risk Wednesday and Wednesday night 11 January
Wind gusts Wednesday afternoon 11 January
Likelihood of winter weather impacting RV travel Wednesday or Wednesday night 11 January
Total snowfall accumulation through Wednesday night 11 January
Total precipitation amounts through Wednesday night 11 January