Travel & RV Weather Forecast Wednesday 18 January

Major snowstorm for the central Plains into the Upper Midwest today and Thursday.
Strong winds impact New Mexico, west Texas and lower Mississippi Valley today.
Chance of severe thunderstorms and possible tornadoes, northern Louisiana to the lower Ohio Valley, this afternoon and evening.

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Pacific:

— Southeast WA lower Columbia Basin: Dense Fog Advisory this morning. I-82 impacted.

— WA Cascades; OR Cascades: Winter Weather Advisories through this tonight. Snow accumulations generally 4-8 inches. Snow levels start at 3500 feet and lower to 2000 feet by evening. I-90 impacted.

— Northeast OR Blue Mountains: Winter Weather Advisory this afternoon and tonight. 4-8 inches snow expected. I-84 impacted.

— East-central and southeast OR; southwest ID; northern, northeast and east-central NV: Winter Weather Advisories Wednesday evening through Thursday evening. Snow accumulations generally 1-4 inches in the valleys and 4-7 inches in the higher passes and mountains. Wind gusts to 35 mph. I-80, I-84, US-6, US-20, US-50, US-93, US-95 impacted.

— Northern CA: Winter Weather Advisories above 2500 feet mid-morning through late this evening. Snow accumulations generally 3-6 inches. I-5 Siskiyou Pass impacted.

— Northeast CA: Winter Weather Advisory this afternoon and tonight. Snow accumulations 2-4 inches except up to 8 inches west of US-395. US-395 impacted.

— CA northern and central Sierra Nevada mountains: Winter Storm Warning this afternoon and tonight. Snow levels 3000-4000 feet. 4-10 inches at lower elevations and 15-20 inches above 5500 feet. I-80, US-50 impacted.

— Central VA San Joaquin Valley south and west of Fresno: Dense Fog Advisory this morning. I-5, CA-99 impacted.

Mountain:

— Southeast MT: Dense Fog Advisory this morning. I-94 impacted.

— Southeast ID Teton Valley: Freezing Fog Advisory through this afternoon. I-15 impacted.

— Northeast WY Black Hills and adjacent far-west SD: Dense Fog Advisories through midday. I-90 impacted.

— Southeast WY: High Wind Watch late Wednesday night through Thursday morning. Gusts to 60 mph. I-25, I-80 impacted.

— East-central, southeast and south-central WY; north-central, northeast and east-central CO: Winter Storm Warnings and Advisories continue through this evening. 2-8 additional inches of snow and wind gusts to 40 mph. I-25, I-70, I-76, I-80 impacted.

— Western CO; north-central NM: Winter Storm Warnings and Advisories today. Additional snow accumulations generally 2-4 inches. Wind gusts to 40 mph. I-70 impacted.

— Far-west CO Grand Valley (I-70 and UT border): Dense Fog Advisory this morning. I-70 impacted.

— Eastern NM; far-west TX: High Wind Warnings and Advisories through this evening. Gusts 50-60 mph. I-10, I-25, I-40 impacted.

Central:

— Southern SD; NE; northern and northwest KS; southern and southeast MN; IA except southeast portion of state; most of WI: Winter Storm Warnings Watches and Advisories through Thursday. Snow moves from west to east. Accumulations will range from 5-8 inches in WI and MN to 9-17 inches in central NE. Gusts to 40 mph. I-29, I-35, I-39, I-43, I-70, I-80, I-90, I-94 impacted.

— Southeast KS: Dense Fog Advisory this morning.

— Much of western TX, including the southwest Panhandle: High Wind Warnings and Advisories through this evening. Wind gusts 50-65 mph. Strongest winds over southwest TX centered on the I-10/I-20 split. I-10, I-20, I-27 impacted.

— Central and northern LA north of I-10; southern, central and northeast AR; west-central and northwest MS; western TN: Severe thunderstorms possible today. I-20, I-22, I-40, I-49, I-55 potentially impacted.

— Northwest LA; southern, central and northeast AR; southeast MO; western TN; southern IL: Heavy rain with a slight chance of flash flooding today and tonight. I-30, I-40, I-55, I-57 potentially impacted.

— Most of LA, adjacent TX and MS; coastal MS; southeast and east-central AR and adjacent MS; southwest TN Memphis region: Wind Advisories mid-morning though this evening. Gusts 40-45 mph. I-10, I-12, I-20, I-22, I-24, I-30, I-40, I-49, I-55 impacted.

Eastern:

— Northeast IN; west-central and northern OH: Thunderstorms may produce isolated damaging winds and even a tornado or two Thursday afternoon and evening. I-70, I-71, I-75, I-80/90/OH Turnpike / IN Toll Road potentially impacted.

— Northern MI: Winter Storm Watch late tonight though late Thursday night. 4-8 inches snow with wind gusts 30-40 mph. I-75 impacted.

— Along the TN/NC border, mostly above 3500 feet; southwest NC: Wind Advisory late this evening through Thursday afternoon. Gusts 40-55 mph. I-26, I-40 impacted.

— Southern and eastern TN; far-southwest VA; northwest SC and parts of western NC; most of GA except eastern regions; FL Panhandle: Dense Fog Advisories this morning. I-10, I-16, I-20, I-26, I-40, I-59, I-75, I-77, I-81, I-85 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 Wednesday morning 18 January 2023
Click on graphic for legend and real-time updates
Wind gusts Wednesday afternoon 18 January
Severe thunderstorm risk Wednesday and Wednesday night 18 January
Flash flood risk Wednesday and Wednesday night 18 January
Snow accumulations Wednesday and Wednesday night 18 January
Ice (freezing rain) accumulation Wednesday and Wednesday night 18 January
Likelihood of winter weather impacting RV travel Wednesday or Wednesday night 18 January
Wind gusts Thursday afternoon 19 January
Severe Thunderstorm risk Thursday 19 January
Likelihood of winter weather impacting RV travel Thursday or Thursday night 19 January
Likelihood of winter weather impacting RV travel Friday or Friday night 20 January
Total snowfall amounts through Friday night 20 January
Total precipitation amounts through Friday night 20 January