RV Weather

** Heads up this afternoon and evening for severe thunderstorm and tornado threat across northern Mississippi and southern Tennessee **

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• A storm system will progress through the Eastern two-thirds of the U.S. on Wednesday with the threat for severe thunderstorms and heavy rain in the Mid-South and Tennessee Valley.
• Western U.S. remains unsettled with heavy snow from the Sierra into the Intermountain West.
• Heavy rain and flooding possible in southern California.
• Arctic air remains entrenched over the Northern Plains.

For details, check out the latest weather animations.

Here’s the long-range travel & RV weather outlook (will update this afternoon)

— WA Cascades, northern OR Cascades: Winter Weather Advisories Wednesday night and Thursday. 6-12 Inches snow. I-90 impacted.

— South-central and southeast WA and adjacent north-central OR; northern ID and adjacent far-western MT; southwest ID; eastern OR: Winter Weather Advisories today. Generally 2-4 inches accumulation. I-84, I-90 impacted.

— Southwest OR, northwest and northern CA: Winter Weather Advisories this morning. An additional 1-3 inches expected. I-5, US-101 impacted.

— Eastern OR, southwest ID: Winter Weather Advisories tonight and Wednesday: Snow accumulations generally 1-3 inches, higher amounts in the mountains. I-84 impacted.

— CA northern and central Sierra Nevada: Winter Storm Warnings through this evening. In general, 6-9 additional inches snow expected. I-80, US-50 impacted.

— CA southern Sierra Nevada: Winter Weather Advisories through this morning. Total snow accumulations 4-8 inches between 3000 and 6000 feet.

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

— Southern CA west of the deserts: Flood Watch through Thursday evening. I-5, I-8, I-10, I-15 potentially impacted.

— CA Eastern Sierra Nevada, southwest NV: Winter Weather Advisories through Thursday afternoon above 4500 feet. Up to 8 inches snow expected. US-395 impacted.

— Southeast NV, northwest AZ: Winter Storm Warnings through Friday afternoon. Snow accumulations 1-2 feet in the mountains. I-15 impacted.

— Western WY, adjacent eastern ID: Winter Weather Advisories through Friday morning. Accumulations generally 7-14 inches. US-89 impacted.

— Southeast WY and adjacent northeast CO: High Wind Warnings and Watches through Thursday evening. Gusts to 60 mph. I-25, I-80 impacted.

— Northeast, central, southwest UT: Winter Weather Advisories through Saturday morning. Accumulations generally 1-2 feet. Heaviest snow this afternoon and evening. I-15, I-70, I-80 impacted.

— Portions of western CO, adjacent southeast UT: Winter Storm Watches this evening through late Friday night. Accumulation of 1-3 feet and wind gust to 40 mph possible. I-70 impacted.

— Western, northwestern and north-central NM: Winter Storm Warnings and Advisories through late morning. Additional snow. Accumulations of 1-3 inches, accompanied by blowing snow. I-25, I-40 impacted.

— North-central NM: Wind Advisory today. Gusts to 50 mph. I-25 impacted.

— Northern MT east of the Rockies, northern and eastern ND: Wind Chill Warnings through Thursday morning. Wind chill temperatures as low as -40 to -50 deg F. I-94 impacted.

— South-central TX: Dense Fog Advisory through mid-morning. I-10, I-35 impacted.

— North-central, central, south-central AR: Dense Fog Advisory. Through mid-morning. I-30, I-40 impacted.

— Southern AR, TN, northern MS, northern AL, northwest GA: Severe thunderstorms with large hail, damaging winds, and a few tornadoes possible this afternoon and evening. Highest threat areas are northern MS and south-central TN. Threat area bounded by I-20 to the south and I-40 to the north; I-44 to the west and I-85 to the east.

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