Travel & RV Weather Forecast a.m. Monday 21 February

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  • Heavy snow and some icing are likely from a winter storm across the Upper Midwest and into the Great Lakes today through Tuesday.
  • This storm may also produce severe thunderstorms and locally heavy rainfall from the southern Plains to the Tennessee Valley tonight through Tuesday night.
  • A separate system will move along the West Coast into the Southwest with rain, higher elevation snow and strong winds for parts of California and the Southwest Tuesday and Wednesday.

For details, check out the latest weather animations.

Here’s the long-range travel & RV weather outlook

— Southwest WA, western OR, northwest CA: Winter Weather Advisories through Tuesday morning above 1500 feet. Snow accumulations 1-3 inches above 1500 feet but up to 4-10 inches in the higher passes. I-5, US-101 impacted.

— CA Sierra Nevada, northwest NV: Winter Weather Advisories and Winter Storm Warnings (Western Slopes Northern Sierra) this afternoon through Tuesday evening. Expect 8-12 inches snow above 4000 feet and. 1-2 feet snow in the Sierra above 6000 feet. Donner Pass / I-81, US-50 impacted.

— CA eastern slopes Sierra, Mojave Desert, much of Southern CA: Wind Advisories midday today through Tuesday evening. Gusts to 50 mph. I-5, I-8, I-10, I-15, I-40, US-101, US-395, CA-58 impacted.

— Southern CA Mountains: Winter Storm Warnings and Advisories Tuesday afternoon through Wednesday. 2-4 inches snow from 4000-6000 feet and 4-8 inches snow above 6000 feet. I-5 impacted.

— Northern ID; northwest, central and southern MT; most of WY; central and southern ND; SD; MN expect far-northern part of state; much of IA; WI; northern and central MI: Winter Storm Warnings, Watches and Advisories through Tuesday night. Storm moves from west to east; will taper off in the west by tonight. Accumulations generally. 1-4 inches except 6-12 inches across the eastern Dakotas, central MN and northern WI. Major highways impacted include I-15, I-25, I-29, I-35, I-39, I-41, I-43, I-75, I-80 (IA, WY), I-90, I-94.

— South-central WY; western CO; higher terrain of UT: Winter Storm Warnings (WY and CO), Watches and Advisories this afternoon through Tuesday afternoon. Snow accumulations of 4-8 inches will be common. Additional accumulations Tuesday night and Wednesday likely in UT. I-15, I-70 impacted.

— Southern UT, northern AZ: Wind Advisories today and this evening. Gusts 40-50 mph. I-15, I-17, I-40 impacted.

— Southern and eastern NM; far-west TX: Wind Advisories today. Gusts 45-50 mph. I-10, I-25, I-40 impacted.

— Northeast TX; eastern OK; southern MO; northern and central AR: Severe thunderstorms will be possible mainly this evening and overnight. A few tornadoes, sporadic damaging gusts, and isolated large hail are possible. I-30, I-35, I-40, I-44 potentially impacted.

— Southern IL; western KY; southeast MO; western TN; eastern AR; northeast LA; northern and central MS; northeast AL: Severe thunderstorms associated with an isolated tornado, wind damage and large hail possible Tuesday afternoon and evening.

— Southern MO; northern AR; southern IL; KY; western TN; southern OH: Flood Watches late tonight through late Tuesday night. Rain may be especially heavy over northwest KY and possibly northern AL.

— Northeast NY, extreme northern VT: Winter Weather Advisories today and tonight. Some freezing drizzle will make untreated roads hazardous. Any untreated portions of I-87 and I-89 will be impacted.

— Northern NY, northern VT: Flood Watches late Tuesday night though Wednesday night for a combination of heavy rain, melting snow and ice jams.

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