Three things to know about Travel & RV Weather Sunday 19 March

  • Focus returns to the West. Snow today in the Sierra Nevada. Major storm for central and southern California, the Great Basin and Southwest starting Monday night.
  • Lake effect snow today for upstate and western New York.
  • Severe weather threat developing Thursday and Friday for the Southern Plains and Mid-South.

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— Northwest and north-central CA Trinity and Siskiyou Counties above 5000 feet: Winter Weather Advisory continues through this afternoon. 3-8 additional inches of snow likely. I-5 should not be impacted, as the passes are below 5000 feet.

Northeast CA and the eastern slopes of the Sierra Nevada: Winter Weather Advisories through midday Monday. Snow accumulations generally around 6 inches. US-395 impacted.

CA Sierra Nevada Mountains: Winter Storm Warnings through midday Monday. Snow accumulations 1-2 feet above 6000 feet. Gusts to 50 mph. I-80, US-50 impacted.

CA Sierra Nevada Mountains: Winter Storm Watches late Monday through Wednesday morning. An additional 6-24 inches snow possible. Snow levels 3500-4000 feet by Monday morning. I-80, US-50 impacted.

— Central and east-central NV: Flood Watches through Wednesday afternoon. Flooding caused by a combination of rain and snowmelt. US-6, US-50, US-93 impacted.

Most of southern NV north of I-15: Winter Storm Watches early Tuesday morning through Wednesday afternoon. 5-10 inches of snow, except greater amounts on the higher peaks. Wind gusts to 45 mph. US-6, US-93, US-95 impacted.

Central and southern CA from the southern Salinas Valley and San Luis Obispo County southward; southwest CA roughly west of a line from Barstow to the Salton Sea: High Wind Watches Tuesday. Gusts 60-70 mph. Major highways impacted include I-5, I-8, I-10, I-15, US-101, CA-1, all greater Los Angeles freeways.

Central and southern CA coastal regions: Slight risk of flash flooding from heavy rains on Tuesday. Up to 2.5 inches of rain possible. Major highways impacted include I-5, I-8, I-10, I-15, US-101, CA-1, all greater Los Angeles freeways.


Southeast WY: Strong winds Tuesday. Gusts 50-60 mph. I-25, I-80 impacted.

North-central and northeast, central and southwest UT: Winter Storm Warnings this evening thorough late Monday night. 8-24 inches snow expected. I-15, I-70, I-80, I-84 impacted.

East-central UT; central and southwest CO: Winter Weather Advisories Monday afternoon through Tuesday afternoon above 8000 feet. 5-10 inches snow. Wind gusts to 40 mph. I-70 impacted.

Much of central and western CO and adjacent eastern UT; north-central NM: Winter Storm Watches Tuesday afternoon through Thursday morning, mainly above 8000 feet. Wind gusts to 50 mph. I-70 impacted.

— Southern UT; northern and central AZ: Strong Winds Monday midday and afternoon. Gusts to 45 mph, I-15, I-17, I-40 impacted.

Southern AZ; most of NM: Strong winds Tuesday. Gusts 35-50 mph. I-10, I-19, I-25, I-40 impacted.

Central AZ: Slight risk of flash floods Tuesday due to excessive rainfall. Rainfall amounts may total 1-2 inches. I-17, I-40 potentially impacted.


— Northeast SD: Winter Weather Advisory through this afternoon for blowing snow. Wind gusts to 45 mph. I-29 impacted.

— Central and northern MN; northern WI: Strong Winds through this afternoon. Gusts 30-40 mph. I-35, I-94 impacted.


— Northeast OH; northwest PA; western NY downwind of Lake Erie: Lake Effect Snow Warnings and Winter Weather Advisories for lake effect snow this afternoon through early afternoon. 1-2 inches additional accumulation. I-77, I-79, I-80, I-86, I-90, NY Thruway, OH Turnpike impacted.

Western NY downwind of Lake Ontario and most of Adirondack Mountains: Lake Effect Snow Warnings (favored snowbelt areas) and Advisories continue through this evening. Additional snow accumulations will range from 4-8 inches. Wind gusts 35-45 mph. I-81, I-87 impacted.

Tornado safety information for RVers (what to do!):

Access to real-time road information:

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