Travel & RV Weather Forecast Monday 18 April

**Heads Up ** Heavy wet snow this afternoon and tonight across much of central and northern Pennsylvania and interior New York. Snow may fall hard enough to accumulate on roads. Wet snow may bring down trees.

  • Late season winter storm wlll bring accumulating wet, heavy snowfall to the higher elevations of eastern NY and PA. Slick roads and falling trees are the greatest threats.
  • Low elevation rains and mountain snows for the Pacific Northwest.
  • Strong winds for the eastern slopes of the Sierra Nevada and portions of the Southwest
  • Scattered strong storms will be possible in the Southeast this afternoon.

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For detailed weather information or routing recommendations, please submit an RV Weather Routing Request. Your local forecasts are always available here. Below are some highlights of significant weather, grouped by time zone:


— OR Cascades above 4000 feet: Winter Weather Advisories this afternoon and tonight. 4-8 inches snow above 4000 feet and 8-15 inches above 5000 feet. Winds 30-40 mph.

CA Western Slopes Northern Sierras above 6500 feet: Winter Weather Advisories tonight through Tuesday afternoon. 4-7 inches snow expected. I-80, US-50 impacted.

Eastern CA and adjacent western NV; CA deserts north of CA-58 / I-40; southern NV: Wind Advisories this afternoon through Tuesday. Gusts generally 50-55 mph, except to 65 mph in normally wind-prone areas and gusts to 100 mph on the Sierra ridge lines. I-15, I-40, I-80, US-50, US-395, CA-58 impacted.


— Northwest and north-central MT: High Wind Warnings (Rocky Mountain Front) and Watches Tuesday afternoon and night. Gusts 60-70 mph. I-15 impacted.

Southern, southeast and east-central UT; northern and central AZ: Wind Advisories Tuesday afternoon and evening. Gusts to 50 mph. I-17, I-40, I-70 impacted.


— MN Arrowhead: Winter Storm Warnings and Advisories through this afternoon. Snow accumulations generally 1-3 inches, except 3-6 inches along the lakeshore.

South-central MN; north-central IA: Wind Advisory this afternoon and evening. Gusts to 45 mph. I-35, I-90 impacted.


Southeast MI north of Detroit, including the Thumb: Winter Weather Advisory this afternoon through tonight. 3-6 inches wet snow expected. Some accumulation on roads is possible. I-69 impacted.

— Southwest VA; extreme northeast TN: Wind Advisory this morning Gusts 40-50 mph. I-81 impacted.

Parts of eastern WV; extreme western MD; central PA along the I-99 corridor and much of northern PA: Winter Weather Advisories this afternoon through tonight. Up to 1-5 inches of wet snow possible. Snowfall rates may be high enough for some accumulation on roads. I-68, I-70 / I-76 / PA Turnpike, I-80, I-81, I-99 impacted.

— Interior portions of NY, mostly west of I-87 and excluding far-western portion of State: Winter Storm Warnings (Catskills and Adirondacks) and Advisories this evening through midday Tuesday. Accumulations ranging from 2-4 inches in the western portion of this region to 5-11 inches in the higher elevations. I-81, I-87, I-88, I-90 / NY Thruway impacted.

Severe Weather Watches and Warnings:

— See for the latest Tornado and Severe Thunderstorm WATCHES

— See for the latest Tornado, Severe Thunderstorm, and Flash Flood WARNINGS.

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