Travel & RV Weather Forecast a.m. Friday 17 December 2021

  • Stalled frontal system from eastern TX to western Pennsylvania will trigger:
    • heavy rains with potential flooding;
    • possibility of severe weather in the Southern Plains; and
    • a snowstorm for northern NY and interior New England.
  • Strong Pacific Storm moves into WA and OR starting Saturday.

For details, check out the latest weather animations.

Here’s the long-range travel & RV weather outlook (updated Wednesday 15 December)

— WA Cascades and Olympic Mountains: Winter Storm Watches and Advisories this evening through Sunday morning above 3000 feet. Snow accumulations 3-31 inches. Wind gusts up to 45 mph. I-90 impacted.

— Southeast WA, northeast OR: Wind Advisory Saturday along the Blue Mountains. Gusts to 55 mph. I-84 impacted.

— Southern CA hills and mountains north and northwest of Los Angeles: Wind Advisory through Saturday afternoon. Gusts to 45 mph. I-5, I-210, I-405, US-101 impacted.

— North-central ID, northern and western MT, western WY, northeast UT: Winter Weather Advisories through this morning. 1-2 inches additional accumulation of snow at lower elevations and up to 3-6 inches on higher passes. I-15, I-80, I-90 impacted.

— Southeast WY: High Wind Warning through late this morning. Gusts to 75 mph I-25, I-80 impacted.

— Southeast WY: High Wind Warning resumes early morning Saturday through Sunday afternoon. Gusts to 75 mph. I-25, I-80 impacted.

— South-central WY and adjacent CO (Elkhead and Park Mountains): Winter Weather Advisory through midday today. 4-8 inches total snow accumulation expected with gusts to 35 mph.

— West-central SD: Wind Advisory today. Gusts to 50 mph. I-90 impacted.

— Southeast ND, northeast SD, adjacent MN: Winter Weather Advisory this afternoon and evening. 3-5 inches snow expected. I-29, I-94 impacted.

— Southeast OK, adjacent northeast TX: Slight risk of severe thunderstorms this afternoon and evening. Strong wind gusts and hail are the primary threats. I-35, I-40 potentially impacted.

— East-central OK, northwest AR: Flood Watch through late tonight. Widespread area of 1-2 inches rain with localized amounts up to 4 inches. I-40 potentially impacted.

— Eastern OK, western and northern AR, southern MO, southern IL, western KY, southwest IN: Slight risk of flash flooding from heavy rains along a stalled frontal boundary. Heaviest rains are expected this evening and tonight. I-40, I-44, I-55, I-57, I-64 potentially impacted.

— Southern LA and adjacent coastal TX; southern and southeast MS; central and southern AL; FL Panhandle; much of GA; much of SC west of I-95: Dense Fog Advisories through midmorning. Major highways impacted include I-10, I-12, I-20, I-26, I-55, I-59, I-65, I-75, I-85.

— NY north of I-90: Snow, mixed with some sleet and freezing rain Saturday afternoon and night. 3-8 inches likely. No advisories at this time. I-81, I-87 impacted.

— Central and southern VT, most of NH, southwest ME: Winter Storm Watch Saturday afternoon and night. 4-8 inches snow expected. I-89, I-91, I-93, I-95 impacted.

— Western, central and northern MA: Winter Weather Advisory Saturday and Saturday night. 1-5 inches snow, mixed with sleet and freezing rain. I-84, I-90 / Mass Pike, I-91, I-495 and I-95 impacted.

— Central and northern NH, western ME: Wind Advisory through this afternoon. Gusts to 50 mph. I-93 impacted.

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