Travel & RV Weather Forecast a.m. Wednesday 15 December 2021

**High impact weather today: Widespread damaging Winds sweep across the Central U.S.; significant severe weather threat this afternoon and evening across northern Iowa and southeast Minnesota **

  • Rapidly strengthening storm moves from the central Rockies to the upper Great Lakes today with widespread damaging high winds.
  • Significant severe weather threat, including tornadoes, this afternoon and evening for northern Iowa and southeast Minnesota.
  • Today another storm impacts Central and Northern California, Oregon and Washington with heavy rain and snow, and strong winds.

For details, check out the latest weather animations.

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

— Northwest WA, north of Olympia and west of Puget Sound: Winter Weather Advisory through this afternoon. 1-4 inches wet snow expected. US-101 impacted.

— Southwest WA, western OR coastal ranges: Winter Weather Advisories through Thursday morning. 2-6 inches snow, mostly above 2000 feet. Wind gusts to 40 mph.

— Western OR along the immediate coast; northwest CA coast north of Eureka: High Wind Warning (OR) and Wind Advisories (CA) through early this afternoon. Gusts to 60 mph. US-101 impacted.

— East-central and southeast OR, southwest ID, northern NV: Winter Weather Advisories this afternoon through Thursday morning. Accumulations generally 2-6 inches, higher amounts over the mountains. I-84 impacted.

— South-central OR and adjacent northeast CA: High Wind Warnings and Wind Advisories today. Gusts 50-65 mph. US-395 impacted.

— Northern CA: Wind Advisories late this morning through evening for the Sacramento and northern San Joaquin Valleys. Gusts 40-50 mph. I-5, I-80, CA-99 impacted.

— Northern CA and CA northern and Central Sierra Nevada Range: Winter Storm Warnings through Thursday morning above 2000 feet. Snow accumulations 5-12 inches over northern CA and 12-18 inches with some areas seeing 3 feet of snow for the Sierras. I-5, I-80, US-50 all impacted.

— CA Southern Sierra Nevada: Winter Storm Watch this evening through Thursday afternoon. 6-20 inches snow possible.

— Southwest, central, southeast and eastern MT; western WY: Winter Weather Advisories through this morning (west) and afternoon (east). Accumulations generally 2-5 inches. I-15, I-90, I-94 impacted.

— Southwest, central and northeast UT: Winter Storm Warnings through midday today. Up to 4 inches additional accumulation. I-15, I-80 impacted.

— CO Rockies above 8500 feet: Winter Storm Warning (San Juan Mountains) and Advisories today. 5-16 inches snow expected with wind gusts 50-70 mph. I-70 impacted.

— Southeast WY, eastern CO, western NE; western KS; eastern NM; OK and TX Panhandles: High Wind Warnings today. Gusts 60-80 mph. I-25, I-40, I-70, I-76, I-80 highly impacted.

— SD, NE, KS, OK, northeast TX, central and southern MN, IA, MO, WI, MI, IL, northern IN, north-central and northwest OH, western and northwest NY: High Wind Warnings and Advisories today and tonight. Strongest winds will move southwest to northeast across this region with gusts 55-70 mph. Axis of strongest winds will be from Denver to MI Upper Peninsula. Virtually all highways in the central U.S. will be highly impacted.

— Southeast MN, northern, central and western IA: Widespread severe wind gusts of 60-75 mph along with at least a few tornadoes are likely from late afternoon through this evening across the Mid-Missouri Valley to the Upper Mississippi Valley. Embedded gusts of 80-100 mph and a nocturnal strong tornado or two are also possible, particularly across western to northern IA and southeast MN.

— Southern and eastern ND; northeast, central and south-central SD; adjacent NE; west-central and northwest MN: Winter Weather Advisories midday today through this evening. 1-4 inches snow generally expected, with wind gusts 50-65 mph. I-29, I-90, I-94 impacted.

— Central and eastern VT, northern NH, most of ME: Winter Weather Advisories this evening through Thursday morning. 1-3 inches snow mixed in with some freezing rain. I-89, I-91, I-93, I-95 impacted.

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