Travel & RV Weather Forecast a.m. Tuesday 4 January

** Heads up for dangerous winter storm over the Upper Midwest tonight and Wednesday **

** Heads up for high crosswinds today and Wednesday I-25 from Cheyenne to Las Cruces **

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  • Dangerous winter storm for the Upper Midwest tonight and Wednesday with a combination of snow, blowing snow, strong winds and very cold temperatures.
  • High wind pulses coming off the Front Range of the Rockies from Wyoming to New Mexico both today and Wednesday.
  • Yet more rain, snow and high winds for the Pacific Northwest, Inter-mountain West and Northern Rockies.
  • Arctic air and extreme wind chill temperatures return to the Northern Plains and Upper Midwest Wednesday through Friday morning.

For details, check out the latest weather animations.

Here’s the long-range travel & RV weather outlook (updated Sunday evening)

— Northwest WA vicinity Puget Sound: Winter Weather Advisories through midmorning. 1-3 inches snow. I-5, I-90 impacted.

— South-central WA: Freezing Fog Advisory through midmorning. I-84 impacted.

— WA Cascades, northern and eastern WA; most of ID; western, central, south-central and southeast MT; most of OR from the Cascades east; northern CA; northern NV; western WY; northeast UT: Winter Storm Warnings, Watches and Advisories through Thursday in most parts. Snow will be measured in feet in the mountains and inches in the valleys. Winds in general gusting 35-50 mph over this region. I-5 (CA), I-15, I-80, I-84, I-90, I-94 all impacted.

— Southwest OR, adjacent northern CA: Flood Watch through Wednesday morning. I-5, US-101 potentially impacted.

— CA Northern and Central Sierra Nevada above 5500 ft: Winter Weather Advisory through this afternoon. Accumulations generally 2-4 inches. I-80 impacted.

— South-central CA, southern Sierra and portions of Mojave Desert: Wind Advisory through Tuesday night. Gusts to 55 mph. CA-58 impacted.

— Southeast WY, northwest and north-central NE: Winter Storm Watches Wednesday morning through Thursday morning. Snow and blowing snow. Accumulations generally 2-5 inches but with some higher amounts. I-80 highly impacted

— South-central WY, north-central and central CO: Winter Storm Warnings, Watches and Advisories continue for the mountains through Thursday night. 1-3 feet of snow and wind gusts to 60 mph. I-70 highly impacted.

— Southern and southeast WY; western NE; CO Front Range along I-25; north-central and central NM: High Wind Warnings, Watches and Advisories through Wednesday evening. Winds will be strongest mid-morning thorough early afternoon. Gusts generally 60-65 except gusts to 80 mph along the CO Front Range north of Denver. I-25, I-40, I-70, I-80 impacted.

— Southwest ND; western, central and southern SD; eastern NE; western IA; far-northern MO: High Wind Warnings (SD) and Advisories today and tonight. Winds will decrease from west to each. Gusts generally 45-50 mph except over SD expect gusts 60-65 mph. I-29, I-35, I-80, I-90, I-94 impacted.

— Southwest TX Panhandle, south of I-40: Wind Advisory today through this afternoon. Gusts to 50 mph.

— Central and eastern ND; eastern SD; MN; northern and eastern IA; WI; northern and western MI; northern IL: Winter Storm Warnings (MI) and Advisories for snow and blowing snow. Accumulations generally 2-5 inches except 6-12 inches over MI. Wind gusts 40-50 mph. Wind chill values -20 to -30 deg F. Dangerous travel situations and roads will be highly impacted. Major highways impacted include I-29, I-35, I-43, I-80, I-90, I-94.

— Western NY downwind of Lakes Erie and Ontario: Winter Storm Watches late Wednesday evening through Thursday evening. Snow could accumulate 9 or more inches. Wind gusts to 40 mph. I-81, I-90 / NY Thruway impacted.

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