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Interstate Travel Forecast In Wet West Weather

19 Mar 2021, 4:14 pm

As the next round of rain and snow push across the western United States, we’ve got you covered with what to expect for rain, snow, accumulation, timing, and impacts on area interstate corridors. With more on the forecast & timing of snowfall, check out our article: Snow Continues in the Western US this Weekend


We are anticipating poor travel conditions in Utah along I-80 where rain and snow has been falling throughout Saturday. Snow will continue into Sunday morning, causing slow speeds through those mountain passes.



The highest snowfall will occur for the Wahsatch Mountain Range, making for difficult travel. As this system pushes east, we will see 2-4″ along I-80 in Wyoming too from Rock Springs through Cheyenne.


Moving onto the Interstate 84 corridor next, heavy rain and snow showers will continue through Saturday evening and overnight before everything shifts east. Winter Weather Alerts are in place for far eastern Idaho, east of I-84 through Sunday morning. Although we will see a break in the snow activity on Sunday, snow showers redevelop Monday morning into Tuesday.


Heavy snow will continue throughout Saturday and Sunday morning for the I-90 corridor from Idaho into Montana, although the eastern edge of the interstate will be facing the most adverse weather through Saturday evening, with clearing by Sunday morning. Winter Weather Alerts are in place through early Sunday morning, including a Winter Storm Warnings to the southwest of Billings, MT.

The best accumulation will be where the Winter Storm Warning is in place, but still, a widespread 3-6″ will be possible from Bozeman to Billings, making I-90 difficult Saturday into Sunday.

Finally, we end with the I-70 corridor through Colorado, which will face the brunt of this system a bit later into the forecast period: Sunday into Monday. A Winter Weather Advisory is in place for parts of I-70 whereas the high country will see more significant snow, and has a Winter Storm Warning in place through Monday. Uncertainty still exsists for the Denver metro area forecast, so a Winter Storm Watch is in place until exact snowfall amounts can be ironed out, still 4-12″ will be possible across I-70 causing difficult travel.

About the author
Summer of 1993, New England Dragway. That's when and where Steve knew he wanted to become a meteorologist. More than 20 years later he is extremely fortunate and blessed to be able to live his childhood dream. As a lover of math and science, Steve had a consistent interest in weather in elementary, middle, and high school before discovering you can major in meteorology. He attended Lyndon State Co... Load Morellege in Vermont where he received a bachelor's in meteorology-broadcasting and associate's in television news. He has worked as a meteorologist and reporter in Winchester, VA, Burlington, VT, and most recently in West Palm Beach, FL. He's recognized by the American Meteorological Society with the Certification of Broadcast Meteorologists.

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