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Snow and ice leads to travel impacts this weekend


Snowfall forecast for Saturday and Sunday
Snowfall forecast for Saturday and Sunday
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A winter storm will bring rain, ice, and snow to eastern Iowa this weekend. Winter Weather Advisories and Winter Storm Warnings blanket the area. Travel will get tough Saturday afternoon and remain tough into early Sunday morning. Most of the area will see 3-7" of snow with the possibility of 0.1" of ice accumulation.

The event will start off with a wintry mix of freezing rain, rain, sleet, and snow. Ice accumulations will range from a glaze to 0.2". This alone will create slick and hazardous travel before any snow accumulated. As we go through this forecast, focus more on the impacts rather than the amount of snow.

There is potential for periods of heavy snow, meaning 1" per hour, by the evening Saturday. This will likely lead to travel impacts with snow-covered roadways. A factor keeping confidence from being high is the potential for mixing potential along/south of I-80 which could keep snowfall totals down.

The highest impacts will likely be between 6 p.m. Saturday and 6 a.m. Sunday. The timing of change from a wintry mix to snow is still a bit unknown, but is expected to occur by 6 p.m. north of I-80.

Wind gusts during this event will be in the 25-30mph range. This could once again lead to blowing and drifting snow, creating hazardous travel conditions with snow-covered roads and low visibility.

The snowfall forecast shows a large swath of 3-7" across a large part of the area including Cedar Rapids, Waterloo and Dubuque. The combination of moisture and cold air will set up along Highway 20 and Highway 30, Iowa City, Washington and Decorah will be in the 2-5" range for snowfall.

In the far south, more mixing may lead to lower totals of around 1-3". The further south you go the lower the confidence in the forecast -- warmer temperatures may lead to more rain/ice and lower snowfall totals.

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Get the latest forecast anytime on IowasNewsNow.com/weather and more frequent updates on Twitter @IowasNewsNow.

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