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Update: Winter weather advisory extended

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News Worthington, 56187
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Worthington Minnesota 300 11th Street / P.O. Box 639 56187

8 p.m. Update

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SIOUX FALLS, S.D. - The National Weather Service has again extended its winter weather advisory for southwest Minnesota and northwest Iowa, as many area schools opt for a late Monday morning start.

The advisory is now set to end at noon Monday.

A strong pressure gradient will continue to produce 25 to 35 mile per hour winds tonight and into Monday. Wind speeds of this strength will create blowing and drifting snow in open areas, frequently reducing visibility to less than a half mile. Additionally, a weak upper level disturbance will move across the area tonight, bringing a quick shot of light snow.

New snow accumulation tonight will be minimal, perhaps half an inch or less, the National Weather Service reported.

Timing

Blowing snow, producing low visibility, will be widespread through tonight and into Monday morning. A quick shot of light snow is expected during the overnight hours tonight.

Wind and Visibility

North to northwest winds of 25 to 35 miles per hour will cause widespread blowing snow through Monday morning, frequently reducing visibility to less than a half mile.

Wind chills will remain between 5 to 15 degrees below zero through Monday.

Precautions

A winter weather advisory for snow and blowing snow means that visibility will be limited due to a combination of falling and blowing snow.

The National Weather Service urges caution while traveling, particularly in open areas.

10:15 a.m. Sunday Update

SIOUX FALLS, S.D. - The winter weather advisory has been extended and will now end at 6 p.m.

Original Post

SIOUX FALLS, S.D. - The National Weather Service has issued a winter weather advisory for southwest Minnesota and northwest Iowa, set to expire at noon today.

An upper-level low pressure system will move across the area tonight, producing occasional snow into early Sunday morning. In addition to the snow, northwest winds will become strong, producing blowing and drifting snow and reducing visibility.

Snow accumulation is expected to be 1 to 2 inches.

Timing

Light snow will persist east of Interstate 29 with additional snow spreading south across the entire area, tapering down throughout the morning.

Wind and Visibility

Northwest wind will increase to 15 to 25 miles per hour and then increase further to 20 to 35 miles per hour this morning. Wind will remain strong through Sunday and slowly taper off Sunday night. Visibility will drop to 1 mile at times due to snow and blowing snow. Visibility is expected to improve through the day Sunday.

Wind chill values of 5 below to 15 below zero will develop and continue through the day Sunday.

Preparedness

A winter weather advisory for snow and blowing snow means that visibility will be limited due to a combination of falling and blowing snow. People are encouraged to use caution when traveling, especially in open areas.

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