Wind chill advisory issued

• Iced Flags at Freedom Shore Veteran's Memorial Park

File Photo: Ice stiffened flags attempt to wave in the wind at the Freedom Shore Veteran’s Memorial Park in Worthington. Weather caused the cancellation of school and Veterans Day programs throughout the area. (BRIAN KORTHALS/DAILY GLOBE)

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11:25 a.m. Friday

SIOUX FALLS, S.D. - The wind chill will drop to the dangerous level of 20 to 30 below freezing tonight and Saturday morning, warned the National Weather Service today.

A wind chill advisory has been issued to begin at 3 p.m. today and expire at noon Saturday for southwest Minnesota and northwest Iowa, including Osceola, Lyon, Murray, Nobles, Pipestone and Rock counties.

Arctic high pressure will bring much colder air and gusty northwest winds to the region today and tonight, producing areas of blowing snow across the area and reducing visibility to less than half a mile. Temperatures will slowly fall throughout the day and will drop below zero tonight, combining with northwest winds to produce dangerous wind chills.

Gusty northwest winds of 15 to 30 miles per hour are expected and will decrease Saturday morning.

A wind chill advisory is issued when a strong wind combines with cold temperatures to create dangerously cold conditions for exposed to skin. The wind will make it feel like it is 20 degrees below zero or colder for a period of several hours. Anyone planning to venture outdoors should dress warmly and cover all exposed skin, warned the National Weather Service.

Tags: news, windchill, weather, winter