...EXTREME COLD WARNING IN EFFECT UNTIL NOON CST FRIDAY... ...COLD WEATHER ADVISORY NOW IN EFFECT FROM NOON FRIDAY TO NOON CST SATURDAY... * WHAT...For the Extreme Cold Warning, dangerously cold wind chills as low as 40 to 45 below expected. For the Cold Weather Advisory, very cold wind chills as low as 35 below expected. * WHERE...Burke, Divide, Mountrail, and Williams Counties. * WHEN...For the Extreme Cold Warning, until noon CST Friday. For the Cold Weather Advisory, from noon Friday to noon CST Saturday. * IMPACTS...The dangerously cold wind chills could cause frostbite on exposed skin in as little as 10 minutes. * ADDITIONAL DETAILS...Gusty northwest winds may cause patchy blowing snow tonight through Friday. PRECAUTIONARY/PREPAREDNESS ACTIONS... Stay indoors as much as possible. If you must go outside, wear appropriate clothing, a hat, and gloves. &&