Warmer conditions are likely Thursday under mostly sunny skies.  The 5 Degree Guarantee is 39.  Southwesterly winds will increase with gusts up to 25 mph possible.  An arctic cold front will push through the region Thursday night with temperatures on Friday expected to drop through the single digits with lows Friday night 0 to -5.  Wind chill values Friday night will drop close to -20.  Slightly warmer conditions are likely Saturday and by Sunday we'll be back in the 40s.