Changes are on the way beginning late tonight. A strong cold front will move across north and central Georgia late tonight and Friday. Behind the front winds will become northwest 10 to 20 mph... increasing to 15 to 25 mph Friday. Much colder temperatures will also spread across the region behind the front. High temperatures on Friday will range from the upper 40s and 50s in the mountains, the 60s across the rest of north Georgia...and the 70s across central Georgia.