Check out this mid-afternoon decrease in temperature as you go from SE to NW. These temperatures taken at the same time from Miami all the way to the Arctic Coast of Alaska:
80 in Miami
76 Tampa
70 Montgomery
65 Tuscaloosa
32 Memphis
21 Fayetteville, Ark., home of the Razorbacks
9 Kansas City
7 Omaha
-6 Huron, S. Dak., wind chill -25
-16 Williston, N. Dak., wind chill -36
-26 Churchill, Manitoba, polar bear capitol of the world
-28 Mayo, Yukon, NW Canada
-15 Fort Yukon, Alaska
26 above zero Deadhorse with snow and freezing fog
22 Barrow, snow, blowing snow (24 hours of darkness)
North Alaska in a “warming trend”