There is a battle going on between very cold air to the north and the warmer air to the south. Heading into the weekend, the warmer air will win that battle.
Wednesday was not as cold as recent days, but it still felt brisk at times despite a lot of sunshine.
A few more clouds will drift in for today and Friday, but both days should stay dry.
As the warmer air starts to win out, there could be a couple of rain showers around on Saturday. Even so, much of the day will be dry.
For those heading to Soldier Field to watch the Bears play Sunday afternoon, it will be an unusually mild December game. Temperatures at kickoff will be around 57 degrees under partial sunshine.
Afternoon temperatures will rise into the 50s over the weekend, even nearing 60 degrees by Monday.
What may be more significant, though, is the overnight low temperatures.
Some overnight temperatures may not drop much below 50 degrees. That is quite remarkable considering that the average low temperature for early December in Chicago is in the middle 20s.
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Heat and humidity surging from the Great Lakes and Ohio Valley into the Northeast will be the key ingredients for severe weather to develop Tuesday and Tuesday night.
A bout of locally heavy rain will impact northern and western areas of the United Kingdom Sunday night into Tuesday as moisture from Gert crosses the British Isles.
The government of Portugal has issued a state of public calamity as wildfires continue to burn across the country ahead of a weekend heat wave.
Following the formation Tropical Depression Harvey, two additional tropical feature are being monitored in the Atlantic basin but development at this time seems unlikely.
After drenching the Windward Islands, Harvey will continue to track toward Central America and may bring dangerous conditions early next week.
A renewed threat for severe weather and flooding will emerge over the midwestern United States spanning late Sunday into Monday.
A local festival turned deadly after severe thunderstorms tore through northwestern Austria on Friday night.
On Monday, Aug. 21, the event that millions have anticipated will unfold when the moon passes directly in front of the sun.