Weather Pattern Change: Heat Wave Ahead in Chicago

Last week, in North America, the jet stream dipped south across the East, which brought cooler temperatures to the East, Midwest, and even deep South.States in these areas experienced below-average and record low temperatures for the month.  The temperature in Chicago didn't rise above 75 degrees, which was particularly below average. Arkansas's temperatures got as low as 49 degrees on last Tuesday. But all of that is soon to change.

The jet stream has lifted in the Midwest and East, and is dipping south across the West. Therefore, the Midwest and East will experience a heat wave the week of August 30, 2015, with temperatures climbing back up to the 90s. In Chicago and New York City it is expected to be in the upper 80s, around five to ten degrees above average. 

However this jet stream shift brings good news to the West, which is surviving one of the hottest summers on record. Most of Washington and Oregon experienced temperatures in the upper 80s and 90s this month. This hot and dry weather has caused wildfires to spread across the Northwest. By the jet stream dipping south across the West, the temperatures will drop down to the 70s and most of the states should receive some rainfall and heavy winds.