Summer Heat Set to Return by the End of the Week

It's been a nice break from the summer heat and humidity we're typically used to this time of year, but it looks like the heat will return by this upcoming weekend.

A shift in the jet stream pattern, which has brought record breaking heat to the southwest and up the west coast this past week, will allow that heat to shift east by the end of the week and weekend. 

Temperatures will remain in the low 80's through Thursday afternoon, but the arrival of a warm front during the day Friday will bring temperatures back into the mid 80's. 

Temperatures reaching 90 degrees are certainly possible beginning Saturday, possibly lasting through early next week.  The limiting factor would be any showers or thunderstorms towards the end of the weekend.

The main branch of the jet stream will be pushed northward through the weekend, but could remain close enough to keep thunderstorm chances over Wisconsin and Illinois Sunday into Monday.  This could limit just how hot it gets during that time.  However, if thunderstorms remain limited then temperatures could easily warm into the low 90's through early next week.