Despite warm air in Chicago this week, rain and thunderstorms are possible for Mother's Day on Sunday.
Temperatures will sink into the low 70s this weekend. Overnight temperatures Saturday night will hover around the 55 F mark.
For the first day of the weekend, the sun will return for parts of the afternoon Saturday, but thunderstorms will come back to Chicago for Saturday evening.
Showers and thunderstorms will last through Saturday night, and showers will continue throughout the day on Mother's Day. While the afternoon will be storm-free for the holiday Sunday, storms will roll back into the city Sunday night, possibly impacting holiday activities.
The city will have another chance for a thunderstorm on Monday.
Hawaii will escape the worst, but not all of Guillermo's impacts as the tropical storm passes north of the islands Wednesday through Thursday.
A line of violent thunderstorms tore across Massachusetts, including the Boston area, Tuesday afternoon. Isolated severe thunderstorms will continue into Tuesday evening.
The Northeast will catch a break from heat and humidity for the remainder of the week.
Super Typhoon Soudelor in the western Pacific Ocean will remain a powerful tropical cyclone this week eventually threatening Taiwan and eastern China.
An area of low pressure spinning off the coast of the Carolinas is attempting to obtain some tropical characteristics.
Two spectators were killed and at least another 32 people were injured Monday evening, as strong storms forced a circus tent to collapse in Lancaster, New Hampshire.