ILLINOIS — Humidity will build back into the Chicago area mid-week, and push heat index values closer to 100 degrees, according to the National Weather Service. There are also several chances for storms in the forecast this week.
Tuesday, Wednesday and Thursday will all be humid, with daily storm chances during that mid-week stretch. There is a limited thunderstorm risk on Tuesday; and an elevated storm risk with a level 1 of 5 severe storm risk on Wednesday and Thursday.
The weather service said isolated storms are possible Tuesday afternoon south of Interstate 80.
Then, showers and storms are expected Wednesday, Wednesday night and Thursday, the weather service said. There is a potential for severe storms capable of producing damaging winds, as well as a risk of local torrential rainfall.
Looking ahead, there is also a limited thunderstorm risk on Saturday and Sunday, according to the weather service.
Monday will have a high of 90, Tuesday a high of 91, Wednesday a high of 91, Thursday a high of 88 and Friday a high of 83 degrees.
"The more humid conditions will invite the potential for thunderstorms to return to the area, particularly Wednesday into Thursday," the weather service said. "Sunny and seasonably warm conditions" are expected Monday, but the rain chances could return as early as Tuesday, according to the weather service.
Here is a look at the daily forecast, per the weather service:
MONDAY: Sunny, with a high near 88. Calm wind becoming west southwest around 5 mph in the afternoon.
MONDAY NIGHT: Mostly clear, with a low around 67. West wind around 5 mph becoming calm in the evening.
TUESDAY: Sunny, with a high near 91. Heat index values as high as 96. Light south wind increasing to 5 to 10 mph in the morning.
TUESDAY NIGHT: Partly cloudy, with a low around 72. South wind around 5 mph, with gusts as high as 10 mph.
WEDNESDAY: A slight chance of showers, then a chance of showers and thunderstorms after 1 p.m. Mostly sunny, with a high near 90. South southwest wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 40 percent.
WEDNESDAY NIGHT: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71.
THURSDAY: Showers and thunderstorms likely, mainly after 1 p.m. Partly sunny, with a high near 85. Chance of precipitation is 60 percent.
THURSDAY NIGHT: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
FRIDAY: Partly sunny, with a high near 82.
FRIDAY NIGHT: Partly cloudy, with a low around 64.
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