Thunderstorms, Rain Sticks Around In IL

A week of active weather is possible for the Chicago area, starting with a chance of thunderstorms on Sunday evening. The National Weather Service said showers are expected to develop along a cold front on Sunday afternoon and move into parts of the region by the evening. A few thunderstorms will be possible mainly north and west of a Waukegan to DeKalb to Dixon line.

Monday could also feature some showers and thunderstorms, and it will be warmer with a high of 76 degrees. The NWS said the greatest thunderstorm chances will be along and south of I-80 during the afternoon and evening. A few storms could be strong with a threat of small hail and gusty winds.

Tuesday should be mostly dry with a chance of showers in the morning, according to the NWS. It will be slightly cooler with a high of 63 degrees. Another storm system is possible on Wednesday and into Thursday. The rain on these days could lead to renewed river rises and additional flooding.

Friday looks to be a day free of rain, and will be partly sunny with a high of 59.

Here is a more detailed look at the weather for the week ahead:

• MONDAY: A slight chance of showers between 10 a.m. and 1 p.m., then a chance of showers and thunderstorms after 1 p.m. Mostly cloudy, with a high near 72. Southwest wind 5 to 10 mph becoming north in the afternoon. Winds could gust as high as 15 mph. Chance of precipitation is 50%.
• MONDAY NIGHT: A chance of showers and thunderstorms. Cloudy, with a low around 44. North northeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 50%.
• TUESDAY: A 20 percent chance of showers before 1 p.m. Mostly cloudy, with a high near 56. Northeast wind 10 to 15 mph, with gusts as high as 20 mph.
• TUESDAY NIGHT: A 50 percent chance of showers after 1 a.m. Mostly cloudy, with a low around 44.
• WEDNESDAY: Showers likely. Cloudy, with a high near 59. Chance of precipitation is 60%.
• WEDNESDAY NIGHT: Showers likely and possibly a thunderstorm. Cloudy, with a low around 52.
• THURSDAY: Showers likely and possibly a thunderstorm before 1 p.m., then a chance of showers and thunderstorms after 1 p.m. Cloudy, with a high near 66.
• THURSDAY NIGHT: Mostly cloudy, with a low around 43.
• FRIDAY: Partly sunny, with a high near 59.
• FRIDAY NIGHT: Mostly cloudy, with a low around 42.