Stay ahead of Chicago’s weather curve with Amy Freeze’s updates. From heat waves to thunderstorms, know what to expect outside your front door.

This week in Chicago sees a rollercoaster of weather conditions, expertly detailed by meteorologist Amy Freeze. Expect a mix of high temperatures, sudden rainfalls, and cloudy intervals as a significant weather system moves through the region. With temperatures fluctuating from the high 80s to the mid-60s, and potential flash flooding on the radar, Amy provides all the essential tips to keep you safe and comfortable no matter the weather.
A significant weather system is advancing towards the Midwest, with substantial rain and storms brewing over Kansas City, stretching towards Des Moines. St. Louis can expect lighter showers as the system moves eastward. Cloud cover is increasing around Peoria and Chicago, setting the stage for potential showers later in the day. Fort Wayne and Detroit are currently experiencing clear conditions, but should stay alert for incoming weather changes. Cities like Indianapolis and Columbus are enjoying calm skies for now.
For tomorrow morning in Chicago, temperatures will start at 66 degrees at 8 AM with a west-southwest wind blowing at 9 miles per hour. The rain continues through the morning as temperatures lower to 64 degrees by 10 AM, with winds shifting to the west at 11 miles per hour. By noon, expect the temperature to further drop to 60 degrees with the wind coming from the north at 11 miles per hour, while the rain persists.
Tomorrow Indianapolis is set to reach a hot 85 degrees, while Louisville will soar to 89 degrees, making it one of the warmest spots. Charleston and Bowling Green both expect a high of 90 degrees, indicating a noteworthy heat wave across the lower region. In Kansas City and Des Moines, temperatures will be milder, hitting 77 degrees. Meanwhile, Chicago remains on the cooler side at 68 degrees, as it feels the effects of an incoming front.
A cold front is sweeping through the Midwest, pushing into regions from Des Moines to Indianapolis by Tuesday evening. Expect heavy rain and possible thunderstorms as this system moves through. St. Louis and Peoria are likely to experience localized downpours and gusty winds through Tuesday night, with rainfall extending into Chicago by late evening. Watch for potential flash flooding in areas with saturated grounds. Temperatures will dip slightly after the front’s passage, bringing cooler, drier conditions by midweek.
The UV index in Chicago is expected to be high today at 7, with a sunburn possible in just 20 minutes. On Wednesday, the UV index lowers to 4, allowing for a more moderate burn time of 35 minutes. Be proactive about sunscreen and protective clothing, especially today as the sun shines strong! Tomorrow’s decrease means slightly less intense sun exposure, but precautions are still advisable.
For the 7 Day Outlook in Chicago: Tuesday: Thunderstorms expected late with a high of 89 degrees and a low of 66. Wednesday: Partly cloudy skies as temperatures cool to a high of 68 degrees, with a low of 54. Thursday: Cloudy with temperatures reaching up to 74 degrees for the high and dipping to 58 for the low. Friday: Partly cloudy day, the high will be around 69 degrees and the low 56. Saturday: Mostly clear conditions with a high of 72 degrees and a low of 58. Sunday: Showers early, then clearing with the temperature climbing to 76 degrees, and the low will be 57. Monday: Enjoy partly cloudy conditions with a high of 73 degrees and cooling down to 56 at night.