This week, the Midwest faces a rollercoaster of weather conditions! From a wet Wednesday with potential heavy rainfalls to a sunny Sunday, keep up with all the updates right here.

Meteorologist Amy Freeze tracks a significant weather shift across the Midwest with detailed daily forecasts highlighting the fluctuations from chilly rains to warming trends. Learn how these changes affect your week from Chicago to St. Louis with insights only Amy can provide. On the Regional Radar, a significant line of rain is sweeping through parts of the Midwest, stretching from Kansas City, moving northeast toward Chicago and Detroit. Des Moines is getting some rain showers currently. Heavy rainfall is also impacting St. Louis, moving towards Springfield, with showers extending into central Illinois near Peoria. Clouds are thickening ahead of this system, bringing rain showers and potential isolated thunderstorms. Indianapolis appears to have cloudy skies preparing for incoming rain, whereas Bowling Green and Fort Wayne are experiencing overcast conditions but staying dry for the moment.
Afternoon temperatures in Chicago are steady at 58 degrees with northeast winds around 10 miles per hour. Expect rain to continue into the evening, providing consistent showers. As we move toward 8 PM, a slight increase to 59 degrees is anticipated, with winds calming to 7 miles per hour. Keep your umbrellas handy!
Today Chicago will see a mild day with a high of 73 degrees, while St. Louis warms up to 78. Des Moines is set at 77, and Kansas City matches that with 77 as well. Moving to the southern parts of the region, Indianapolis reaches 86, and Louisville is even warmer at 87. In contrast, Peoria experiences a cooler 68 degrees, highlighting a notable temperature drop in that area. As we look toward the Ohio Valley, Columbus hits 87, while Charleston soars to a high of 89 degrees.
Tonight Chicago will drop to 57 degrees, while Des Moines cools off to 61. Expect a low of 66 in Indianapolis and 67 in St. Louis. Notably, Fort Wayne will see a chilly night at 57 degrees, and Louisville will cool to 69.
Tomorrow in the Midwest, temperatures will soar as St. Louis reaches a high of 80 degrees. Chicago, enjoying a mild day, is expected to hit 70. Indianapolis will see highs around 78, while Peoria pushes to a warm 79. Charleston will be the hot spot at 88 degrees, well above average for this time of year. This warm trend is influenced by a high-pressure system settled over the region, leading to generally clear skies and pleasant conditions.
A strong line of storms is expected to impact the Midwest tomorrow, particularly from Kansas City to Indianapolis, including Chicago and St. Louis. These storms may bring isolated heavy downpours and gusty winds, so keep an umbrella on hand and stay alert for any brief heavy rain periods. The day will start with mild temperatures but drop behind the front, leading to a cooler, breezy Thursday with clearing skies.
The UV index in Chicago is moderate on Wednesday with a value of 4, allowing for a burn time of approximately 35 minutes under direct sunlight. Looking ahead to Thursday, expect a very high UV index of 9, significantly increasing sun exposure risk with a burn time of just 15 minutes.