Chicago residents can expect a variable weather forecast over the coming days, with scattered showers and potential thunderstorms on the horizon. According to the National Weather Service Chicago/Romeoville IL, today sees a chance for isolated thunderstorms late in the afternoon through evening, mainly northeast of a Rockford, IL to Rensselaer, IN line. Partly sunny conditions will prevail, with highs near 66 degrees and an east-northeast wind at 10 to 15 mph, with gusts as high as 25 mph.
Tonight, the chance of thunderstorms continues at 50%, with mostly cloudy skies expected and a low of around 57 degrees. Moving into Sunday, there's a 30 percent chance of showers after 1 pm, under mostly sunny skies, and a high near 64. The winds are set to pick up, shifting from the north-northeast at 10 to 15 mph to the west-northwest in the afternoon, capable of gusts up to 30 mph, the National Weather Service reports. On Sunday night, the chance of showers increases to 40 percent.
As Columbus Day approaches, Chicagoans should prepare for continued instability in the weather. There is a 40 percent chance of showers and mostly sunny conditions on Monday, with high temperatures expected to peak around 57 degrees. The National Weather Service advises that Monday night could see showers likely before 1 am, while the low temperature drops to around 43 degrees. As the week progresses, the outlook suggests a 40 percent chance of showers on Tuesday before 1 pm and a subsequent clearing in the skies at night.
The weather shift becomes more palpable midweek, as sunny conditions are forecasted for Wednesday and Thursday, with highs nearing the upper 50s and 60s, respectively. By Friday, Chicago should experience a high near 69 degrees under sunny skies. However, Monday, Tuesday, and Wednesday nights carry an elevated frost risk outside of the city, as per a hazardous weather outlook issued by the National Weather Service.
For those situated along the Illinois and Indiana shores of Lake Michigan, hazardous conditions for small craft are expected today and tonight, with thunderstorms posing a limited risk. Gale-force winds and hazardous waves are in the forecast for Sunday and Monday, which alongside a limited thunderstorm and waterspout risk, could make marine activity treacherous. The National Weather Service emphasizes unpredictable conditions into the early week, suggesting that hazardous conditions for small craft are likely on Tuesday and Wednesday.
Scattered showers are expected this afternoon/evening with a 20-30% chance for a few storms. Breezy conditions return on Sunday driving the first big cool-down this fall early next week. The risk for frost and even a freeze is possible next week outside of Chicago. #ILwx #INwx pic.twitter.com/kglCjYDPQ8
— NWS Chicago (@NWSChicago) October 12, 2024
Residents are reminded to stay aware of weather updates as these conditions may evolve. The forecasting and warnings issued by the various outlets underscore the importance of being prepared for swift changes in the weather, especially as the season transitions and brings about the first significant cool-down of the fall, according to a remark on X by NWS Chicago.
