Summary: While temperatures will gradually become warmer throughout the weekend, they arent expected to rise fast enough to avoid a potentially hazardous mix of winter weather on Sunday. Snow and sleet will be possible Sunday morning with freezing rain likely later in the day and into the nighttime, which could lead to dangerous travel conditions.
Tonight: Partly cloudy in the evening becoming clear overnight. Lows will be around 10 degrees with winds out of the northwest at 10 to 15 MPH.
Saturday: Mostly sunny with highs in the lower 20s. Winds will be out of the northwest at 5 to 10 MPH early in the day, becoming light and variable in the afternoon.
Saturday night: Partly cloudy with lows in the mid teens and winds out of the southeast at around 10 MPH.
Sunday: Cloudy with a slight chance of a wintery mix of precipitation in the morning, however light freezing rain will be likely in the afternoon and evening, with a transition to light rain expected after midnight. Daytime highs will be in the lower 30s, with temperatures remaining steady in the lower 30s overnight.
Your long-term forecast: Next week will start off with a warm front lifting through northern Illinois, resulting in daytime highs rising through the 40s, along with a good chance of rain Monday through Tuesday. Abnormally warm temperatures will be brief however, as a cold front will then pass through the region, and will bring a chance of rain showers transitioning to snow showers Tuesday night into Wednesday. Wednesdays highwill only reach the lower 30s, while overnight lows throughout the period will generally be decreasing from the upper 30s to the lower teens.