Severe Threat Saturday
The good news is that 60s will be back tomorrow but the bad news is severe weather is a real possibility Saturday too. First things first though.... Portions of our area are in a marginal risk for severe weather for later tonight in to early Saturday with areas well south of the city in a slight risk. The main threat for tonight is large hail.
The greater threat for some damaging storms comes Saturday. The Storm Prediction Center has most of the area outlooked for slight risk of severe weather tomorrow with areas south and west of the city in an enhanced risk.
Slight risk means "scattered severe storms possible" while enhanced risk means "numerous severe storms possible". A chunk of western Illinois is in a moderate risk with "widespread severe storms likely".
The ingredients appear to be coming together for some strong, possibly damaging storms for especially late Saturday into Saturday night. A warm front will be nudging north across the area with a Pacific front acting as a dry line coming in from the west to aid in lifting some unstable air. A strong southerly jet stream will be transporting moisture rich air into our area as well. The greatest threat for tornadoes will be well southwest of us but a few could even spin up here.
This is a good time to make sure you have more than one way to receive weather alerts and to review your family's plans for staying safe in the event storms turn severe. A good place to start is https://www.ready.gov/severe-weather.
Here is my 7 day forecast:
Today: Patchy fog early, cloudy, sct. showers mainly late High: 52 (46 lakefront)
Saturday: On & off showers & sct. t-storms , breezy Low: 45 High: 64 (60 lakefront)
Sunday: Windy, mostly cloudy, cooler, sct. showers Low: 44 High: 54
Monday: Mostly sunny Low: 38 High: 54 (45 lakefront)
Tuesday: Partly to mostly cloudy, sct. shower possible Low: 39 High: 49 (44 lakefront)
Wednesday: Partly to mostly sunny Low: 37 High: 51 (45 lakefront)