Frosty mornings expected across northern Illinois this weekend

Frost advisories and freeze warnings are in effect this morning across the Midwest, none of which contain counties here in the Stateline.

Temperatures are a tad too warm for frost to develop as most are starting out their day in the upper 30s. However, I do think with how overnight lows are trending for the weekend that we'll be seeing our fair share of frost and freeze alerts. 

The big headline today, gusty winds. Westerly winds will steadily increase after sunrise, gusting up to 35 to 40 mph at times this afternoon. 

Despite plenty of sunshine, today's wind will limit high temperatures to the mid to upper 50s. Winds will ease after sunset but remain breezy for the overnight hours. This is the main reason why we won't get in on widespread frost Saturday morning. 

Sunshine continues into the weekend. However, tomorrow will feature a northwesterly breeze, with  gusts up to 20-25 mph. This will further cool our afternoon highs, landing most in the low 50s. 

Winds lighten up into Saturday night. This will allow radiational cooling to be more effective, landing temperatures near the freezing mark (32°) by Sunday morning. Long story short, widespread frost will be likely. Frost will also be likely Monday morning as conditions remain quiet into early next week.