Some clouds and the chance of fog patches some locations as the day gets underway. A sun/cloud mix follows, modestly lower daytime highs inland; more pronounced cooling will become evident lakeshore locations as winds ride ashore off Lake Michigan. Temperatures start out in the mid 40s to mid 50s and warm to near 70 mildest locations well inland but to 67 O’Hare and the low 60s on area beaches. Scattered clouds, cool overnight. East winds ease and veer southeast by morning.
Winds increasing 10 to 22 mph by afternoon, and 12 to 22 mph Friday night. Daytime highs surge 10-degrees higher than on Thursday. Clouds increase Friday night, breezy and warmer. Thickening clouds, sight chance of a few isolated thunderstorms overnight impacting just 10 to 20% of the metro area.
Sun filters through more clouds and windy with SW winds gusting over 25 mph. Humidities creep higher. Highs surge into the lower 80s. Slight chance of a thunderstorms early. A better chance of gusty showers and thunderstorms in the afternoon into Saturday evening and night. Showers and thunderstorms diminish and end from the west overnight as winds shift to the northwest.
Clouds may build later in the day, but even more so Sunday night as northwest daytime winds 11 to 23 mph become more northerly. Some lake-effect sprinkles or rain showers possible Sunday night, most of which feed into northern Indiana. But the northeast Illinois/southeast Wisconsin shorelines may be brushed by some of the showers for a time. Sunday afternoon highs 8° or more cooler than on Saturday holding to the low/mid 70s.
Chance of a lake-effect rain shower in a few spots near Lake Michigan, gradually give way to mostly sunny skies, especially along the lakefront where an on-shore northeast breeze will hold readings in the upper 50s to lower 60s. Clearing skies and cool overnight. North to more northwest winds 10 to 20 mph, easing Monday night.
An east to southeasterly component to the winds keep readings along the lakefront, especially Chicago north in the lower 60s, while temperatures reach the middle to upper 60s away from the lake. Clear and cool overnight.
Afternoon highs reach in the lower to possibly middle 70s. Increasing high cloudiness at night. Southerly winds.
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