Extensive cloudiness mixed at times with passing sun. A few scattered, light lake-effect rain showers or sprinkles possible in lakeside counties of southeast Wisconsin, northeast Illinois and northwest Indiana. Northerly winds 7 to 18 mph. Partly cloudy, and seasonably cool at night. Overnight lows ranging from the mid 40s well inland to 51 O’Hare and 55 Chicago Loop and lakeshore.
A sun/cloud mix with SE winds 5 to 14 mph limited beach and lakeshore highs to the upper 60s while peak inland readings reach the mid 70s. Clouds increase and thicken Wednesday night, turning windy and not as cool. Scattered showers and possible thunderstorms may first arrive in the pre-dawn hours of Thursday morning.
Windy and warmer with increasing humidities. Showers and thunderstorms arrive in clusters Thursday, the heaviest capable of downpours. Southerly winds 12 to 24 mph and gusty propel daytime high temperatures into the mid 70s. Showers and thunderstorms continue Thursday night, some downpours continue possible until late. Winds shifting northwest overnight 12 to 24 mph and gusty sending cooler air cascading into the area by Friday morning.
Mostly cloudy with the chillier air sweeping into the region on gusty NW winds 12 to 26 mph and gusty. The steadiest rains will have exited the area early. But the incoming air mass is unstable and scattered light rain showers may redevelop afternoon. Clearing, colder overnight. Lows ranging from the mid 30s coldest inland locations to the mid 40s Chicago Loop and lakeshore.
Becoming more cloudy than not Saturday night. A cooler than normal period. WSW winds 8 to 18 mph.
Temperatures modestly below the 66 and 46-degree normal October 5th daily extremes.
Winds shift NW at 10 to 20 mph which ushers cooler air into the metro area.
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