Dry and mild weather will return to the Chicago area for the start of the workweek, before rain and cooler temps are expected, along with a chance for the first snowfall of the season, according to the National Weather Service.
The high for Monday is 63, followed by 64 degrees on Tuesday, according to the current forecast.
"Areawide chances for rainfall return on Wednesday," the weather service shared. Wednesday's high is 61 degrees, before cooler temperatures move into the area on Thursday and Friday, which will both have highs in the 40s.
The weather service said lake effect showers will develop and move into areas of northwestern Indiana and maybe northeastern Illinois.
The area could see some snowflakes mix in with lake-effect showers on Thursday night and Friday night, according to weather service graphics.
Chicago typically sees its first trace of snow on Oct. 31, so we have passed that for this year. The latest first date for a trace of snow happened in 1999, when snow finally fell on Dec. 5, according to weather service data.
We are also approaching the typical first date for "measurable" snow (.1 inches or more), which is Nov. 18. The latest first date for measurable snow happened a few years ago in 2021, when measurable snow didn't fall until Dec. 28, weather service data shows.
Here is a more detailed look at the weather for this week for the Joliet area, per the weather service:
MONDAY: Mostly sunny, with a high near 60. Light and variable wind becoming west southwest 5 to 10 mph in the afternoon.
MONDAY NIGHT: Mostly clear, with a low around 43. Southwest wind 5 to 10 mph becoming west northwest after midnight. Winds could gust as high as 15 mph.
TUESDAY: Sunny, with a high near 61. Northwest wind around 5 mph becoming calm in the afternoon.
TUESDAY NIGHT: Mostly cloudy, with a low around 39. Calm wind.
WEDNESDAY: A 40 percent chance of showers after noon. Mostly cloudy, with a high near 56. Light and variable wind becoming north 5 to 10 mph in the afternoon.
WEDNESDAY NIGHT: A 30 percent chance of showers, mainly before midnight. Mostly cloudy, with a low around 39.
THURSDAY: A 40 percent chance of showers. Mostly cloudy, with a high near 43.
THURSDAY NIGHT: A chance of rain. Mostly cloudy, with a low around 32.
FRIDAY: Partly sunny, with a high near 43.
FRIDAY NIGHT: Partly cloudy, with a low around 29.
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