Season’s First Snowflakes Expected Overnight Sunday into Monday
A weather system moving into the region, mostly bringing rain, is expected to deliver the season’s first snowflakes as temperatures fall into the 30s, according to weather officials.
“It’s not a big deal, but there might be slushy grass and walkways with less than an inch of flakes,” said Birk.
Upcoming Weather Forecast
- Thursday: Highs near the upper 50s with showers and thunderstorms likely overnight.
- Friday: Showers continue into the day.
- Saturday: Rain is likely in the afternoon, with mostly cloudy skies and highs around 50 degrees.
- Before 3 a.m. Sunday: Temperatures expected to drop to about 35 degrees, leading to a mix of rain and snow.
Precipitation chances on Saturday are estimated at 90% by officials.
Current Conditions
At O’Hare and Midway airports, conditions are partly cloudy with temperatures at 55 degrees. Winds range from 5 to 10 mph, with gusts near 20 mph expected Thursday night.
Showers and possible thunderstorms are forecast between midnight and 3 a.m., according to the National Weather Service.
Additional Weather Details
- Wind gusts are predicted to increase overnight, coinciding with a 90% chance of showers.
- Lake effect snow is possible Sunday night through Monday night, with temperatures remaining in the 30s.
Chicago Weather Context
These conditions align with what is typical for the region’s first freeze and snow of fall.
Summary: The approaching weather system will bring rain and the season’s initial snowflakes as temperatures drop, causing brief wintry conditions mainly overnight Sunday into Monday.