Illinois Weather Alert: Fog, Rain, and Thanksgiving Snow Chances for the Chicago Area This Week
The Chicago region is preparing for a dynamic weather pattern this week as fog, rain, and a shot of late-week snow all line up just in time for the holiday rush. From sluggish morning commutes to a cold Thanksgiving and potential snow showers afterward, residents are being urged to stay aware of rapidly shifting conditions.
Early Week: Dense Fog and Cloudy Skies
The week begins with patches of dense morning fog, especially in low-lying and suburban areas. Visibility may drop sharply during early commuting hours, making slower speeds and extra caution essential for drivers. Temperatures will start off near the upper 30s to low 40s, rising into the 50s under a blanket of increasing cloud cover.
As the day progresses, the fog lifts but skies remain mostly gray. This calm start acts as the lead-in for more active weather headed toward northern Illinois.
Midweek Systems: Rain Returns and Winds Strengthen
Rain is expected to move into the Chicago area late Tuesday and continue into Wednesday. While totals look moderate, the timing could affect both morning and evening travel. Drivers should prepare for slick roads, ponding in low spots, and reduced visibility, especially during heavier bursts.
Winds will also begin to increase, ushering in colder air behind the system. Gusty conditions could make temperatures feel several degrees cooler than what the thermometer shows.
Thanksgiving Day: Cold, Breezy, and Seasonally Crisp
Thanksgiving Day will bring a noticeable shift as a colder, drier airmass settles over Illinois. While the rain will be gone by sunrise, temperatures will struggle to climb. Morning lows will drop below freezing in some locations, creating a frosty start for early travelers.
Afternoon highs will reach only the mid-30s to low 40s, and persistent breezes may make outdoor gatherings feel even chillier. Those hosting or traveling for holiday meals should plan for extra layers and possibly some icy patches on walkways or vehicles.
Holiday Weekend: Snow Showers Possible
Attention then turns to the next system moving in Friday and Saturday. Forecast models suggest a chance for light snow showers or a rain-snow mix, particularly during colder overnight periods. While significant accumulation isn’t expected at this time, brief snow bursts could lead to slippery roads and reduced visibility.
Anyone traveling home after Thanksgiving should keep an eye on updates, especially if driving early in the morning or late at night when temperatures dip.
What Residents Should Keep in Mind
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Travel delays are possible due to fog early in the week and wet roads midweek.
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Dress warmly for Thanksgiving — wind chills may feel below freezing.
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Monitor forecasts closely if you have holiday travel plans Friday or Saturday.
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Prepare vehicles with winter essentials: windshield washer fluid, blankets, and properly inflated tires.
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Expect quick temperature shifts, which can cause surprise frost or icy conditions.
A Full Week of Weather Variety
This week brings the Chicago area nearly every kind of November weather — from foggy mornings and steady rain to a bright but cold Thanksgiving and a chance for snow to wrap up the long weekend. Staying prepared and keeping an eye on developing forecasts will help residents move through the holiday stretch safely and smoothly.
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