Winter is coming to the Windy City, and that means snow isn’t far behind. Meteorologists are already making predictions about when Chicago residents can expect to see the first snowflakes of the season.
Whether you’re dreading the white stuff or can’t wait to build a snowman, here’s what weather experts are saying about Chicago’s first snowfall this year.
1. It’s Not Expected In September

Morning temperatures may be dropping, but don’t grab your snow shovel just yet. Chicago’s meteorological records show that September snow is extremely rare in the city’s history.
The earliest recorded snowfall happened way back on September 25, 1928 – but that’s considered a meteorological anomaly rather than something to expect. Most forecasters agree we’re safe from snow for at least another month.
2. October Flurries Are Possible

Halloween decorations and snowflakes occasionally mix in Chicago’s weather history. Historical data shows light flurries have surprised trick-or-treaters in past years, though they rarely stick around for long.
The ground typically remains too warm in October for meaningful accumulation. Any flakes that do appear usually melt on contact with surfaces, creating more of a seasonal preview than a winter wonderland.
3. November Is More Likely

Mark your calendars for mid-November if you’re eager to see the season’s first real snowfall. Weather data points to early to mid-November as the most common timeframe for Chicago’s first measurable snow.
Specifically, the window between November 5th and 20th historically brings that first accumulation of at least 0.1 inches. Of course, Mother Nature doesn’t always follow the averages – some years see earlier dustings while others hold off until December.
4. Temperature Swings Will Continue

Chicagoans know all too well the rollercoaster ride of fall temperatures. Weather models predict above-normal temperatures through early October before the inevitable plunge arrives.
Meteorologists watch for consistent overnight lows below freezing as the key indicator that snow possibilities are increasing. The classic Chicago pattern of “jacket in the morning, t-shirt by afternoon” typically continues right up until snow season begins.
5. Early Snow Rarely Sticks Around

Consider the first snowfall more of a dress rehearsal than the main performance. Initial snow accumulations typically melt within 24-48 hours as ground temperatures remain relatively warm through early winter.
While these first flakes may not create lasting winter scenes, they certainly impact morning routines. Even a light coating can affect commute times and school schedules as the city reacquaints itself with winter driving practices.
6. Snowfall Totals Vary Dramatically Year To Year

Weather records reveal Chicago’s first measurable snow can range from barely noticeable to surprisingly substantial. Some years bring mere dustings while others deliver several inches right out of the gate.
Long-range forecasting models currently show no major snowstorm threats for the next 2-3 weeks. Historical patterns suggest most early-season events produce between a trace and 2 inches, though occasional outliers have dumped 6+ inches during November storms.
7. Wind And Cold Will Arrive First

Before snowflakes appear, biting winds usually make their presence known. Meteorologists track strong cold fronts that bring gusty northwest winds and plummeting temperatures as precursors to snow potential.
Frosty mornings with visible breath clouds typically precede actual snowfall by days or weeks. The combination of wind and cold creates the infamous Chicago wind chill factor that makes temperatures feel significantly lower than thermometer readings suggest.
8. Forecasters Urge Preparedness

Weather experts recommend using the snow-free period to prepare rather than procrastinate. Simple steps like checking tire tread, replacing wiper blades, and stocking up on windshield washer fluid can prevent headaches once winter weather arrives.
Home preparation matters too – from finding snow shovels buried in garages to testing snow blowers before they’re urgently needed. Many Chicagoans have learned through experience that waiting until the forecast shows imminent snow often means facing empty store shelves.
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