Weather
Missouri-Illinois Weather Alert: St. Louis Freeze Friday, Nov 11-15
St. Louis, MO – A nearly 70 degree afternoon will give way to freezing temperatures across the St. Louis metropolitan area within days, bringing a sharp November weather reversal.
By Dylan Reeves · 2026-11-11T10:02:24.711Z
St. Louis, MO – A nearly 70 degree afternoon will give way to freezing temperatures across the St. Louis metropolitan area within days, bringing a sharp November weather reversal.
Wind gusts approaching 30 mph will accompany the initial change before temperatures tumble into the upper 20s Friday night.
The dramatic shift could affect outdoor workers, homeowners and commuters across St. Louis County, Missouri, and neighboring St. Clair and Madison counties in Illinois.
According to the National Weather Service, the forecast point near Brooklyn, Illinois, calls for a high near 69 degrees Wednesday, November 11.
Southwest winds will increase to 12 17 mph during the afternoon, with gusts reaching 28 mph.
Thursday Brings a 19 Degree Temperature Drop Thursday, November 12, introduces the first major change.
Temperatures will struggle to reach 50 degrees, a 19 degree decline from Wednesday's projected high.
Scattered sprinkles are possible before 1 p.m., followed by isolated showers between 1 and 3 p.m.
The precipitation probability remains relatively low at 20%.
Northwest winds of 10 15 mph could gust to 24 mph, adding a brisk edge to the afternoon.
Drivers along Interstate 64, Interstate 70 and Interstate 55 should remain alert for gusty conditions and isolated wet pavement.
Friday Night Freeze Becomes the Bigger Concern The more significant temperature change arrives Friday, November 13.
Mostly sunny skies return, but afternoon temperatures only reach approximately 45 degrees.
By Friday night, temperatures are expected to fall to 28 degrees.
That represents a 41 degree difference between Wednesday's afternoon high and Friday night's projected low.
The cold could damage sensitive plants, affect exposed outdoor plumbing and create frost on vehicles.
Residents should consider protecting vulnerable vegetation and disconnecting garden hoses before temperatures fall below freezing.
Any remaining moisture on untreated surfaces could freeze, although widespread icy roads are not specifically predicted.
Polar Air Spreads Across the Central United States The NOAA Weather Prediction Center is tracking an unusually strong cold air outbreak across much of the central and eastern United States.
Its November 11 discussion highlights falling temperatures and widespread freezing conditions extending southward later in the week.
For the St. Louis metro, the supplied local outlook supports a sharp cooldown rather than a significant winter storm.
No snow accumulation or specific tornado threat is indicated in the local forecast.
Saturday and Sunday Bring Sunshine, but Cold Nights Continue Saturday, November 14, brings sunshine and temperatures near 47 degrees.
However, Saturday night could fall to 28 degrees again, extending the freezing conditions.
Sunday, November 15, offers modest improvement, with mostly sunny skies and temperatures near 50 degrees.
Sunday night remains chilly, with lows around 31 degrees.
The weekend should provide opportunities for yard cleanup and outdoor preparations, although residents should dress for the colder mornings.