ST. LOUIS, MO – The Gateway Arch glows against a still, mild morning sky — one of those fleeting fall sunrises that makes it easy to forget winter is waiting in the wings. By Friday, that illusion will peak with one more burst of warmth before another November cold snap begins pressing in from the Plains.
According to the National Weather Service in St. Louis, temperatures will climb into the lower 70s Friday afternoon, marking one of the mildest days left this month. Skies stay mostly sunny, though southwest winds may gust near 20 mph, stirring loose leaves across driveways and highways. Travel on I-70 and I-64 should remain smooth through late Friday, but a weak front could bring light rain to the metro area by Saturday evening.
Rain chances remain low — around 20% — yet a quick shower or two may dampen outdoor events across both sides of the river from Brooklyn, IL, to St. Charles, MO. After that, temperatures tumble sharply Sunday as high pressure brings back crisp, dry air. Highs will drop from the upper 60s Saturday to the low 40s by Sunday, with lows dipping into the 20s.
Looking ahead, Veterans Day Tuesday will bring sunshine but a noticeable chill, with highs around 60 after a frosty start. The longer-range pattern shows another push of Arctic air developing across the Midwest — a possible Thanksgiving season preview of what could become the first widespread winter outbreak.
Now’s the time to finish leaf cleanup, check heating systems, and secure patio furniture before the November weather flip arrives early next week.
Five-Day Forecast for St. Louis, MO:
Thu: 65/55 – Increasing clouds; light southeast breeze.
Fri: 72/46 – Mostly sunny; breezy and warm.
Sat: 67/35 – Spotty showers late; cooler evening.
Sun: 42/26 – Mostly sunny; breezy and much colder.
Tue (Veterans Day): 60/42 – Sunny; crisp start, mild afternoon.
