ST. LOUIS, MO – The air feels crisp and alive early this Tuesday morning as city lights shimmer off the Mississippi. Flags along the riverfront already tug at their poles, signaling what’s ahead — a breezy, bright stretch before clouds and cooler air take control later this week.
According to the National Weather Service in St. Louis, west winds will strengthen through the morning, gusting near 35 mph at times, especially along open corridors and bridges. Drivers on I-70 and I-64 should be prepared for crosswinds on higher spans. Despite the wind, skies will stay clear with highs in the upper 60s, ideal for outdoor work or fall errands before calmer weather midweek.
Wednesday and Thursday bring tranquil sunshine with highs near 65°F and lows in the 40s — classic late-October weather. But by Friday, the pattern shifts as moisture builds across Missouri and Illinois. Rain chances rise to 50%, particularly during the afternoon and evening. A few heavier pockets could develop near the Metro East, making for slower commutes and slick streets as temperatures dip toward the mid-50s.
Looking to the weekend, expect spotty showers early Saturday with some breaks of sun later in the day. Sunday trends drier and milder, offering a short reprieve before another weak front brings light rain chances early next week.
To be fair, no frost or freeze threat looms just yet — but the chill behind Friday’s system may mark St. Louis’ first real step toward the season’s colder phase. Enjoy the calm before the clouds.
Five-Day Outlook for St. Louis, MO–IL:
Tue: 67/43 – Sunny, breezy west wind.
Wed: 68/43 – Clear and mild.
Thu: 65/42 – Sunny, calm.
Fri: 60/50 – Rain developing.
Sat: 61/52 – Early showers, then clearing.