St. Louis, MO – Clear skies and comfortable fall temperatures will dominate the forecast through Thursday, offering a welcome break after recent storm chances. Commuters and outdoor workers can expect calm, sunny days across eastern Missouri and southwest Illinois before cooler air arrives by the weekend.
According to the National Weather Service in St. Louis, a slight chance of isolated thunderstorms lingers this morning, but conditions quickly improve by midday. Sunshine will return Wednesday and continue through Thursday, with highs near 74°F and light north winds. By Friday, a crisp autumn chill will move in, dropping overnight lows into the mid-40s.
Residents planning fall activities — from pumpkin patch visits to Halloween decorating — will find ideal weather Wednesday through Friday. Clear skies and mild humidity create perfect conditions for outdoor projects and leaf viewing.
Drivers on I-70 and I-55 should see smooth travel conditions through late week, with no hazardous weather expected through Monday.
Five-Day Outlook:
- Tuesday: Slight chance of storms, high 74°F.
- Wednesday: Sunny, high 74°F.
- Thursday: Sunny, high 73°F.
- Friday: Sunny and cooler, high 78°F, low 45°F.
- Saturday: Mostly sunny, high 81°F.
Enjoy the sunshine while it lasts — fall’s first true chill could be around the corner next week.