St. Louis woke up to clear, cool skies on Thursday morning, May 14, with temperatures sitting in the mid-40s before sunshine sends highs to about 76°F this afternoon. It is a dry, pleasant day for now, but do not get too cozy with the quiet weather. A batch of showers and thunderstorms is expected to roll in overnight into early Friday morning, with brief heavy downpours and gusty winds that could snag late-night plans and the Friday morning commute.
Afternoon: Sunny Skies, Light Southeast Breeze
Most of the metro will see plenty of sun, lifting readings into the mid-70s with a light southeast wind of 1 to 8 mph. Humidity stays comfortable through the afternoon before ticking up tonight as southerly flow returns. It is a solid window for outdoor plans, just be ready for the day to end on a soggier note.
Tonight Into Friday Morning: Storm Timing And Impacts
There is a slight chance of showers late tonight, roughly between 3 and 4 a.m. Friday, followed by a higher chance for showers and thunderstorms during the Friday morning commute, around 7 to 8 a.m. Some storms could produce heavy rain and gusty winds. Friday's high climbs to near 83°F with south winds gusting up to about 23 mph. The National Weather Service has the latest timing and short-term updates for the area.
Weekend Outlook: Warm, Humid And Stormy At Times
Warm, humid air builds through the weekend, with highs near 86°F on Saturday and a much hotter Sunday close to 92°F. Showers and thunderstorms are likely Saturday and Saturday night. Widespread severe weather is not expected, but localized heavy downpours and brief strong gusts are still on the table. Forecasters also point to a stronger front early next week that could help organize storms Monday or Tuesday, so it is worth keeping an eye on updated forecasts.
Plan Ahead
Plan for extra travel time Friday morning between about 6 and 9 a.m., and have a backup plan ready for Saturday outdoor events in case storms bubble up. If you are heading out Sunday, expect summer-like heat and bring water and sun protection. This post updates our May 11 forecast with detailed timing and weekend heat expectations.
