Overview
- A series of midweek cold fronts is pushing cooler, less humid air into many U.S. regions, with measurable drops in temperature and lower dew points expected by Thursday.
- Scattered showers and thunderstorms continue through midweek with locally heavy downpours and a low-end severe wind threat for parts of southeast Michigan under a Storm Prediction Center Marginal Risk.
- Coastal areas from the Gulf to the Atlantic should plan for breezy to gusty onshore winds and Small Craft Advisories Wednesday and Thursday that will create rough seas, higher rip-current danger, and hazardous conditions for small boats.
- Forecasters are monitoring a Central Atlantic disturbance about 600–800 miles east-southeast of Bermuda with roughly a 40% seven-day chance of tropical development that could influence weekend weather if it interacts with the upper-level low.
- Late-season heat will persist in pockets of the South, including multi-day 100°F readings in San Antonio, and officials warn repeated heavy downpours where storms train could cause urban and flash flooding so residents should keep local forecasts and marine alerts handy.