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Dangerous Heat This Week

First Look: Independence Day Forecast

An Extreme Heat Warning is in effect for the St. Louis region, and a Heat Advisory is in effect elsewhere. Expect heat index values of 105-110F through Thursday. Prolonged heat with little relief overnight increases the chance of heat related illness, especially for vulnerable and exposed populations. Find out exactly how hot your location will be at weather.gov/stlouis.

Hot and humid weather will likely linger through July 4th, with a low threat (20% chance) for afternoon thunderstorms. Keep an eye on weather.gov/stlouis to plan out your Independence Day celebrations!