Clear Sunday with a high near 87°F and a muggy low around 69°F. Heat returns into the 90s by midweek; city cooling sites available.

Flash-flood watch through 7 p.m. Saturday for St. Louis as scattered storms may produce heavy downpours and localized flooding.

Flash Flood Watch runs through Saturday morning as storms likely bring heavy rain and gusty winds tonight. Expect localized flooding and travel delays.

Heavy rain and storms produced flash flooding south of St. Louis on July 10, with 4–8 inches reported in some spots. Officials warn to avoid flooded roads and monitor local alerts.

St. Louis County says mosquito samples trapped in Richmond Heights tested positive for West Nile. Officials urge repellent, long clothing and removing standing water.

Severe storms and dangerous heat could hit St. Louis Thursday into the evening. Expect gusty winds, heavy downpours and heat-index readings above 100°F.

Muggy morning with highs near 91°F today in St. Louis. Stronger thunderstorms possible Thursday–Saturday with heavy rain and localized flooding risk.

St. Louis County confirmed its first heat-related fatality after a heat wave pushed conditions into the danger zone. Officials point to cooling centers and urge extra care for older residents.

Mostly cloudy and muggy this morning with highs near 88°F and a slight late‑afternoon thunder chance. Hotter late week with a stronger storm risk Thursday into Friday.

Patchy fog slows the Monday commute; highs near 87°F with a small chance of afternoon showers. Better rain chances arrive Thursday night into Friday.

Severe storms swept the St. Louis area on July 4, leaving roughly 70,000 customers without power across Missouri and Illinois as crews and cooling centers respond.

Severe storms forced organizers to cancel the America's Birthday Parade at the Gateway Arch; crowds were told to seek shelter while weather and heat warnings stayed in effect.

Sunny morning yields to a high near 88°F and a 50% chance of afternoon storms. Brief heavy downpours and gusty winds possible.