St. Louis Weather Today:Currently, St. Louis is under a Weather Impact Alert with severe storms likely today, April 27, 2026. The conditions are currently cloudy with a temperature of 17°C (63°F), 87% humidity, and southeast winds at 10 mph.

Here's everything you need to know about St. Louis weather and flash flood warnings in Kansas City.

St. Louis Weather Today

The weather in St. Louis today is on alert for severe storms, humidity, and winds. Conditions are currently cloudy at 17°C, but temperatures are expected to rise quickly as clouds break midday.

Temperature in St. Louis Today

The temperature in St. Louis today is as high as 28°C and as low as 13°C.

Storms, Rains & Hail in St. Louis Today

A significant severe weather outbreak is expected across the St. Louis region today, April 27, 2026. The National Weather Service has issued a Severe Thunderstorm Watch for several areas and is expecting heavy rain and hail in the early morning.

St. Louis Weather Today: Tornado Prediction

As of now, there is no official announcement or alert for a tornado in St. Louis. However, heavy rain and hail hitting in the St. Louis region could bring tornadoes.

St. Louis Weather Today: Heavy Rain

Currently, St. Louis is under a Flood Watch as multiple rounds of heavy rain and thunderstorms move through the region.

Current weather forecasts indicate a 100% chance of precipitation, with heavy rain expected to continue through this evening and tonight.

Flash Flood Warning in Kansas City Today

The National Weather Service has issued a flash flood warning in several cities, including Kansas, caused by heavy rains, and more rain is expected.