The NWS St. Louis forecasts mostly sunny skies with highs in the upper 80s and mild winds. Nights will be clear with mid-60s temps. A Hazardous Weather Outlook warns of potential thunderstorms today.

The National Weather Service issued a Heat Advisory for St. Louis, with high temperatures and potential thunderstorms; residents are advised to take precautions.

The NWS has issued a heat advisory for parts of Illinois and Missouri due to high temperatures and humidity, with warnings of heat illnesses and advisories to take precautions.

St. Louis faces a severe heat wave with a heat advisory in effect as temperatures reach 108 degrees, prompting warnings of potential heat illnesses and urging residents to take measures to stay cool.

St. Louis is under a heat advisory with high temperatures and humidity; NWS urges precautions against heat-related illnesses and offers advice on keeping safe.

The National Weather Service forecasts sunny and hot weather for St. Louis, with highs reaching the upper 90s and a slight chance of showers by Tuesday.

The NWS issued a clear forecast for St. Louis with temperatures reaching 88°F, which may rise over the weekend. There's a low chance of thunderstorms.

St. Louis NWS forecasts intermittent showers and thunderstorms throughout the week with highs around 90 degrees and chances of rain varying between 20-50%.

The National Weather Service predicts intermittent showers and thunderstorms in St. Louis, with potential severe weather and a flood watch in effect for some areas.

St. Louis is forecast to have a sunny day with high of 95°F and a heat index of 101°F, with south winds. Evening will bring cooler temps and a chance of showers and storms into next week.

St. Louis faces extreme heat with temperatures nearing 96°F and heat indices up to 103°F. Minimal relief is expected from the light breezes, and the weather pattern may only slightly change with a chance of showers early next week.

The National Weather Service predicts a hot week for St. Louis with highs near 100°F, a slight chance of thunderstorms, and minimal wind. A cooler trend with chances of rain is expected next week.

The National Weather Service predicts mostly sunny skies and calm breezes for St. Louis with highs around 90 degrees, turning partly cloudy with slight chances of thunderstorms and warmer temperatures in the following days.