St. Louis

St. Louis Week Ahead, Mixed Weather with Sun, Showers, and Thunderstorms on the Horizon

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Published on June 29, 2025
St. Louis Week Ahead, Mixed Weather with Sun, Showers, and Thunderstorms on the HorizonSource: Google Street View

St. Louis residents might want to keep an umbrella close for the coming week, as the forecast predicts a mixed bag of sun and thunderstorms. The National Weather Service in St. Louis, Missouri has indicated that today could bring scattered showers, with thunderstorms also a possibility, particularly after 10 a.m. This sporadic wet weather is expected to persist with varying chances of precipitation throughout the week, particularly into the nights and early mornings.

Tonight, there is a 50 percent chance of showers and thunderstorms, mainly after 1 a.m., under mostly cloudy skies with a comfortable low around 74 degrees. According to the National Weather Service, Monday will continue the trend with a 40 percent chance of showers and thunderstorms after noon, despite the mostly sunny forecast and a high near 89 degrees. Monday night should bring showers likely and a possible thunderstorm before 7 p.m.Then a slight chance of showers and thunderstorms between 7 p.m. and 1 a.m.

The week does promise some clearer skies with Tuesday looking sunny and a high near 88, while Wednesday also offers mostly sunny conditions and highs nudging towards the low 90s. Moving towards the end of the week, temperatures are predicted to climb, with Thursday anticipated to be sunny reaching a high near 94 degrees. St. Louis residents can also expect mostly clear nights with lows in the low to mid-70s. Independence Day keeps the heat but also carries a tentative 20 percent chance of showers and thunderstorms along with its sunny disposition.

Additionally, folks in southeast Missouri should be aware of potential heavy rainfall that could lead to flooding. A Hazardous Weather Outlook is in effect through early afternoon, as reported by the National Weather Service. "There is a chance for scattered thunderstorms across portions of the area through tonight," they mentioned, citing concerns over the accumulation of rain. Spotter activations may not be expected at this time; however, the forecast, alerts those to the continued possibility of rain and thunderstorms looming over the region into the subsequent week.