St. Louis, Missouri – Dry skies over Missouri will give way to a much wetter end to the week, with rain and thunderstorms expected to move into the St. Louis region by Thursday night.
According to the National Weather Service in St. Louis, a weather system arriving from the west will increase rain chances late Thursday, starting with a 20–30% chance in the morning and climbing to 60–80% by Thursday evening. Storm activity is likely to intensify into Friday, with widespread showers and thunderstorms expected throughout the day, carrying a 60–90% chance of precipitation.
Areas across eastern Missouri, including St. Charles, Jefferson, and Franklin counties, could see brief downpours, gusty winds, and lightning. Commuters should anticipate slick roads during the Friday morning drive. Residents are advised to monitor local alerts, secure outdoor items, and delay yard work or travel plans if possible.
This system marks the first significant rainfall since early April and may help ease minor drought conditions in parts of central Missouri.
Rain chances remain elevated into Friday evening, with additional updates expected from the NWS. Stay weather-aware and prepare for potentially disruptive conditions across the region.