St. Louis, MO – Missouri residents should prepare for a dramatic weather shift midweek as temperatures swing from springlike warmth to winter cold in just hours. The National Weather Service in St. Louis warns of thunderstorms Wednesday, followed by a steep drop in temperatures and a transition to snow by nightfall.
According to the NWS, Wednesday’s highs will reach 65-75°F before rapidly falling into the 40s and 50s in the afternoon. Showers and thunderstorms will develop throughout the day, with steadier rain arriving by the evening. Overnight, temperatures will plummet to 28-35°F as rain gradually turns to light snow, with up to an inch of accumulation on grassy or elevated surfaces.
Thursday morning may see lingering light rain or snow before clearing skies and highs in the upper 40s. By Friday, temperatures will rebound into the 60s. Residents are advised to prepare for rapidly changing conditions, dress in layers, and drive cautiously as roads may become slick overnight.
Stay updated with the latest alerts from the National Weather Service as this system moves through.
