Rain & Storms Tonight-Tomorrow

Published: May 16, 2025 at 8:49 AM CDT|Updated: 3 hours ago
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  • Scattered Storms Overnight, Heaviest Northwest
  • A Wet Wednesday In St. Louis, Off & On Rain
  • More Rain Thursday & Friday

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Tonight: Scattered storms will spread into the Northwest of St. Louis first tonight, and that’s the area that will have the heaviest rain and perhaps some isolated flooding. Overnight weaker showers and storms will spread into St. Louis and make for a wet morning drive.

Wednesday will be an off and on wet day, especially in St. Louis with 0.5″ to 1.5″ of rainfall generally expected and isolated higher amounts. There is a low severe risk east of St. Louis, but the storm fuel is likely very low due to all the clouds and rain off and on through the day. However, we’ll monitor it and keep you posted if the risk area expands or ramps up.

Thursday & Friday will also be active with rounds of storms. Generally, 1-3″ of rain is expected from Tuesday night through Friday. Localized flooding is possible if storms move over the same area multiple times. Some of these storms Thursday & Friday could also be severe, but it’s too early to pin down the timing and whether there will be enough storm fuel to result in severe storms. That fuel could be suppressed from clouds and rounds of rain.