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FLOOD CLOSURES: Large portions of the Katy Trail east of Boonville are closed due to flooding. Check MO State Parks website and Katy Trail Forum discussions for the latest details.

Weather along the Katy Trail

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  • Weather patterns tend to move west-to-east. If it's raining in Clinton today, it will probably rain in St Charles tomorrow
  • Most thunderstorms occur in June, but there are many in July and August too
  • May has the most rain, followed closely by April, June, and November
  • July and August are brutally hot
  • Fall foliage peaks around the middle of October, sometimes toward the end
  • Missouri weather can vary a lot from one day to the next

Electrical Storm Missouri River Valley
Photo: Steven Lee Wright

More Katy Trail weather resources: