Flash flooding possible for St. Louis area Wednesday and Thursday
Local heavy rain could cause flash floods over parts of Missouri and Illinois by late Wednesday
ST. LOUIS – A large storm system that brought thunderstorms to parts of Colorado, Kansas, Oklahoma and Texas on Tuesday afternoons and evenings is heading towards the two-state region Wednesday through Thursday.
Some isolated storms could be strong, but the greatest threat is likely to come from downpours, which can lead to flash floods.
Showers and some thunderstorms will spread across the region early on Wednesday morning. It rains one to three inches in most areas. The southern parts of Missouri and Illinois could see two to four inches of rainfall from this system once it clears later Thursday.
A lightning flood watch has been issued Wednesday through Thursday morning for areas south of St. Louis in southern Missouri and southern Illinois.
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The general risk of severe weather seems limited, but a strong storm or two cannot be ruled out on Wednesday afternoon.
After a few days with temperatures of 80 degrees or more, there will be a cooling trend on Wednesday through the end of the week. Some areas may not reach 70 ° on Thursday or Friday. On Friday the sun returns and the weekend looks warmer again in dry weather until Sunday.
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