Storm Alert: Tornado watch issued for most of St. Louis area until 11 p.m.

4:40 p.m.: A Severe Thunderstorm warning was expanded into St. Charles County and St. Louis County as a line of strong storms moves into the area. Hail and gusty winds are the primary concerns associated with these storms.

Severe Thunderstorm Warnings have been issued for Franklin, Gasconade and Warren counties as the storms continue to move into the area. Those warnings were set to expire at 5 p.m. Hail and gusty winds are the primary concerns associated with these storms.

Most of the area is under a PDS Tornado Watch. This is a Particularly Dangerous Situation Tornado Watch. This means the environment is currently favorable for dangerous tornadoes to develop.

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