Winter Storm Warning Ballwin, Missouri

Winter alerts in Ballwin, newest first, in effect or ended
Alert	State	Severity	Places
Winter Storm WatchEnded 3 to 6 inches of snow possible. Issued January 21 Ended January 22, 2026	Missouri	Severe	269 places Ballwin St. Louis Columbia O'Fallon St. Charles St. Peters Florissant Chesterfield Wentzville Jefferson City and 259 more
Winter Storm WatchEnded 4 to 8 inches of snow possible. Issued November 27 Ended November 28, 2025	Missouri	Severe	176 places Ballwin St. Louis O'Fallon St. Charles St. Peters Florissant Chesterfield Wentzville Oakville Wildwood and 166 more