Winter Storm Warning Defiance, Missouri

Winter alerts in Defiance, newest first, in effect or ended
Alert	State	Severity	Places
Winter Weather AdvisoryEnded Up to one inch of snow with a localized area of 2 to 4 inches possible. Issued March 1 Ended March 2, 2026	Missouri	Moderate	204 places Defiance St. Louis O'Fallon St. Charles St. Peters Florissant Chesterfield Wentzville Oakville Wildwood and 194 more
Winter Weather AdvisoryEnded 1 to 3 inches of snow. Issued November 30 Ended December 2, 2025	Missouri	Moderate	338 places Defiance St. Louis Columbia O'Fallon St. Charles St. Peters Florissant Chesterfield Wentzville Jefferson City and 328 more
Winter Weather AdvisoryEnded 2 to 4 inches of snow. Issued November 28 Ended November 29, 2025	Missouri	Moderate	162 places Defiance St. Louis O'Fallon St. Charles St. Peters Florissant Chesterfield Wentzville Oakville Wildwood and 152 more