Siren Activation Report

DateReasonCommentsZones Activated
4/4/2026 12:00:00 PM Monthly Test - Silent Test Monthly Test of the McKinney Outdoor Warning Siren (OWS) system. ALL
4/2/2026 10:01:07 AM Silent Test Silent Test of the McKinney Outdoor Warning Siren (OWS) system in conjunction with the State of Texas statewide emergency alert systems drill. ALL
3/7/2026 12:00:00 PM Monthly Test Monthly Test of the McKinney Outdoor Warning Siren (OWS) system. ALL
2/7/2026 12:00:00 PM Monthly Test Monthly Test of the McKinney Outdoor Warning Siren (OWS) system. ALL
1/3/2026 11:59:44 AM Monthly Test Monthly Test of the McKinney Outdoor Warning Siren (OWS) system. ALL
12/6/2025 11:59:54 AM Monthly Test Monthly Test of the McKinney Outdoor Warning Siren (OWS) system. ALL
11/1/2025 12:04:47 PM Monthly Test Monthly Test of the McKinney Outdoor Warning Siren (OWS) system. ALL
10/4/2025 12:41:02 PM Monthly Test - Silent Test Monthly Test of the McKinney Outdoor Warning Siren (OWS) system. ALL
9/6/2025 12:00:27 PM Monthly Test Monthly Test of the McKinney Outdoor Warning Siren (OWS) system. ALL
8/2/2025 11:59:47 AM Monthly Test Monthly Test of the McKinney Outdoor Warning Siren (OWS) system. ALL
7/5/2025 11:59:42 AM Monthly Test Monthly Test of the McKinney Outdoor Warning Siren (OWS) system. ALL
6/8/2025 9:43:39 PM Severe Thunderstorm Warning - Winds Severe Thunderstorm Warning with damaging winds possible. ALL
6/7/2025 11:59:49 AM Monthly Test Monthly Test of the McKinney Outdoor Warning Siren (OWS) system. ALL
5/18/2025 9:40:26 PM Tornado Warning Tornado Warning issued for Western Collin County with McKinney in the predicted path. ALL
5/18/2025 10:06:43 PM Severe Thunderstorm Warning - Winds Severe Thunderstorm Warning with large hail and damaging winds possible. ALL
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