Frost Advisory
FROST ADVISORY IN EFFECT FROM 3 AM TO 8 AM EDT SATURDAY
Take steps now to protect tender plants from the cold.
St. Clair County, Michigan: tornado and severe weather warnings
A frost advisory is in effect for St. Clair County as of 5:11 PM EDT.
Open the live map on St. Clair County Get a message when a warning reaches your address
The map shows radar, every warning shape, and the path and arrival time of each storm cell headed toward the center of St. Clair County. Tap your own street on it for times that apply to you.
The last 12 months in St. Clair County
- 1 tornado warnings
- 15 severe thunderstorm warnings
- 0 flash flood warnings
- 2 tornado watches
- 8 severe thunderstorm watches
The most recent tornado warning that included St. Clair County was issued Sep 2, 2026 by the Weather Service office in Detroit/Pontiac, MI.
| Date | Issued | Type | Office | Product |
|---|---|---|---|---|
| Sep 3, 2026 | 2:48 PM EDT | Severe thunderstorm warning | DTX | text |
| Sep 3, 2026 | 11:23 AM EDT | Severe thunderstorm warning | DTX | text |
| Sep 2, 2026 | 7:00 PM EDT | Tornado warning | DTX | text |
| Sep 2, 2026 | 6:22 PM EDT | Severe thunderstorm warning | DTX | text |
| Jul 21, 2026 | 1:22 PM EDT | Severe thunderstorm warning | DTX | text |
| Jul 21, 2026 | 12:29 PM EDT | Severe thunderstorm warning | DTX | text |
| Jul 18, 2026 | 2:04 PM EDT | Severe thunderstorm warning | DTX | text |
| Jul 3, 2026 | 7:02 PM EDT | Severe thunderstorm warning | DTX | text |
| Jun 25, 2026 | 6:13 PM EDT | Severe thunderstorm warning | DTX | text |
| Jun 25, 2026 | 5:23 PM EDT | Severe thunderstorm warning | DTX | text |
| Jun 25, 2026 | 3:15 PM EDT | Severe thunderstorm warning | DTX | text |
| May 19, 2026 | 4:35 PM EDT | Severe thunderstorm warning | DTX | text |
A warning counts here if the Weather Service listed St. Clair County in it, even if the warned area covered only part of the county.
Nearby
- Macomb County, MI
- Lapeer County, MI
- Sanilac County, MI
- Oakland County, MI
- Genesee County, MI
- Wayne County, MI
- Tuscola County, MI
- Livingston County, MI
- All of Michigan
What the alerts mean
Alerts come from the National Weather Service and refresh every minute. Past warnings come from the Iowa Environmental Mesonet's archive of Weather Service products. During a warning, also listen to local radio, TV or a weather radio.