St. Clair County, MI — Threat Level Today
As of Aug 29, 02:42 PM ET, St. Clair County, Michigan is at NORMAL (18/100 on the GridWatch threat index). The primary driver is Thunderstorms expected Sunday Night.
Updated Aug 29, 02:42 PM ET · 14 federal data sources
18 /100
NORMAL
No significant threats detected.
- ▸ Thunderstorms expected Sunday Night
Current Signals
| Signal | Status |
|---|---|
| WEATHER ALERTS | No active NWS alerts |
| ACTIVE WILDFIRES | None within 100 miles |
| RIVER FLOODING | All nearby gauges normal |
| AIR QUALITY | No nearby monitor reporting |
| EARTHQUAKES (30D) | None M2.5+ in region |
| POWER GRID | Midwest at 76.2% of 7-day peak · 0% of Michigan customers out |
| FEMA DECLARATIONS (90D) | None in Michigan |
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