Johnson County, TN — Threat Level Today
As of Aug 29, 02:13 PM ET, Johnson County, Tennessee is at WATCH (20/100 on the GridWatch threat index). The primary driver is Thunderstorms expected This Afternoon.
Updated Aug 29, 02:13 PM ET · 14 federal data sources
20 /100
WATCH
Conditions worth monitoring.
- ▸ Thunderstorms expected This Afternoon
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) | M2.6 strongest in region |
| POWER GRID | Tennessee at 77.2% of 7-day peak · 0% of Tennessee customers out |
| FEMA DECLARATIONS (90D) | None in Tennessee |
Prepare for This
Free guides from Prepper.blog, matched to what’s active in Johnson County now.
Monitor Johnson County around the clock
GridWatch members get the live dashboard for their exact ZIP — hourly threat score, a daily AI intel brief for their region, local security news, readiness tracking, and the Scout AI analyst. $5/month or $49/year.
START MONITORING →