St. Clair County, IL — Threat Level Today

As of Jul 15, 10:26 AM ET, St. Clair County, Illinois is at WATCH (20/100 on the GridWatch threat index). The primary driver is Thunderstorms expected Thursday.

Updated Jul 15, 10:26 AM ET · 14 federal data sources

20 /100
WATCH

Conditions worth monitoring.

  • Thunderstorms expected Thursday
  • Non Stat - South Market fire 84.8 mi away

Current Signals

SignalStatus
WEATHER ALERTSNo active NWS alerts
ACTIVE WILDFIRESNon Stat - South Market 84.8 mi
RIVER FLOODINGAll nearby gauges normal
AIR QUALITYAQI 62 (Moderate)
EARTHQUAKES (30D)M3.5 strongest in region
POWER GRIDMidwest at 72.4% of 7-day peak · 0% of Illinois customers out
FEMA DECLARATIONS (90D)None in Illinois

Prepare for This

Free guides from Prepper.blog, matched to what’s active in St. Clair County now.

DIY Air Purifier for Wildfire SmokeBest N95 Mask for Wildfire Smoke72-Hour Urban Blackout KitUrban Preparedness Checklist

Monitor St. Clair 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 →

Nearby Counties

St. Louis city, MOMonroe County, ILMadison County, ILSt. Louis County, MOClinton County, ILJefferson County, MO