McHenry County, IL — Threat Level Today
As of Aug 29, 02:13 PM ET, McHenry County, Illinois is at WATCH (26/100 on the GridWatch threat index). The primary driver is Thunderstorms expected Tonight.
Updated Aug 29, 02:13 PM ET · 14 federal data sources
26 /100
WATCH
Conditions worth monitoring.
- ▸ Thunderstorms expected Tonight
- ▸ Possum fire 54.3 mi away (1 acre)
Current Signals
| Signal | Status |
|---|---|
| WEATHER ALERTS | No active NWS alerts |
| ACTIVE WILDFIRES | Possum 54.3 mi |
| RIVER FLOODING | All nearby gauges normal |
| AIR QUALITY | AQI 56 (Moderate) |
| EARTHQUAKES (30D) | M2.6 strongest in region |
| POWER GRID | Midwest at 76.2% 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 McHenry County now.
DIY Air Purifier for Wildfire SmokeBest N95 Mask for Wildfire Smoke72-Hour Urban Blackout KitUrban Preparedness Checklist
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