Dewey County, SD — Threat Level Today
As of Oct 14, 06:14 AM ET, Dewey County, South Dakota is at WATCH (20/100 on the GridWatch threat index). The primary driver is 1 active NWS alert incl. Freeze Warning.
Updated Oct 14, 06:14 AM ET · 14 federal data sources
20 /100
WATCH
Conditions worth monitoring.
- ▸ 1 active NWS alert incl. Freeze Warning
Current Signals
| Signal | Status |
|---|---|
| WEATHER ALERTS | 1 active — Freeze Warning |
| ACTIVE WILDFIRES | None within 100 miles |
| RIVER FLOODING | All nearby gauges normal |
| AIR QUALITY | No nearby monitor reporting |
| EARTHQUAKES (30D) | M3 strongest in region |
| POWER GRID | Central at 66.8% of 7-day peak · 0% of South Dakota customers out |
| FEMA DECLARATIONS (90D) | None in South Dakota |
Prepare for This
Free guides from Prepper.blog, matched to what’s active in Dewey County now.
Stay Warm in a Winter Power Outage72-Hour Urban Blackout KitUrban Preparedness ChecklistWater Storage Without a Basement
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