Grant County, SD — Threat Level Today
As of Jul 15, 10:26 AM ET, Grant County, South Dakota is at WATCH (27/100 on the GridWatch threat index). The primary driver is Thunderstorms expected Sunday.
Updated Jul 15, 10:26 AM ET · 14 federal data sources
27 /100
WATCH
Conditions worth monitoring.
- ▸ Thunderstorms expected Sunday
- ▸ 1 active NWS alert
- ▸ 0.2% of SD customers without power
Current Signals
| Signal | Status |
|---|---|
| WEATHER ALERTS | 1 active — Heat Advisory |
| ACTIVE WILDFIRES | RX Outcrop Islands (prescribed) 12.5 mi |
| RIVER FLOODING | Big Sioux River at Lake Poinsett Inlet/Outlet at action stage |
| AIR QUALITY | No nearby monitor reporting |
| EARTHQUAKES (30D) | None M2.5+ in region |
| POWER GRID | Central at 70.1% of 7-day peak · 0.2% 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 Grant County now.
DIY Air Purifier for Wildfire SmokeBest N95 Mask for Wildfire SmokeBack Up Important Documents for an EmergencyWater Purification When the Grid Is Down
Monitor Grant 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 →