Marshall County, SD — Threat Level Today
As of Jul 15, 10:27 AM ET, Marshall County, South Dakota is at NORMAL (19/100 on the GridWatch threat index). The primary driver is 1 active NWS alert.
Updated Jul 15, 10:27 AM ET · 14 federal data sources
19 /100
NORMAL
No significant threats detected.
- ▸ 1 active NWS alert
- ▸ Thunderstorms expected Sunday
- ▸ 0.2% of SD customers without power
Current Signals
| Signal | Status |
|---|---|
| WEATHER ALERTS | 1 active — Heat Advisory |
| ACTIVE WILDFIRES | None within 100 miles |
| RIVER FLOODING | All nearby gauges normal |
| 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 |
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