"The incident’s rapid change in acreage within a short time frame highlights the dynamic nature of wildfire behavior, underscoring the importance of timely monitoring and response. "
The Gilbert wildfire, located in Harding County, South Dakota, was first discovered on September 13, 2026, at 16:43:34. Initial reports from the National Interagency Fire Center (NIFC) indicated the fire had burned 300 acres. By 18:40:34 the same day, the reported size had decreased to 211.2 acres, suggesting a reduction in active spread, though no containment percentage or personnel details were provided. The fire is attributed to human activity, and jurisdictional agency information is not available. Current fire behavior data is not reported, so the situation remains uncertain but appears to have stabilized in terms of acreage.
Current air quality readings are unavailable for this incident. Older readings are not shown as current conditions.
Check current air quality on AirNow.gov →General wildfire safety guidance applies: stay informed through local authorities, avoid the area if possible, and be prepared for changing conditions.
IRWIN ID: {24033FC8-3772-4790-BE18-74B7B93B4BE3}
Discovered: Sep 13, 2026
Cause: Human
Coordinates: 45.5203, -103.6863
Other wildfires no longer present in our filtered incident feed in SD.
The Gilbert Fire has burned 211 acres as of September 13, 2026.
Containment has not been officially reported for the Gilbert Fire.
The official cause has been listed as: Human.
The Gilbert Fire is burning in Harding, SD.
The Gilbert Fire is no longer in our filtered incident feed. This alone does not confirm extinguishment.
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