AtmostormCounty briefing

Jefferson County, MO

Severe-weather activation briefing

Generated 2026-09-20T14:19:13.203528+00:00

No active warnings

Radar over Jefferson County, MO

County exposure (baseline)

Jefferson County, MO has an estimated 223,068 residents, including 12 nursing homes, 26 mobile-home parks, 5 dialysis centers and 66 schools. This is the denominator behind “in the warned path”.