Jefferson County, NY — Severe Weather & Radar
No active severe-weather warnings for Jefferson County, NY right now. Live radar is below — set up alerts to get warned the moment one is issued.
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Severe-weather outlook
No severe-weather risk is outlooked for Jefferson County, NY today.
3-day forecast
Forecast via Open-Meteo.
When is severe weather most likely near Jefferson?
In Jefferson County, severe thunderstorms are most common from June through August.
Damaging winds, hail, and localized flooding are the usual threats; tornadoes are less frequent than in the Plains or Southeast but do occur, often along summer cold fronts.
Based on long-term NOAA / NWS Storm Prediction Center climatology.
In Jefferson County, NY
Jefferson County, NY has an estimated 120,000 residents, plus 4 hospitals, 3 nursing homes, 39 schools, 2 mobile-home parks, 1 dialysis centers that could be in a storm's path. Atmostorm shows which of them fall inside an active warning polygon.
Emergency-management view: who & what is in the warned path →
Nearby areas
Live radar and active alerts for places near Jefferson:
Not an official source — always confirm with the National Weather Service at weather.gov. Data aggregated from NWS/SPC. Facility and population figures are decision-support estimates.