San Juan County, WA — Severe Weather & Radar
No active severe-weather warnings for San Juan County, WA 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 San Juan County, WA today.
3-day forecast
Forecast via Open-Meteo.
When is severe weather most likely near San Juan?
Severe thunderstorms and tornadoes are uncommon in San Juan County.
The primary hazards are winter windstorms and heavy rain that can cause flooding, mostly from fall through spring.
Based on long-term NOAA / NWS Storm Prediction Center climatology.
In San Juan County, WA
San Juan County, WA has an estimated 18,000 residents, plus 15 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 San Juan:
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.