Live National Weather Service alerts, NEXRAD weather radar, USGS river and stream gauges, Storm Prediction Center convective outlooks, Local Storm Reports, 5-day forecast, air quality, and severe-weather notifications for Sumner County, TN (FIPS 47165) in Tennessee. Free, no login, no ads.
Sumner County, TN is one of the counties of Tennessee covered by BloomWX. Sumner County, TN has a population of approximately 196,845 (2022 estimate, US Census Bureau). The county covers 529.5 square miles of land area. The county seat is Gallatin.
Hendersonville, Gallatin, Portland, White House, Millersville.
Sumner County, TN is served by the National Weather Service OHX forecast office for warnings, watches, advisories, and decision-support services. The same office produces the Hazardous Weather Outlook, Area Forecast Discussion, and DSS briefing packets you'll see on the BloomWX dashboard for this county.
BloomWX also covers the surrounding counties: Allen County, KY, Macon County, TN, Simpson County, KY, Wilson County, TN, Davidson County, TN, Trousdale County, TN, Robertson County, TN.
BloomWX is a free weather operations dashboard for SKYWARN storm spotters, emergency management volunteers, ham radio nets, and anyone in Sumner County, TN who needs the official NWS data without the consumer-app cruft. Data is pulled directly from weather.gov and refreshes every 60 seconds. Sources: National Weather Service, Storm Prediction Center, USGS Water Data, NOAA Space Weather Prediction Center, Open-Meteo (Air Quality), and the Citizen Weather Observer Program.
Read the BloomWX learn library for beginner-friendly explainers on every dashboard surface, including SPC convective outlooks (TSTM/MRGL/SLGT/ENH/MDT/HIGH), NEXRAD radar, USGS flood gauges, and WPC surface analysis charts. See all Tennessee county weather dashboards on BloomWX.