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 Seminole County, FL (FIPS 12117) in Florida. Free, no login, no ads.
Seminole County, FL is one of the counties of Florida covered by BloomWX. Seminole County, FL has a population of approximately 471,321 (2022 estimate, US Census Bureau). The county covers 309.4 square miles of land area. The county seat is Sanford.
Sanford, Altamonte Springs, Oviedo, Winter Springs, Casselberry.
Seminole County, FL is served by the National Weather Service MLB 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: Orange County, FL, Lake County, FL, Volusia County, FL, Brevard County, FL.
BloomWX is a free weather operations dashboard for SKYWARN storm spotters, emergency management volunteers, ham radio nets, and anyone in Seminole County, FL 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 Florida county weather dashboards on BloomWX.