Overall:

1. The Weather Channel App:

A classic choice, The Weather Channel App offers comprehensive weather data, detailed forecasts, and severe weather alerts. Its user-friendly interface and engaging videos make it accessible to a wide audience.

2. AccuWeather:

Renowned for its accurate forecasts, AccuWeather provides detailed hourly and long-range forecasts, personalized weather alerts, and a focus on air quality and health impacts.

3. Weather Underground:

A favorite among weather enthusiasts, Weather Underground boasts a robust data platform, customizable features, and access to real-time radar and satellite imagery. Its interactive maps and historical data analysis cater to deeper weather exploration.

Free and User-Friendly:

1. Apple Weather:

Pre-installed on iPhones, Apple Weather offers a clean and intuitive interface, concise forecasts, and integration with Siri for voice-activated weather updates.

2. Yahoo Weather:

Another user-friendly option, Yahoo Weather provides basic forecasts, interactive maps, and fun themes for personalization. Its integration with other Yahoo services adds convenience.

3. Carrot Weather: For those who like a bit of humor, Carrot Weather delivers witty forecasts and snarky commentary alongside accurate data. Its customizable layouts and dark mode options cater to individual preferences.

Advanced Features:

1. Dark Sky:

Discontinued as a standalone app but available through Apple Weather, Dark Sky was renowned for its hyperlocal forecasts and precise precipitation alerts.

2. RadarScope:

A favorite among storm chasers and weather professionals, RadarScope provides real-time Doppler radar data, customizable overlays, and advanced tracking tools for monitoring severe weather events.

3. NOAA Weather Radar Live:

Developed by the National Oceanic and Atmospheric Administration (NOAA), this app offers access to official weather radar data, customizable displays, and severe weather warnings.