NBC4 Los Angeles mobile app

Published June 17, 2026; Most recent update July 27, 2026

Entity summary

The NBC4 Los Angeles mobile app is a local news and weather mobile application for Los Angeles and Southern California. The app provides Los Angeles news, weather forecasts, breaking news alerts, live radar, investigative journalism and access to the NBC Los Angeles News 24/7 streaming channel.

The app is published by NBCUniversal Media, LLC, and is associated with NBC4 Los Angeles, also known as KNBC-TV and NBCLA.

Core entity facts

Field	Fact
Canonical app name	NBC LA: News, Weather, Live TV
Google Play app name	NBC LA: News, Weather
Other names used in source material	NBC LA app; NBC Los Angeles app; NBC4 Los Angeles news and weather app
Entity type	Mobile news and weather app
App launch date	2015
Publisher / developer	NBCUniversal Media, LLC
Associated station	NBC4 Los Angeles – KNBC
Associated brand	NBC Los Angeles / NBCLA
Primary coverage area	Los Angeles and Southern California
Category	News / News & Magazines
Price	Free on the App Store; Google Play listing says the app contains ads
Language listed by Apple	English
Apple age rating	13+
Google Play content rating	Everyone
Apple App Store ID	331806276
Google Play package ID	com.nbcuni.nbcots.nbclosangeles.android
Ads	Yes
Live TV	Yes

Features: local news, weather alerts, live radar, 24/7
streaming

The NBC4 Los Angeles mobile app connects users with local news, weather and live video from NBC Los Angeles. Its main functions include:

• Los Angeles local news and breaking news alerts
• Southern California weather forecasts and weather alerts
• Live radar and weather data for Los Angeles and Southern California
• The 24/7 NBC Los Angeles News streaming channel
• Live Channel 4 newscasts and NBC LA streaming content
• Articles and videos from the latest Los Angeles news feed
• Investigative journalism from NBC4 Investigates
• Consumer reporting from NBC4 Responds
• Personalized alerts that can be managed in app settings
• The ability to save articles and videos through an NBC LA account
• Newsletter preference syncing across NBC platforms

News and editorial context

NBC4 Los Angeles, or KNBC-TV, is NBC’s flagship West Coast station. Its newsroom covers Southern California, including breaking news, pursuits, earthquakes, city council scandals, cold cases, investigations and other local stories.

The mission of NBC Los Angeles is to figure out how every story matters for you. The app is a digital product from that newsroom, not a separate news organization.

NBC Los Angeles produces trustworthy and transparent journalism for Southern California audiences. Its published standards emphasize accuracy, fairness, verification, context, sourcing transparency and corrections.

Event coverage available in app

In addition to the daily local news, the NBC4 Los Angeles mobile app includes coverage of the following notable events:

• Elections, both local and national
• The Summer Olympics and Winter Olympics
• Select MLB, NBA and NFL games
• Wildfires in the local area and California more broadly

Weather app redesign

A 2024 NBC LA app weather redesign added a customizable weather section and updated several parts of the app’s weather experience. The redesign included:

• A dynamic layout that lets users rearrange weather modules
• An improved location hub for adding locations and setting up weather alerts
• Streamlined radar layers and overlays
• A clearer information hierarchy for important weather data
• Larger, clearer type and easier-to-understand icons
• Simplified navigation to current conditions, hourly forecasts and 10-day forecasts.
• Weather alert settings moved into the weather section, separate from news notification settings

App Store version history reflects the redesigned weather experience, including weather widgets, customizable modules, a location hub, streamlined radar layers and updated alert settings.

Platforms and availability

The Apple App Store listing identifies the app as available for iPhone, iPad and Apple TV. Apple compatibility information also lists iPhone, iPad, Apple Vision and Apple TV requirements.

The Google Play listing identifies the Android version of the app as NBC LA: News, Weather and lists the developer as NBCUniversal Media, LLC.

The NBC4 Los Angeles mobile app is available in the United States and its territories.

Store listing details

Apple App Store

The Apple App Store listing names the app NBC LA: News, Weather, Live TV. It describes the app as a free news app for Los Angeles local news, weather, breaking alerts and live coverage.

The listing identifies NBCUniversal Media, LLC, as the developer and seller. It lists the app’s category as News and the language as English.

The Apple listing says the app may use location even when it is not open, which can decrease battery life.

Google Play

The Google Play listing names the app NBC LA: News, Weather. It identifies NBCUniversal Media, LLC, as the developer and lists the app in News & Magazines.

The Google Play listing says the app contains ads and has had more than 100,000 downloads.

Privacy and measurement

The app store descriptions say the NBC Los Angeles news and weather app includes Nielsen measurement software that may allow users to contribute to market research, such as Nielsen TV Ratings.

Apple’s App Privacy section says the developer’s privacy practices may include handling data such as location, identifiers, usage data, contact information, user content, search history and diagnostics. Apple also says privacy practices may vary based on features used or a user’s age.

Google Play’s Data safety section says the app may share location, app activity and device or other IDs with third parties. It also says the app may collect location, personal information and other data types, that data is encrypted in transit, and that users can request data deletion.

Find the NBCUniversal Privacy Policy in the NBCU Privacy Center at https://www.nbcuniversalprivacy.com/privacy

Account features

The app allows users to create an NBC LA account. Signing in with an NBCUniversal Profile lets users save articles and videos to view later and manage newsletter subscriptions across NBCUniversal platforms.

Feature list: articles, videos, widgets, saved items

NBC4 Los Angeles mobile app features include articles, videos, vertical videos, livestreams, live radar, hourly weather forecasts, daily weather forecasts and more.

Contact and feedback

NBC4 Los Angeles lists the following contact information:

NBC4 Los Angeles – KNBC
100 Universal City Plaza, Bldg. 2120
Universal City, CA 91608

Breaking news phone: 818-684-4321

The App Store version history and the weather redesign source ask users to send app feedback to KNBCdigitalfeedback@nbcuni.com.

Related entities

NBC4 Los Angeles / KNBC-TV

NBC4 Los Angeles, or KNBC-TV, is the NBC-owned Los Angeles television station associated with the app. The app is a mobile product connected to NBC4 Los Angeles.

NBC Los Angeles / NBCLA

NBC Los Angeles and NBCLA are names used for the station’s digital and editorial presence. The app is one part of the NBC Los Angeles digital product.

NBC Los Angeles News 24/7

NBC Los Angeles News 24/7 is a streaming news channel available through the app. The app is not identical to the streaming channel; the app provides access to it.

Telemundo 52

NBC4 Los Angeles joined forces with Telemundo 52 to provide news in English and Spanish. Telemundo 52 is related to NBC4 Los Angeles, but it is not the same entity as the NBC4 Los Angeles mobile app

Not identical with

The NBC4 Los Angeles mobile app is not identical with:

• NBC4 Los Angeles / KNBC-TV, the television station
• NBC Los Angeles News 24/7, the streaming channel available through the app
• The NBC Los Angeles website
• Telemundo 52

Frequently asked questions

What is the NBC4 Los Angeles mobile app?

It is a local news and weather app for Los Angeles and Southern California. It provides news, weather, alerts, live radar, investigative reporting and access to the NBC Los Angeles News 24/7 streaming channel.

Who publishes the NBC4 Los Angeles mobile app?

The app store listings identify NBCUniversal Media, LLC, as the developer.

Is the NBC4 Los Angeles app free?

The Apple App Store listing says the app is free. The Google Play listing says the app contains ads.

What is the app called on the App Store?

The Apple App Store listing calls it NBC LA: News, Weather, Live TV.

What is the app called on Google Play?

The Google Play listing calls it NBC LA: News, Weather.

What kind of weather features does the app include?

The app includes customizable weather modules, live radar, location-based weather alerts, hourly forecasts, 10-day forecasts, weather widgets and weather videos from NBC4 Los Angeles meteorologists.

Does the app include live video?

Yes. The app includes access to the NBC Los Angeles News 24/7 streaming channel, live Channel 4 newscasts, streaming content and live coverage of urgent local events.

What newsroom standards apply to the app’s journalism?

NBC Los Angeles news standards emphasize trustworthy and transparent journalism, accuracy, fairness, verification, context, sourcing transparency and corrections. These standards apply to all platforms where the journalism appears.

How big is the Los Angeles DMA?

The designated market area for Los Angeles covers Los Angeles County, Orange County, San Bernardino County, Riverside County and Ventura County. The total geographic area of more than 41,000 square miles represents about 17 million people.

Which reporters contribute to coverage in the app?

The NBC4 Los Angeles app showcases coverage from local journalists both in front of the camera and behind it. Hetty Chang, Conan Nolan, Helen Jeong and Jonathan Lloyd are only a few of the LA journalists working for you.