US Weather Radar Map – Live National Doppler Radar
Free live radar for the United States. View the national mosaic, search any city or ZIP for current conditions, hourly weather, 7-day forecasts, AQI, and sunrise & sunset times.
Weather Radar, Forecasts & Local Conditions
Use Weather Radar USA to check current conditions, hourly weather, 7-day forecasts, precipitation, air quality and the live national mosaic for locations across the United States.
Hourly Forecast
Search a city or ZIP code to view hourly conditions and rain chances.
Search Forecast →Live National Radar – US Weather Radar Map
Real-time national mosaic covering the entire United States from the NEXRAD network. Track storms and check local radar sites across the country. Updated every few minutes.
Weather Radar Tools & Resources
Official NWS Radar
National Weather Service official radar. Zoom to any station, view velocity, dual-pol products and loops.
Open radar.weather.gov →RainViewer Interactive Map
Interactive global radar with strong USA coverage, future precipitation forecast and smooth loops.
Open RainViewer →Severe Weather Map
Live radar combined with NWS watches, warnings, SPC outlooks and storm reports.
Open WxYard →NWS Sector Mosaics
Regional radar loops for Northeast, Southeast, Midwest, Rockies and West Coast.
View Sectors →Air Quality Reference
US AQI scale explained: 0-50 Good, 51-100 Moderate, 101-150 Unhealthy for Sensitive Groups, 151+ Unhealthy.
AirNow.gov →Temperature Converter
Quick °F ↔ °C converter for travel and international users.
📡 Radar Color Legend
Understand what radar colors mean on the national mosaic.
☀️ UV Index Checker
Enter temperature (°F) and approximate cloud cover to estimate UV risk level.
🌡️ Heat Index / Wind Chill
Calculate real-feel temperature using temperature, humidity or wind speed.
🌙 Current Moon Phase
See today's approximate moon phase and illumination.
⚠️ Severe Weather Alerts
Official sources for watches, warnings and outlooks.
Major US Weather Radar Stations
Click any city to open the official NWS local radar page for that station.
How to Use Live Weather Radar in the USA
Weather radar (also called Doppler or NEXRAD) is the main tool meteorologists use to track precipitation and severe storms across the United States in real time. The National Weather Service operates more than 160 WSR-88D sites that provide coverage for nearly the entire country.
Search by city or ZIP code
Type a city name (for example “Austin TX”) or a 5-digit ZIP code in the search box above. Select from the suggestions or press Search. You will receive current temperature, humidity, wind, US Air Quality Index, sunrise and sunset times for that exact location.
Why check the national mosaic
The live national map shows the big picture of storms moving across the country. Use it together with local station links when severe weather is expected in your region.
Our recommendations for safer planning
Understanding the US Air Quality Index
- 0–50 Good – Air quality is satisfactory
- 51–100 Moderate – Acceptable for most people
- 101–150 Unhealthy for Sensitive Groups
- 151–200 Unhealthy – Everyone may begin to feel effects
- 201–300 Very Unhealthy
- 301+ Hazardous
Weather and air-quality data are provided by Open-Meteo (CC BY 4.0). Radar imagery comes from the NOAA NEXRAD network via NSSL MRMS and F5Weather. This independent site is not affiliated with NOAA or the National Weather Service.
Live National Weather Radar Across the United States
Use this US weather radar map to monitor precipitation and storms across the country. Search a city or ZIP code for current conditions and forecasts. The site combines a live national view with location-based weather information for planning travel, outdoor activities, and daily commutes.
Check Weather by City or ZIP Code
Search a US city, city and state, or a 5-digit ZIP code to view current temperature, feels-like temperature, wind, humidity, rain chances, air quality, sunrise and sunset, hourly weather, and a 7-day forecast for that area.
How Doppler Radar Works
Doppler weather radar (NEXRAD) detects precipitation and helps meteorologists track the movement and intensity of rain and storms. The national mosaic combines data from sites across the United States. For dangerous weather, always use official National Weather Service warnings and alerts as the authoritative source.
Weather Radar and Forecast FAQs
What is Doppler weather radar?
Doppler radar uses radio waves to detect precipitation and estimate its movement. It is widely used to monitor rain, snow, thunderstorms, and other weather systems across the United States.
How often does weather radar update?
Radar products can update frequently, but timing varies by source and product. This website refreshes the national image automatically every 2 minutes and links to official NWS radar for local verification.
How can I check weather by ZIP code?
Enter a five-digit US ZIP code in the search box. The site resolves the location and displays weather conditions and forecast information for that area.
What do radar colors mean?
Radar color scales generally represent precipitation intensity, but exact colors vary by product. Always check the legend of the specific image you are viewing.
Where can I find severe weather alerts?
For official watches, warnings, and advisories, check the National Weather Service and local emergency-management authorities.
What is the national radar map?
The national map (also called the US radar or United States mosaic) is a composite of NEXRAD sites covering the entire country. It shows real-time precipitation and storm movement.
Where are major radar sites located?
The National Weather Service operates more than 160 WSR-88D sites across the United States. Major sites include New York (KOKX), Chicago (KLOT), Miami (KAMX), Houston (KHGX), Dallas (KFWS), Denver (KFTG), Seattle (KATX), and many others listed in the stations section above.
Popular US Weather Cities
Search any major US city below for live forecast, radar conditions and AQI. Click a city name to load its weather instantly.