Weather Underground vs Windy.com

Discover a reliable, real-time and hyper-local forecast that will always warn you about upcoming severe weather. Weather Underground combines data from over 250,000+ personal weather stations and a proprietary forecast model to give you the most accurate and hyperlocal forecasts, at a microclimate level. Discover about current conditions, interactive Nexrad radar, get customizable severe weather alerts and much more. You’ll always be prepared for whatever the weather brings. 5 REASONS TO DOWNLOAD WEATHER UNDERGROUND • Severe weather alerts: set weather alerts for your exact position, so you can always be prepared for an upcoming storm! • Local conditions: get current weather conditions from local weather stations and hourly/daily summary forecasts up to 10 days in the future, which include chance of precipitation and daily weather summaries. • Most detailed weather data: stay updated with the best weather data including temperature, “Feels Like,” wind speed, wind directions, today’s rain accumulation, humidity, dew point, visibility, and pressure. • Other geographical data: discover our air quality index, UV index, local flu outbreaks, sunrise & sunset and moonrise & moonset. • Customized experience: set your app with light & dark modes, various map types and units. DISCOVER THE UNIQUE FEATURES OF WEATHER UNDERGROUND • Interactive radar maps & severe weather: • The most interactive weather map on mobile allows you to select from different weather overlays, personal weather stations, nexrad radar, satellite, heat maps, and rain accumulation. • Sophisticated weather visualizations with hi-res satellite & cloud cover imagery from GOES-16, powered by data from NOAA. • Keep an eye out for extreme weather and always be prepared with severe weather alerts. Accurate hyper-local forecasts: • Over 250,000 personal weather stations report the most accurate local weather conditions. • Made to fill in the gaps between the airport weather stations that other weather services rely upon to generate forecasts - meaning our data is generated from actual data points in your neighborhood. Subscribe to Premium! • Upgrade and remove all ads from your weather app by purchasing an annual subscription. • Access Smart Forecasts: set your ideal weather conditions for your outdoor activities and we’ll tell you when to go. • View Extended Hourly Forecasts up to 15 days in the future. You can cancel your Weather Underground subscription anytime through your iTunes account settings, or it will automatically renew. This must be done 24 hours before the end of any subscription period to avoid being charged another fee. Subscription payments will be charged to your iTunes account at confirmation of your purchase and upon commencement of each renewal term. For more information, please see our Privacy Policy and Terms of Use. ----- Privacy & Feedback • Our Privacy Policy can be viewed here: https://www.wunderground.com/company/privacy-policy • Our Terms of Use can be viewed here: https://www.wunderground.com/company/legal
 • If you have any questions or suggestions about our weather service, please do not hesitate to get in touch at support@wunderground.com.

A UNIQUE WEATHER FORECAST VISUALISATION While most weather forecasting apps rely solely on free global models, Windy has gone a step further by investing heavily in the most accurate weather models available, always at the highest possible resolution, to deliver you the most accurate forecasts in the world. LIVE WEATHER APP - WEATHER RADAR & SATELLITE (Now with Precipitation Type & Lightning tracker) Radar is a highly valued tool for weather forecasting. To provide you with the most accurate radar imagery, we constantly expand our resources so that rain, snow, and storms don't catch you by surprise. Trusted radar sources include NOAA, Met Office, Météo France, DWD, JMA, IMD, BoM & more. The global satellite composite is created from NOAA, EUMETSAT & Himawari data. MORE THAN 50 WEATHER MAPS - Rain radar, Satellite and a unique combined layer of Radar & Satellite images (blue, infrared, visible) - Hurricane tracker, Weather warnings & Extreme forecast - Wind forecast: Wind speed, Wind gusts & Accumulation, models comparison, data from live Weather stations - Temperature: Humidity, Pressure, Dew point, live data from Weather stations - Rain: Thunder & storms, Rain accumulation, Thunderstorms, Precipitation type, CAPE-index - Aviation: Clouds, Cloud tops, Cloud base, Visibility (LIFR, IFR, MVFR, VFR), Fog, Icing, Clear air turbulence, Thermals, Freezing altitude - Marine Forecast: Waves, Swell, Wave power, Tide forecast, Currents, Sea temperature - Solar activity: Solar power, UV index, Wet-bulb temperature - Snow: Snow depth, New snow, Snow density - Air Quality: Air Quality Index (AQI) with Pollen (CAMS), NO2, PM 2.5, Aerosol, SO2, Ozone layer, Surface ozone, CO concentration, Dust mass - Soil moisture, Moisture anomaly, Drought intensity, Fire Danger, Fuel moisture MORE THAN 15 WEATHER MODELS Global weather models: - meteoblue - AI forecast - ECMWF - GFS by NOAA - ICON by DWD Local weather models: - HRRR by NOAA - NAM by NOAA - HRDPS by MSC - ICON-EU by DWD - ICON-D2 by DWD - UKV by Met Office - AROME-HD by Météo France - ALADIN by CHMI - NEMS by meteoblue - MSM by JMA - ACCESS-C by BoM LIVE RAIN, STORM ALERTS & CUSTOM WEATHER ALERTS Want to know before the storm hits near you while you hike, bike or spend time outdoors? You can now access live weather alerts or set up your custom weather alert for wind, sunshine, or new snow. HURRICANE TRACKER FOR STORM TRACKING With Windy's hurricane tracker, you can track the past and projected path of a hurricane or a storm. Windy doesn't rely on just one hurricane model, but will give you all the forecasts available for a storm or hurricane. WINDY MADE FOR PILOTS - 16 altitude levels from the surface to 13.5km/FL450 - 50k+ Airports searchable by ICAO and IATA, including runway info, decoded & raw METAR, TAF & NOTAMs - Detailed Airgram and Meteogram: temperature and dew point, wind speed and wind gusts, pressure, precipitation, altitude cloud cover, freezing altitude - Thermals forecast - Route planner WINDY MADE FOR OUTDOOR SPORTS, SURF & BOATING - 67K+ global webcams - Summer & winter outdoor topographic maps by Mapy.com - 4.5K+ Surfing spots - 12.1K+ Paragliding spots - 4.3K+ Kiting spots - Boating tide forecast - Sun & Moon tracker - Plugins with buoy data WINDY AS A WEATHER WIDGET ON YOUR DEVICE Get the weather now on your iPhone, MacOS, iPad, CarPlay & Apple Watch, from forecast, Radar, METAR, Weather stations & Wind, ready for your travels and outdoor sports. WINDY PREMIUM — FORECAST LIKE A PRO - 1-hour & 15-day outlook with 4–6× daily updates - Radar/Satellite 24h loops & 1-year archives - More maps (Tide Forecast) - Model comparison to find the best model Terms of Use: https://account.windy.com/agreements/windy-terms-of-use Privacy Policy: https://account.windy.com/agreements/windy-privacy-policy GET IN TOUCH Join us on social media or at community.windy.com to discuss weather-related topics, report bugs, or suggest a new feature. Contact us directly at info@windy.com.