A cutting-edge weather station and AI-powered app provide you a better forecast.
Introducing Tempest, the meticulously designed personal weather system that delivers unmatched accuracy 
Need to cover your plants overnight? Trying to plan a backyard barbecue with a forecast that keeps changing? The guessing game is over. With powerful technology that provides an accurate forecast of your specific weather conditions, Tempest is the first app that knows your weather.  
A Weather Station So Advanced, It's Simple.  A design with no moving parts, nearly zero maintenance and instant online weather and forecasting data. Install the Tempest home weather system in less than five minutes and it will do the rest!
Weather observations stream instantly from the solar-powered, wireless Tempest station through WeatherFlow’s data center and are used to help provide a better forecast for your exact location.
The Tempest System provides real-time weather observations wherever it's placed. This unique weather data is shared with the National Weather Service, contributing to a more accurate general forecast and helping us all predict and prepare for hazardous weather.  
Enable your thermostat to use the weather conditions outside your home to conserve heating and cooling use. Automate your sprinklers to operate based on rainfall. Get text alerts when lightning is approaching. Save time and money with a home that can optimize itself.
 Unconditional Return Policy - Tempest comes with a 60 day money back guarantee, no questions asked.  
 Better Forecast Guarantee - Tempest guarantees an improved weather forecast for your location. If you aren't blown away, simply return it within 8 months of use. 
 Two Year Warranty - We stand behind all hardware components. If something stops working in the first two years, we'll replace it. 
 Ten Year Extended Warranty - If your Tempest fails at anytime, we will replace it with the latest technology at a greatly reduced cost. 
 Data Dividend - Get paid just for keeping the data flowing. 
 
WeatherFlow is a highly experienced team of programmers, meteorologists, engineers and data scientists. We have been providing better weather forecasts and decision support for more than twenty years and our current team has grown to over forty, including seven PhD scientists. We’re renowned for designing and operating professional-grade weather networks and providing highly localized forecasting. Our products include software tools and consumer apps that deliver our unique data and forecasts. In recent years, we’ve refined our data analytics to benefit from personal systems within our data network and our first generation home weather station is selling on Amazon today.
No other home weather station comes close. With no moving parts and  near-zero maintenance, simply install and instantly watch the data pour in. 
 
Proprietary Sensor Hardware 
Rain. The Tempest's haptic rain sensor calculates the force of each falling raindrop, so you’ll know precisely when the rain began, rain intensity, rain duration and total accumulation.
Lightning. Tempest will alert you to lightning activity in your area and alerts you as storms get closer. It detects both cloud-to-ground and cloud-to-cloud strikes up to 25 miles (40km) away.
Temperature.  Tempest measures air temperature, but also reports the "feels like" temperature that's more relevant for human beings.
Humidity. By measuring relative humidity, Tempest reports dew point temperature, an indication of how muggy if feels.
Pressure. Both station pressure and sea-level pressure (corrected for your elevation) are reported by Tempest.
Sunlight. Tempest reports UV index, solar radiation, and total brightness.
Tempest Also Reports: Wind Chill, Heat Index, Dew Point Temperature, Wet Bulb Temperature, Delta T, Air Density, and more.
Fully Solar Powered. Tempest has integrated solar panels and a lifetime rechargeable battery. It takes less than a full day of sun to charge, and it'll run for up to two weeks with no sun at all. Never change a battery again!
Totally Wireless. The Tempest kit includes a small WiFi Hub that sits anywhere inside your home  within range of your WiFi signal). Thanks to an incredibly long-range connection to the Hub, you can place the Tempest station up to 1000 feet (300 m) away and never miss a bit.
 
Add-On Items:
Battery Backup Device. In the event of a power outage the battery backup will keep your Hub running for at least seven days.
Cellular Pro Hub. Want to ensure that data collection continues in the event of an Internet outage? Or need to place your Tempest at a location without WiFi? The Pro Hub contains a cellular modem that can connect to just about any mobile network in the world. It comes with a prepaid data plan for at least 750 hours, providing continuous streaming during internet outages at no extra charge. Users without WiFi can opt to operate their Hub at the standard cellular data upload rate for at least two years.
Remote Solar Enclosure. House your Pro Hub and battery backup inside our weatherproof enclosure with solar panel for fully remote operation, anywhere with sunlight and a cellular connection.