IS Supersää

Weather forecasting becomes smarter when you see two expert opinions side by side. IS Supersää displays competing forecasts from the Finnish Meteorological Institute and Foreca simultaneously, letting you weigh both predictions and decide which forecast aligns best with your local conditions — or find the truth somewhere in between.

Stay informed with hourly and extended forecasts tailored to your needs. The hourly forecast breaks down temperature, wind, and "feels like" readings for the next 24 hours, accounting for how wind chill affects your perception of cold. Plan your week ahead using the 9-day forecast, which includes minimum and maximum temperatures, weather type, wind speed, rain probability, and rainfall amounts. Every detail you need is presented clearly and at a glance.

Manage multiple locations effortlessly by adding favourite places — whether it's your grandma's home, your workplace, or a holiday destination. View weather for all your saved locations on a single page, making it simple to check conditions across the places that matter to you. Weather warnings keep you safe by alerting you to storms, forest fires, and other hazards affecting your location and your favourites. A larger, interactive rain map lets you explore precipitation observations and forecasts across Finland with full zoom and timeline controls, so you can track weather patterns precisely.

Customize your experience with dark mode support that respects your operating system settings, reducing eye strain in low-light environments. Language options include English, Finnish, and Swedish, ensuring accessibility for all users. Pollen forecasts help you plan outdoor activities and manage allergies, with detailed information for locations throughout Finland.

Bring weather information to your home screen with customizable widgets that display the latest forecast instantly. If you enable location access for widgets, they update automatically even when the app is closed, keeping your weather data current without manual refreshes.

IS Supersää respects your privacy while delivering localized, accurate weather intelligence. Enable location services in settings for the most precise forecasts and interactive rain map positioning, or use the app without location access if you prefer. Whether you're comparing forecast accuracy, monitoring multiple locations, or staying alert to severe weather warnings, IS Supersää gives you the tools to make informed weather decisions every day.