
Weather Force
A METAR-based, dynamic real-time weather engine — accurate weather data, automated dynamic transitions using real-world METAR data, historic weather and snow depth control.
Weather Force in action
Achieve seamless inter-process communication and precise control over weather changes with state-of-the-art features like accurate weather data, automated dynamic transitions while using real-world METAR data, and historical weather. Enhanced realism with features such as snow depth control.
Snow Accumulation Time Lapse
A brief time-lapse showcasing snow buildup while utilizing the REX Weather Force weather engine within Microsoft Flight Simulator.
North of Hurricane Zeta's Eyewall
A time-lapse showing REX Weather Force conditions near Hurricane Zeta's eyewall at KBHM Birmingham Shuttlesworth International Airport in Microsoft Flight Simulator.


Weather modeled from the source.
METAR data updates six times hourly from NOAA, providing precise details within a 1/8-mile radius. Weather Force integrates METAR and model data using advanced algorithms, extending coverage to remote areas like deserts and oceans. The GFS Model, updated twice daily by NCEP, supplies crucial upper-level temperature and wind conditions.

Find and load any conditions.
Weather Force offers a user-friendly weather search feature to meet your needs, whether you're checking specific weather conditions or planning your departure from a particular airport. Simply input your choice, airport or weather criteria, and get ready to go!

Non-static presets that evolve as you fly.
Elevate your weather simulation experience with Weather Force's dynamic presets that continuously evolve over time. These presets adapt to changing conditions, providing a more realistic and immersive experience.
Experience dynamic, evolving weather with Weather Force's exclusive presets, enhancing your flight simulation with a variety of weather elements.

Weather, taken to the next level.
Microsoft Flight Simulator provides a strong foundation for weather simulation, but Weather Force takes it to the next level by offering a more comprehensive and immersive weather environment. Accurate weather rendering while remaining faithful to real-world METAR data.

Blend every weather update.
Seamless weather transitions with Weather Force's smoothing mechanism that gradually blends weather updates over time. Plus, you have complete control over weather update factors and transition speed to customize your simulation experience.

Five years of weather, on demand.
The Weather Force historic data offers a comprehensive archive of weather data spanning five years, accessible by date and hour for locations worldwide. This extensive database allows users to search weather conditions for a specific airport location or based on particular parameters such as weather condition, visibility, clouds, or winds for any chosen date and time. This data can be seamlessly injected into the simulator, providing a transformed weather experience for the selected date and time.
What pilots are saying
“You guys have an amazing product that has greatly improved the overall accuracy of my flights. I hope you will take it to the next step to make it even better.”
“Using Weather Force now seems natural and fits nicely into my flow to get airborne, it's as easy as: set up flight, start Weather Force, fly!”
“Love the REX Weather Force app, best thing I've bought for MSFS 2020.”
Available at trusted retailers

Fly the real sky.
Accurate, living weather that evolves with every minute of your flight.