Through Friday strong westerlies will bring snow above 700-1000m. The tail end of the storm is calling for wind gusts up to 120km/h mixed with precipitation.
By Friday night the storm should be clearing to bring mainly clear skies, which will get the fresh snow time to settle. Depending on the avalanche forecast, the comp could take place on Saturday or Sunday.
To check in on the action, go to worldhelichallenge.com.
Images from weather.com and worldhelichallenge.com