Forecast Alarm app for iPhone and iPad
Set the wind threshold at which you want to receive a notification, configure the frequency of notifications and you can rest easy.
Forecast Alarm monitors the Arpège, Arome, GFS, ECMWF, Icon, ECMWF AIFS, NAM USA, NAM Puerto Rico, NAM Haiti models for you.
https://www.forecastalarm.fr/apple_eula_en.html