This map is not updated anymore, since there are very little snow left and SMHI doesn't take readings in the mountains any longer.
It seems it is going to be a record year, it is very little snow left and with luck, most of it will be gone when you start. Svenska Turistförmedlingen (STF) and their staff at their huts will be able to give more detailed information on the particular sections of the trail you will be visiting https://www.swedishtouristassociation.com