Q. Would a weather forecast predicting rain during the night make one patur from sleeping in the succah or must one go out to sleep and only go inside once it actually starts to rain?

A. Horav Shlomo Miller’s Shlit”a opinion is that weather forecast are not always accurate and even when the predicted rain does come it may be delayed or possibly not fall in all the predicted locations equally. However if one believes in the accuracy of weather forecasts to the point that the predicted possibility of rain causes him discomfort and anxiety, he is exempt from sleeping in the suka.

Rabbi A. Bartfeld as revised by Horav Shlomo Miller Shlit’a.