If the Weather Forecast Predicts Rain Is One Still Obligated to Sleep in the Succah

If the weather forecast predicts rain, is one still obligated to sleep in the succah, or can we say that since he knows it’s going to rain, he is mitzta’er and exempt from sleeping in the succah?

R’ Zilberstein (Chasukei Chemed, Succah 29a) discusses this shailah.