A red alert, which is a warning of extremely heavy rain, has been issued for some districts for Friday, including for all of Coastal Karnataka, Shivamogga, Chikkamagaluru and Davangere.
Authorities in Dakshina Kannada and Shivamogga declared a holiday for all schools on Thursday.
In Shivamogga district, many residential areas and agriculture land have been inundated. People who were stranded were rescued by Fire and Emergency Services personnel with the help of ropes and shifted to safer places.