In the plains districts of Uttarakhand, mercury can cause trouble in the next three-four days. In the plain districts, the temperature may increase by up to four degrees. Whereas, in the mountainous areas also the temperature may increase by two to three degrees. Whereas, the weather is likely to remain dry. The Meteorological Department has predicted a rise of four degrees Celsius in the temperature in the coming three-four days. Whereas, the temperature may increase by two to three degrees in the mountainous areas. In Dehradun and Pantnagar, the temperature can reach up to 38 degree Celsius.