His resignation comes in the wake of uncertainty over the Election Commission announcing bypolls in the state ahead of the assembly elections, which are due next year.
Rawat, who replaced Trivendra Singh as the chief minister in March this year, was summoned to the national capital by the central BJP leadership on Wednesday. This had raised speculations that he may be asked to step down from his post.
The Uttarakhand BJP will hold its legislature party meeting at 3pm on Saturday which will be chaired by state BJP president Madan Kaushik, state BJP media in charge Manveer Singh Chauhan said.
All party MLAs have been asked to attend the meeting, he said.
Tirath Singh Rawat, a BJP MP, would have had to get elected as an MLA within six months of assuming office if he were to continue his term.
Sources told TOI that the poll panel was unlikely to hold byelections in Haldwani and Gangotra, the two seats that are vacant, since there is less than a year left before the term of the assembly ends on March 23, 2022.