Environment Canada has ended its tornado watch and warnings for all Saskatchewan communities Sunday.

Earlier in the day it was tracking a severe thunderstorm capable of producing a tornado.

These weather developments can change quickly. Check the Environment Canada website for the latest up-to-date information.

As of 1:40 a.m. CST there is a tornado watch issued for:

Hudson Bay, Porcupine Plain, Sask.

Melfort, Tisdale, Nipawin, Carrot River, Sask.

Humboldt, Wynyard, Wadena, Lanigan, Foam Lake, Sask.

The areas about 150 kilometres east of Saskatoon were under a tornado warning at about noon on Sunday.

The following communities were being warned about the possible "dangerous and potentially life-threatening situation." The warnings have since ended for:

RM of Lake Lenore, including St. Brieux, Sask.

RM of Pleasantdale, including Naicam and Pleasantdale, Sask.

RM of St. Peter including Muenster and Lake Lenore, Sask.

RM of Spalding, including Spalding, Sask.

There is also a risk of "damaging winds, large hail, and locally intense rainfall." Environment Canada's automated warnings suggests people take cover if threatening weather approaches.