Strong tornadoes, 'giant' hail possible Monday as storms target U.S.
Oshawa's weather forecast for May 5: Bright skies and gentle breezes
Niagara Falls' weather forecast for May 6: Sunny with a hint of breeze
Days of rain as potent storm parks over the Prairies, risk of 100 mm
Drenching rains will disrupt the week for many on the Prairies