• Friday

    May 24

    14°Lo 5°

    Cooler; a shower in the a.m.

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more

  • Saturday

    May 25

    17°Lo 7°

    Sunshine, breezy and cool

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      350 - High
    more

  • Sunday

    May 26

    18°Lo 7°

    Mostly sunny and breezy

    Extreme indoor dust & dander levels
    • Precip
      0%
    • Wind
      Speed
      21 k/h
    • Cloud
      Cover
      24%
    more
Next Previous
Top Story

St. Catharines Weather Report

Update on Severe T-storm and Alberta Rainfall Potential

May 22, 2013; 3:02 PM ET

We have potential severe weather in the East this evening and the potential for heavy rainfall Thursday and Friday for parts of Alberta. more >

St. Catharines Weekend Weather Chat