Bolton - weather

april 4, 2026

Bolton

Heavy rain this weekend. What: Rainfall amounts of 20 to 40 mm. The ground may have little ability to absorb further moisture due to recent rainfall events. When: Saturday into Saturday night. Additional Information: A Colorado low will bring rain to the area Saturday, beginning with periods of rain during the day. The heaviest rain is expected to fall Saturday evening and Saturday night, with locally higher amounts possible in thunderstorms. For information concerning flooding, please consult your local Conservation Authority or Ontario Ministry of Natural Resources office. Visit Ontario.ca/floods for the latest details. ### Water will likely pool on roads and in low-lying areas. Visibility will likely be suddenly reduced at times. Please continue to monitor alerts and forecasts issued by Environment Canada. To report severe weather, send an email to [email protected] or post reports on X using #ONStorm. 04:04 To 20:04