Ottawa could see 30-50 mm of rain today. Here’s when the rain will start

Here is your local and regional forecast for June 27, 2025

Mother Nature is threatening to rain out activities on the final Friday of June, with up to 50 millimetres of rain expected today and tonight.

Environment Canada has issued a special weather statement for Ottawa, calling for “locally heavy rainfall in thunderstorms.” Some areas could see 30 to 50 mm of rain this afternoon through tonight.

“Heavy showers and thunderstorms are expected today as a low-pressure system tracks east across the region,” Environment Canada said in a statement. “Heavy downpours can cause flash floods and water pooling on roads.”

The rain is expected to begin around 3 p.m. The forecast calls for a break in rain between 8 p.m. and 11 p.m., before showers continue overnight.

Environment Canada says it will be a mainly cloudy day with showers beginning this afternoon. Local amount 5 to 10 mm of rain. High 25 C with the humidex making it feel like 27.

Showers tonight. Low 17 C. Environment Canada says some areas could see 10 to 20 mm of rain.

Saturday will be mainly cloudy with a 60 per cent chance of showers. There is a risk of a morning thunderstorm. High 26 C with the humidex making it feel like 34.

Sunday will see a mix of sun and cloud. High 26 C.

The outlook for Monday calls for a mix of sun and cloud. High 30 C.

Tuesday will be cloudy with a 40 per cent chance of showers. High 28 C.

The normal temperatures for this time of year are a high of 26 C and a low of 15 C.