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Muggy Sunday in Ottawa after record downpour

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Sunday afternoon in Ottawa will be muggy after the morning brought the city the rainiest July 16 in almost 40 years.

Environment Canada issued a rainfall warning ahead of a line of storms that moved through the capital early Sunday. A thunderstorm with heavy showers rolled through overnight, with rain continuing into the morning.

According to Environment Canada, the official rainfall total at the Ottawa Airport as of 8 a.m. Sunday was 33.2 mm. A volunteer observation in Gatineau, Que. measured 27.1 mm. 

The rainfall record at the Ottawa airport for July 16 is 20 mm, set in 1985.

The rainfall warning ended just before 8:30 a.m. as radar showed a storm system moving away from the capital and into Quebec.

Volunteer observers around Ottawa and eastern Ontario reported the following totals to Environment Canada:

  • Greely: 42.4 mm
  • Kanata: 28.2 mm
  • Rockland: 25.9 mm
  • Carleton Place: 52.8 mm
  • Beckwith: 55.4 mm
  • Perth: 52. 1 mm
  • Parham: 76 mm
  • Central Frontenac: 76 mm
  • Drummond: 67.1 mm

Ottawa forecast

Sunday's forecast is cloudy with a 40 per cent chance of showers and the risk of a thunderstorm in the afternoon. The high is 27 C with a humidex of 35.

The UV index Sunday is 7, or high, and the air quality health index is at 2, or low risk.

The evening will be mainly cloudy with a 40 per cent chance of showers and the risk of a thunderstorm and a low of 18 C.

Monday's forecast is partly sunny with a 40 per cent chance of showers and the risk of a thunderstorm in the afternoon. The high is 27 C with a humidex of 33.

Tuesday's outlook is cloudy with a chance of showers. Wednesday is looking sunny.

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