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UPDATE: Severe Thunderstorm Watch Cancelled, Rain to Change to Snow

Temperatures are expected to drop 45 degrees by Thursday night.

The National Weather Service in Moon Township has cancelled its severe thunderstorm watch for most of Western Pennsylvania, including Allegheny County.

A flood advisory is in effect for the Ohio River at Pittsburgh. The river at the Point is forecast to rise above 18 feet by Thursday evening, which will flood the Monongahela parking wharf.

The National Weather Service forecasts the river to crest around 18.5 feet by early Friday morning, then fall below 18 feet by Friday evening.

Looking ahead, the rain will be changing to snow as temperatures plunge.

Here is more detailed look at the forecast:

  • Wednesday: Showers. Steady temperature around 56. South wind around 16 mph. Chance of precipitation is 90 percent. New precipitation amounts between a tenth and quarter of an inch possible.
  • Tonight: Rain showers before 3 a.m., then a chance of rain and snow showers between 3 a.m. and 4 a.m., then a chance of snow showers after 4 a.m. Low around 29. Breezy, with a south wind 15 to 24 mph becoming west after midnight. Winds could gust as high as 37 mph. Chance of precipitation is 90 percent. Little or no snow accumulation expected.

Keep checking back with Sewickley Patch for updates.

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