High pressure slides offshore with warm and slightly more humid return flow developing

Today’s Weather Synopsis…

High pressure will slide southeast of the region and off the mid-Atlantic coast today with very warm conditions as high temperatures will approach 90 degrees in the Capital Region thanks to a developing return flow. Some convective debris clouds moving in from the west could filter the sun at times, along with the development of some fair weather cumulus, but it will remain dry. Humidity levels will slowly begin to rise through the day with dew points rising into the 60’s this afternoon.

A pre-frontal trough ahead of a cold front will begin to approach the region from the Great Lakes on Monday with increasing clouds and a slight chance of showers or thunderstorms in the late afternoon, especially north and west. As the trough slowly moves through Monday night, scattered showers and thunderstorms will remain possible, but with the loss of daytime heating and the feature weakening, not much is expected. The cold front will then approach and move across the region on Tuesday with scattered showers and thunderstorms becoming likely into the afternoon. Some severe weather is possible depending on the amount of instability that can develop and that will depend on the amount of sunshine and heating, which could be limited in the morning. The front will slowly advance east into Tuesday night, but a wave of low pressure moving along the front to the east will keep a chance of showers and thunderstorms in the forecast for Wednesday, especially in eastern areas, with cooler temperatures expected as well. An area of high pressure will then build in from the west with fair and dry weather on Thursday, likely continuing into late week. The next cold front looks to arrive on Saturday.

The Capital Region forecast for the next 48 hours…

• This Morning: Partly sunny.
Temperatures: 67° to 71°
Winds: South 5-10 mph.

• This Afternoon: Partly sunny and very warm.
Temperatures: 87° to 91°
Winds: South 5-10 mph.

• Tonight: Partly cloudy.
Temperatures: 64° to 68°
Winds: South 5-10 mph.

• Monday: Partly sunny, warm and humid with a slight chance of showers and thunderstorms in the afternoon.
Temperatures: 84° to 88°
Winds: South 10-15 mph.

• Monday Night: Mostly cloudy with a chance of scattered showers and thunderstorms.
Temperatures: 65° to 69°
Winds: South 5-10 mph.

A look ahead…

• Tuesday: Mostly cloudy with a chance of scattered showers and thunderstorms in the morning, then showers likely and possibly a thunderstorm in the afternoon.
Temperatures: 81° to 85°
Winds: South 5-10 mph.

• Wednesday: Partly sunny with a chance of showers and thunderstorms in the afternoon.
Temperatures: 78° to 82°
Winds: Northwest 10-15 mph.

• Thursday: Mostly sunny.
Temperatures: 80° to 84°
Winds: Northwest 5-10 mph.

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