June 19, 2013: Sunny, Mild Ending To Week

Forecast Highlights:

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A cold front moved through the region last night after having produced widespread showers and thunderstorms, some of them strong/severe, especially over northern NJ where 1-2 inches of rain fell and flash flooding was observed. A high pressure building into the region will provide mostly sunny skies and mild temperatures through Saturday, followed by a hot and humid air mass building into the region for next week along with a risk of scattered thunderstorms.

 

 


Today – Saturday: Dry, Sunny, Mild

A high pressure over the Great Lakes region continues to slowly extend southeast, providing the region with mostly sunny skies and mild temperatures through Saturday, peaking in the upper 70s to low 80s for highs across most of the area through Friday and the low to mid 80s on Saturday. Wind direction today will be from the north, switching to the southwest for Thursday-Saturday. While daytime temperatures will be near to slightly below average, overnight lows will be at least 5-10 degrees colder than average, falling into the mid 40s to low 50s inland and the low to mid 50s for the rest of the area, except for the immediate NYC area and the coast with lows in the upper 50s to low 60s. The coldest lows are expected tonight, slowly warming into the weekend with lows on Friday night in the mid 50s to low 60s away from NYC and the coast.

Sunday – Next Week: Hot, Humid, Some Storms

As the current trough lifts out of the region and lower heights aloft persist in the NW US, ridging will gradually build into the region, with a high pressure settling offshore with a SW flow bringing a relatively hot and humid air mass into the eastern half of the US from Sunday through at least the middle of next week. Temperatures with this air mass will not be as hot as with typical summer heat waves, but are still expected to reach at least the upper 80s across most of the area, potentially reaching the low 90s during the sunnier days. Humid conditions are expected as well, with dew points likely in the mid to upper 60s resulting in heat index values near/above 90 degrees. While no widespread precipitation is expected at this time, each day may feature a risk of scattered thunderstorms in the afternoon and evening, especially north of NYC. Stay tuned for more information on next week’s outlook.

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