First Warning Forecast: Heating up and building humidity

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Posted at 4:29 AM, Aug 09, 2021
and last updated 2021-08-09 10:59:02-04

Meteorologist Myles Henderson’s First Warning Forecast

Back to the summer heat & humidity… Expect a nice mix of mostly sunny to partly cloudy skies today. An isolated shower or storm could fire up this afternoon, but most areas will stay dry. Highs will warm to the upper 80s today, near normal for this time of year. It will be humid, pushing the afternoon heat index into the low and mid 90s.

Get ready for a hot and humid stretch of days. Highs will warm to the low 90s for the rest of the week. The afternoon heat index will climb to the upper 90s on Tuesday and closer to 100 for Wednesday, Thursday, and Friday. Expect a mix of sun and clouds each day with an afternoon “pop-up” shower or storms possible. The chance for showers and storms will go up for the end of the work week and the weekend as a cold front moves in.

Today: Mostly Sunny to Partly Cloudy. Highs in the upper 80s. Winds: S/SE 5-10

Tonight: Partly Cloudy. Lows in the low 70s. Winds: S 5-10

Tomorrow: Mostly Sunny to Partly Cloudy. Highs in the low 90s. Winds: S 5-10

Weather & Health

Pollen: Medium (Grasses)

UV Index: 9 (Very High)

Air Quality: Good (Code Green)

Mosquitoes: Extreme

Tropical Update
Tracking a low pressure system located about 150 miles east of Barbados. Environmental conditions are expected to be conducive for additional development, and a tropical depression is likely to form later today or tonight while the low moves WNW at 10 to 15 mph. The disturbance is forecast to reach portions of the Lesser Antilles tonight, then move near the Virgin Islands and Puerto Rico on Tuesday and be near Hispaniola around the middle of this week.
* Formation chance through 48 hours: High (70%)
* Formation chance through 5 days: High (70%)

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Tracking an elongated low pressure area located several hundred miles east of the Lesser Antilles. Development of this system is becoming less likely during the next few days while it moves toward the west or WSW at around 10 mph.
* Formation chance through 48 hours: Low (10%)
* Formation chance through 5 days: Low (20%)

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