5/3/2011 RGV Outlook


Today’s High and Low Temperatures Around the RGV:

Brownsville:  76/60
Harlingen:  76/61
McAllen:  82/62
Edinburg:  81/62
S. Padre Island:  72/59
Weslaco:  79/61

Today was a gorgeous day if you like temperatures in the 70s and sunny skies.  The wind was a bit gusty at times, but hey, it hadn’t been this cool in the Valley for a few months, and very rare for the month of May.   Unfortunately, yesterday’s cold front brought minimal amounts of rain for the Rio Grand Valley.  Some areas didn’t even see a drop.  Although I did say your area may not get any rain, I will take full responsibility for a busted rain forecast.

As for the next 3 days, zonal flow at 500mb will keep things stable near the surface.  A few high clouds will remain into tonight, otherwise clear skies will make it another chilly night here in the Valley.  Lows tonight will be in the lower 60s/upper 50s for much of the area.

5/4/2011: Winds will begin to turn from northeast to east throughout the day tomorrow.  Afternoon highs will be in the upper 70s near the coast and lower to middle 80s in the middle and upper Valley under mostly clear skies.  Easterly winds will persist into tomorrow night.  Skies will be partly to mostly cloudy, as low level moisture from the Gulf of Mexico enhances cloud cover.  Lows will begin rising tomorrow night, ranging from middle 60s to lower 70s.

5/5/2011:  Things start warming up on Thursday as a ridge settles over the Valley.  This will bring back southerly and southeasterly winds.  With a low pressure system in the middle United States, this will tighten up the pressure gradient, and thus,  increasing winds.  Afternoon highs will be in the upper 80s in the eastern Valley and lower 90s in the upper Valley, under partly sunny skies.   Lows Thursday night will be in the upper 60s and lower 70s.

5/6/2011:  On Friday, low level clouds will begin to thicken up most of the day.  Temperatures will continue to rise.  Afternoon temperatures will be in the lower 90s for much of the middle and upper Valley.  Although, cloud cover may keep temperatures from reaching its potential highs.  A few models are spitting out rain on Friday morning and afternoon.  As of right now, I don’t believe them.  However, there may be enough moisture to support a few sprinkles around the Valley.  I left any chance for rain out of my forecast for now.  Winds will be out of the southeast around 10-15 mph.  Friday night will be mild and more muggy as dewpoints increase.

Edinburg’s 3-Day Forecast:

Figure 1. Edinburg's 3-Day Forecast. Issued on 5/3/2011


About Brian

University of Oklahoma graduate with a degree in Meteorology. Follow me on Twitter: @WeatherInformer
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