Cooler Days Ahead

RIO GRANDE VALLEY:

For being in the middle of winter, highs were abnormally warm today!  Brownsville reached 84 degrees, Harlingen hit 80 degrees, and McAllen recorded a record high of 89 degrees! Tomorrow, and the next 3 days will be much cooler due to a couple of cold fronts.  Tonight will be mostly clear, lows in the upper 40s/lower 50s.  Patchy fog will develop after midnight, so be careful if driving.

(1/19): Tomorrow will be mostly sunny, with highs in the lower 70s.  Winds will start out of the north, then shift out of the south-southeast around 10 mph.  Tomorrow night will be partly to mostly cloudy with lows near 50 inland and around 60 near the coast.  Winds will be out of the south-southeast at 5-10 mph.  Patchy fog will develop after midnight.

(1/20): Thursday, another cold front will pass through during the afternoon hours.  Highs will reach the mid-70s in most areas around the Valley, under mostly cloudy skies.  There is a slight chance (20%) of showers developing along the front, but most showers will be near the coast, if any develop.  Thursday night will be partly cloudy with north winds at 10-15 mph, with higher gusts.

(1/21): Friday will be even cooler, with highs in the lower 60s.  Skies will be mostly sunny with winds out of the northeast at 8-12 mph.  Friday night will be chilly, with lows in the lower-to-mid 40s under partly cloudy skies.

Edinburg Forecast:

(1/19): 70/54…Mostly sunny skies…Winds N switching to SE at 10-15 mph

(1/20): 74/50…Mostly cloudy skies…Winds switching out of the N at 5-10 mph

(1/21): 60/42…Partly cloudy skies…Winds out of the N at 10-15 mph

REST OF THE NATION:

…South…..

An area of low pressure at the surface is generating rain over MS and AL and extreme S.E. LA.  This low is also responsible for the cold front that passed through the RGV earlier today.  This low will continue pushing east, dumping rain over FL and GA.

…Midwest/Ohio Valley…

There is a shortwave trough at 500mb that is bring snow to parts of IA, S.W MN, and extreme north MO.  Areas of divergence at 300mb are also visible in this area.  Once the shortwave passes, precipitation will stop.

The majority of the Midwest and Central CONUS are under a winter weather advisory due to an approaching, strong upper-level trough  that will cause lots of snow to fall over states such as: KS, OK, MO, IL, and IN on Wednesday and Thursday.

A surface cold front is causing precipitation to fall over the Ohio Valley in the form of a rain and wintry mix, especially in the middle parts of PA.  The front will sweep through the area tonight, changing the rain into snow.  No major winter weather is expected out of this.

….Northeast….

Another area of low pressure along the NJ coast is causing rain/sleet/snow for the Northeast.  Winter storm warnings and watches have been issued for the majority of the area.  This low will move out by Wednesday afternoon, but the surface cold front, currently over the Ohio Valley, will push through on Wednesday, bringing light snow for the area.  Another surface low pressure is forecast to pass south of the area by Friday, bringing more precipitation.

….Northwest…

The Northwest continues to see wave after wave of moisture being pumped from the Pacific.  Flood warnings are still in effect for parts of WA, OR, and ID.  This area will receive a break from precipitation Wednesday, before more rain is forecast to enter the region by Thursday afternoon.

Surface obs and fronts valid at 00Z (6 pm CST) CLICK image to enlarge.

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About Brian

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