Weather Talk

Weather Blog: Hot and Humid for Wednesday

NORTHWEST ARKANSAS, (KNWA) - The mid-level high center will develop east-southeast toward Northern Missouri over the next 24 hours.

The diurnal convection coverage will be similar to a little less than yesterday, with the better chances shifted a little further south with the high aloft passing by to the north.  

Temperatures today should similar to yesterday's temperatures.  

As yesterday, a few spots in Eastern Oklahoma will approach heat advisory criteria.  For now, we will hold off issuing an advisory.

Only minor day-to-day changes are expected through Friday with the center of the high aloft near St. Louis on Friday.

On Friday the diurnal convective pattern will likely edge back north some.

We will be close to heat advisory criteria on Thursday and Friday. 

If we do not end up with an advisory before, we will likely need heat headlines over the weekend.  

Temperatures should come up another degree or two most areas on Saturday, and come up another couple of degrees on Sunday.  

This will be getting parts of Northeast Oklahoma and West-Central Arkansas at or a bit above 100 F.  

Depending on how well we hold on to dew points, we will likely need a heat advisory or perhaps a heat warning.

While we are only showing max temperatures in the grids to 102 F, a few spots might make 105 F Sunday or Monday. Convection and surface winds will decide that.

Monday and Tuesday are tricky as the air-mass ahead of the approaching front will be very hot and readings could top 100 F those days in parts of the area.  

Increasing clouds will complicate things, as will the increased potential for showers and thunderstorms.


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