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Area forecast discussion...updated
National Weather Service Aberdeen South Dakota
628 am CDT Thu Jul 27 2017

Short term...(today through Saturday afternoon)
issued at 324 am CDT Thu Jul 27 2017

Upper level ridging will slowly build over the region during the
short term period, with just a hint of a shortwave sliding across
the area on Friday. At the surface, high pressure will be dominant
over the northern plains through the day Friday, then gets pushed
east, with the County Warning Area being situated between it and low pressure over
the Lee of The Rockies. May see a few showers or storms develop
across the western County Warning Area Saturday afternoon as the low and associated
frontal boundary begin to push eastward.

Temperatures will be right around normal, with highs in the 80s
today and Friday. Slightly warmer air gets pulled up over mainly the
western half of the County Warning Area on Saturday, with highs in the 80s east to
the lower 90s west. Overnight lows will be in the lower to mid 60s.

Long term...(saturday evening through wednesday)
issued at 324 am CDT Thu Jul 27 2017

Broad mid level ridge over much of the western conus is now progged
to gradually build further north into western Canada, with falling
heights over the eastern conus. This eventually may allow for a
bigger cool off toward the end of the period, but for now
temperatures look to average out near normal for most areas, or
slightly above over the western High Plains. As for pcpn chances,
they don't look great, but there are a couple of opportunities. The
first being Saturday night into Sunday as a weak frontal boundary
combines with marginal moisture/instability and weak energy aloft to
produce some rain. The next chance may come about mid week as
another boundary pushes south into the forecast area. Otherwise,
dry conditions should dominate the long term.

&&

Aviation...(for the 12z tafs through 12z Friday morning)
issued at 627 am CDT Thu Jul 27 2017

VFR conditions are expected through today at all terminals.

&&

Abr watches/warnings/advisories...
South Dakota...none.
Minnesota...none.
&&

$$

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