Area Forecast Discussion
Issued by NWS Sioux Falls, SD

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FXUS63 KFSD 262026

Area Forecast Discussion
National Weather Service Sioux Falls SD
326 PM CDT Wed Jul 26 2017

.SHORT TERM...(This evening through Thursday)
Issued at 326 PM CDT Wed Jul 26 2017

Widely scattered showers will continue to drift south and east of
the Interstate 90 corridor through this afternoon, gradually
dissipating as dry air advects southwards this evening.

Clouds will gradually clear tonight, allowing temperatures to fall
into the lower 60s in most areas.   Watch out for a bit of patchy
fog given the recent rains, light winds, and cooler temperatures.

High pressure dominates the region on a very sunny Thursday.  Light
winds will only help boost afternoon temperatures in the lower 80s.

.LONG TERM...(Thursday night through Wednesday)
Issued at 326 PM CDT Wed Jul 26 2017

Relatively quiet period through the extended with a few sporadic
chances of rain. Overall, looks mainly dry and seasonal with upper
level ridge building over the western half of the US. GFS/Canadian
still hint at the potential for showers and storms Saturday night
into Sunday morning.  Convergence doesn`t appear to be all that
strong with nose of the low level jet focused to the north.

Mainly dry conditions with temperatures slightly above seasonal
norms are expected early next week. A cold front is expected to
approach from the northwest, creating the potential for scattered
thunderstorms Wednesday afternoon/evening.


.AVIATION...(For the 18Z TAFS through 18Z Thursday afternoon)
Issued at 1127 AM CDT Wed Jul 26 2017

MVFR ceilings will linger around Sioux City through the afternoon
hours, with widely scattered showers trying to redevelop between
FSD and SUX.

By this evening, clouds should begin to clear from north to south,
leaving VFR conditions through Thursday.




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