Area Forecast Discussion
Issued by NWS Rapid City, SD

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FXUS63 KUNR 252322

Area Forecast Discussion For Western SD and Northeastern WY
National Weather Service Rapid City SD
422 PM MST Sun Feb 25 2018

.DISCUSSION...(This Evening Through Sunday)
Issued at 1235 PM MST Sun Feb 25 2018

Upper trough continues to push across the central states, with
another wave moving into the Pacific Northwest, and ridging in
between. Skies across the Dakotas are mostly sunny. Surface winds
are southwesterly around 10-20 kts, with a weak warm front moving
into the CWA. Temperatures are in the 20s and lower 30s.

Warmer air will continue to advect into the area on Monday, with the
region under southwest flow. The next trough will cross the region
Tuesday into Wednesday, but most of the energy will stay to the
south. Just some clouds and cooler temperatures are expected for
midweek. Upper ridging will allow for a warmup Thursday and Friday,
with continued dry weather.

A low pressure system will approach the northern plains next
weekend. The ECMWF and GFS are now showing a more northerly track of
the low, which would keep most of the precip to the north and east
of the CWA. However, it still looks like cooler air will return for
at least the latter half of the weekend.


.AVIATION...(For the 00Z TAFS Through 00Z Monday Evening)
Issued At 421 PM MST Sun Feb 25 2018

VFR conditions are expected through Monday afternoon. Gusty
southwest winds will develop over northeast WY/Black Hills tonight
with the strongest winds over northeast WY. These higher winds
will lessen as they shift to the northwest Monday afternoon.




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