Area Forecast Discussion
Issued by NWS Bismarck, ND

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264
FXUS63 KBIS 220454
AFDBIS

Area Forecast Discussion
National Weather Service Bismarck ND
1154 PM CDT Mon Aug 21 2017

.UPDATE...
Issued at 1154 PM CDT Mon Aug 21 2017

Surface high pressure in southern Saskatchewan will slide
southeast into south central ND by late Tuesday afternoon.
Current dewpoints in the west in the mid/upper 30s. Dry air and
light winds will allow for cooler overnight temperatures. Minot
AFB already at 48 degrees, with several other locations already in
the mid to upper 40s. Coordinated with surrounding offices and
have lowered overnight temperatures across western/central ND with
this update. Latest satellite imagery shows a few mid/high clouds
streaming through western/central ND, and expect this to continue at
times through Tuesday.

UPDATE Issued at 842 PM CDT Mon Aug 21 2017

Winds have been diminishing as expected this evening, and have
updated the worded forecast accordingly. Blended in current
conditions to the grids, otherwise not much to change with the
forecast.

UPDATE Issued at 639 PM CDT Mon Aug 21 2017

Radar mosaic shows a few showers and thunderstorms moving across
northeast North Dakota. Those are expected to remain east of the
forecast area. High pressure builds into the region tonight which
will help winds to diminish this evening. Did not make any large
scale changes to the going forecast with this update.

&&

.SHORT TERM...(This evening through Tuesday)
Issued at 220 PM CDT Mon Aug 21 2017

Tonight and tomorrow appears cool and quiet. With surface high
pressure and clear skies temperatures tonight will likely fall
into the 40s.

.LONG TERM...(Tuesday night through Monday)
Issued at 220 PM CDT Mon Aug 21 2017

Dry and mild through Friday. Southwest flow emerges Friday/Friday
night with a shortwave and associated cold front pushing through
resulting in a chance of showers and thunderstorms. This lingers
in the James River Valley Saturday. Generally dry weather returns
Sunday. Highs through the period mostly remain in the 70s to lower
80s.

&&

.AVIATION...(For the 06Z TAFS through 06Z Tuesday night)
Issued at 1154 PM CDT Mon Aug 21 2017

SKC to a few/sct mid and high clouds through the TAF Period.
Northwesterly winds 10kt to 15kt Tuesday afternoon at
KMOT/KBIS/KJMS, with lighter winds west.


&&

.BIS WATCHES/WARNINGS/ADVISORIES...
NONE.
&&

$$

UPDATE...KS
SHORT TERM...AJ
LONG TERM...AJ
AVIATION...KS



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