392
FXUS65 KGGW 210816
AFDGGW

Area Forecast Discussion
National Weather Service Glasgow MT
216 AM MDT Thu Aug 21 2025

.DISCUSSION...

KEY MESSAGES:

- Isolated to scattered showers overnight will linger into the
  daylight hours of this morning mainly east of Culbertson and
  Circle before moving to the east by mid morning.

- After this morning, mainly dry weather is expected for several
  days with temperatures between near normal to 10 degrees below
  normal.


WEATHER PATTERN OVERVIEW:

A cold front moved through the forecast area last evening.
Isolated to scattered showers and thunderstorms behind the front
will continue early this morning and move to the east a few hours
after sunrise this morning. High pressure will move into the area
this morning with clearing skies.

NW flow aloft will prevail the next several days with mainly dry
weather and temperatures that will vary from near normal to around
10 degrees below normal.

Tonight and Friday, there will be a wave moving along the MT/WY
border that will bring chances for showers and thunderstorms to
southern Montana. The precipitation from this system is expected
to stay south of the forecast area at this time.

FORECAST CONFIDENCE & DEVIATIONS:

No changes made to the NBM at this time.

&&

.AVIATION...
UPDATED: 0815Z.

FLIGHT CAT RANGE: VFR.

DISCUSSION:

Scattered showers and thunderstorms over the area early this
morning will move to the east by 15z. Skies will clear this
morning and remain mostly clear this afternoon and evening. Mid
and high clouds will move into the areas south of the Missouri
River early Friday morning while skies remain mostly clear to the
north.
WINDS: NW 10-20 knots today and north to NW 5 to 10 knots tonight.

&&

.GGW WATCHES/WARNINGS/ADVISORIES...
None.
&&

$$

weather.gov/glasgow