343
FXUS65 KGGW 230720
AFDGGW

Area Forecast Discussion
National Weather Service Glasgow MT
120 AM MDT Sat Aug 23 2025

.DISCUSSION...
KEY MESSAGES:

- Near to below average temperatures today with a weak, dry cold
  front moving through this evening.

- Monsoonal moisture may make a return near the end of the month.

WEATHER PATTERN OVERVIEW:
With surface high pressure and northwest upper level flow aloft, a
quiet period will remain in place for at least the next 3 days. A
weak and dry cold front will pass through this evening to bring
winds from the northeast. Cool overnight temperatures are expected
the next couple nights before a warming trend occurs throughout
the week.

On Thursday, there is moderate (50 percent) confidence that monsoonal
moisture will move into Montana from the south and increase
clouds. There is low (20 percent) confidence on precipitation
occurring with this moisture.

FORECAST CONFIDENCE & DEVIATIONS:

Increased winds to NBM 90 late this evening with the passage of a
dry cold front. Decreased temperatures a few degrees for this
mornings low temperatures.


&&

.AVIATION...
UPDATED: 2000Z

FLIGHT CAT RANGE: VFR.

DISCUSSION: Quiet weather with a few high clouds is expected
through the TAF cycle.

WINDS: Light and variable winds, becoming north at 5 to 15 knots
after 18Z, becoming northeast after 00Z.


&&

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

$$

weather.gov/glasgow