654
FXUS65 KGGW 010742
AFDGGW

Area Forecast Discussion
National Weather Service Glasgow MT
142 AM MDT Sat Nov 1 2025

.DISCUSSION...

KEY MESSAGES:

- A warm up is expected today with temperatures staying slightly
  above normal into next week.

- There will be strong winds on Sunday.

WEATHER PATTERN OVERVIEW:
A surface warm front will move through the area this morning to
bring temperatures above normal today. Then a cold front will move
through tonight to bring west to northwest winds up quite a bit on
Sunday. A High Wind Watch is in effect for the Little Rockies for
most of the day Sunday, and the rest of the area will see gusty
winds. Any precipitation that occurs will have little to no
accumulation now through Monday.

Monday onward: Flow becomes zonal aloft with some indicators of
weak ridging. Expect steady temperatures and minimal rain chances
to continue.

FORECAST CONFIDENCE & DEVIATIONS:
There is moderate confidence other wind products will need to be
added regarding high winds for Sunday outside of the Little
Rockies. There is high confidence a Lake Wind Advisory will be
issued for Fort Peck Lake on Sunday. There is high confidence
multiple locations in the area will see gusts up to 50 mph on
Sunday.

Used a half and half blend of NBM 90 and NBM through tonight for
winds. Used two parts NBM 90 to one part NBM for winds and wind
gusts on Sunday. The remainder of the forecast is base NBM.

&&

.AVIATION...
LAST UPDATED: 0845Z

FLIGHT CAT RANGE: Mostly VFR.

DISCUSSION: A high pressure system will temporarily be in place
through tonight. There is high confidence of VFR conditions
occurring through the period, with mainly highly clouds moving
through.

WINDS: For KGGW, southeast at 10 to 15 knots, becoming southwest
5 to 10 knots after 18Z. For KOLF, light and variable becoming
southwest at 6 to 12 knots after 18Z. For KSDY and KGDV, south
southwest at 6 to 13 knots.

LLWS: There is high confidence of westerly wind shear moving into
all TAF sites after 03Z.

&&

.GGW WATCHES/WARNINGS/ADVISORIES...
High Wind Watch from late tonight through Sunday afternoon for
Southwest Phillips.

&&

$$

weather.gov/glasgow