479
FXUS65 KGGW 102149
AFDGGW

Area Forecast Discussion
National Weather Service Glasgow MT
249 PM MST Mon Nov 10 2025

.DISCUSSION...

KEY MESSAGES:
- There is a brief chance of rain this evening. Then an overall
  ridging pattern will keep temperatures above average this week.

- Next chance for rain or snow is Friday as an upper trough digs
  into the Pacific Northwest.

WEATHER PATTERN OVERVIEW:
A warm front today as allowed very warm temperatures to reach the
ridgetops across the area, while valleys have struggled to warm
up. A cold front with a chance of rain will move through tonight
to bring temperatures down the next couple days. Regardless,
temperatures are still expected to stay above average this week.
Overall ridging will occur through Friday. There is an upper
trough that will move into the western CONUS on Friday.

FORECAST CONFIDENCE & DEVIATIONS:
Main deviations were to adjust winds with a mix of NBM 90 and NBM
for Day 1 and Day 2, and increase PoPs for this evening into the
early overnight. There is high confidence in temperatures to be
near and above normal through the end of the week. There is
moderate confidence of rain showers occurring tonight and rainfall
amounts being below 0.02 inches. There is low confidence on
precipitation amounts on Friday onward.

&&

.AVIATION...
LAST UPDATE: 2000Z

FLIGHT CAT RANGE: VFR

DISCUSSION: A surface cold front will move through tonight to
begin to clear mid to high level clouds southward out of the area.
There is low to moderate (40 to 50 percent) confidence a rain
showers occurring from 01Z to 09Z. There is high confidence that
VFR conditions will remain in place through the TAF period.

WIND: For KGGW and KOLF, west at 10 to 20 knots, decreasing to 5
to 10 knots after 01Z, becoming northwest at 10 to 20 knots after
17Z. For KSDY and KGDV, southwest at 10 to 20 knots, becoming west
at 5 to 15 knots, becoming northwest at 10 to 20 knots after 17Z.

LLWS: There is moderate to high confidence of westerly to
northwesterly low level wind shear at all the terminals through
09Z tonight.

EQUIPMENT: KOLF`s ASOS telecom circuit is down and can not be
dialed into. Therefore, AMD NOT SKED for this TAF until repairs
can be made.


&&

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

$$

weather.gov/glasgow