Redstone, Montana Weather Forecast Discussion

392
FXUS65 KGGW 221116
AFDGGW
Area Forecast Discussion
National Weather Service Glasgow MT
516 AM MDT Mon Sep 22 2025
.DISCUSSION...
KEY MESSAGES:
- Gusty northwest winds and chances for rain continue today behind
  the cold front passage.
- A Lake Wind Advisory is in effect through 6pm today.
- After cool temperatures today, the remainder of the week will
  feature above normal temperatures and dry weather.
WEATHER PATTERN OVERVIEW:
Cold front moving into North Dakota early this morning, with a
narrow upper trough sliding into central Montana. This trough is
expected to push south then east, forming a partially closed low.
This will form the eastern low on a quasi omega block with another
low off the southern California coast. The upper ridge of the
system will extend north into Montana by midweek with fast zonal
flow over Canada.
Occasional windy conditions expected today, with a few showers
this morning as the upper trough moves east. Cooler temperatures
will also drop south behind the front, before warming into midweek
with the building ridge. Temperatures level off after midweek with
the Canadian zonal flow becoming more dominate for northeast
Montana.
FORECAST CONFIDENCE & DEVIATIONS:
Winds were increased today with a blend of the current forecast
and NBM90.
&&
.AVIATION...
VFR. Cold front passage early this morning brought occasionally
gusty northwest winds to the region. Clouds and a few showers
will spread east through northeast Montana today, with clearing
skies and light winds tonight.
EQUIPMENT: KSDY AMD NOT SKED will remain in place until METARs
comms issue is repaired.
&&
.GGW WATCHES/WARNINGS/ADVISORIES...
Lake Wind Advisory until 6 PM MDT this evening for Central and
Southeast Phillips-Central and Southern Valley-Garfield-McCone-
Petroleum.
&&
$$
weather.gov/glasgow

NWS GGW Office Area Forecast Discussion