054
FXUS65 KGGW 150825
AFDGGW

Area Forecast Discussion
National Weather Service Glasgow MT
225 AM MDT Tue Jul 15 2025

.DISCUSSION...

KEY MESSAGES:
1) Gusty northeast winds will continue today with a Lake Wind
Advisory in effect for Fort Peck Lake until 6 pm.

2) Widespread wet weather is expected today and tonight which
will diminish on Wednesday. Additional rainfall today through
Wednesday will be light north of US 2 and heavy south of the
Missouri River.

3) Temperatures will be cool today and Wednesday and gradually
warm to near normal by this weekend.

WEATHER PATTERN OVERVIEW:

Gusty northeast winds will continue most of today and diminish in
the late afternoon and early evening. The Lake Wind advisory is
in good shape with no changes made to that product which goes
until 6 PM today.

Moist WSW flow will continue today and tonight with frequent
showers and thunderstorms most of which will be south of US
Highway 2. The upper trough moves through eastern Montana
Wednesday morning with the rain expect to diminish during the day
on Wednesday.

Most areas south of the Missouri River will have at least 0.50"
today through Wednesday while some areas will exceed 1.00". NBM
probability of an inch or more of additional rain is greatest
over the southwest zones (30 to 50 percent) across the Little
Rockies and toward Winnett and Jordan.

Ensembles support a return to near normal temperatures by the end
of the week but with active weather continuing at times.

FORECAST CONFIDENCE & DEVIATIONS:

Confidence otherwise is high for cool weather through Wednesday
and high for the wet weather conditions today and tonight south of
US 2. Confidence in rainfall today and tonight diminishes going
north of US 2 where less frequent rain is expected today and
tonight. NBM was used for the forecast cycle and captured
expected trends well.



&&

.AVIATION...

LAST UPDATED: 0815Z on July 15, 2025

FLIGHT CAT RANGE: Variable between IFR and MVFR most of the time
today and tonight with VFR conditions at times.

DISCUSSION:
Frequent showers and thunderstorms will bring mainly IFR and MVFR
ceilings and visibilities most of the time today and tonight. VFR
conditions will occur at times especially when there are breaks in
the low clouds and rain.

Winds: Look for NE winds 10 to 20 knots today becoming east to NE
5 to 10 knots tonight.

&&

.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