FXUS65 KGGW 300809
AFDGGW

Area Forecast Discussion
National Weather Service Glasgow MT
209 AM MDT Wed Apr 30 2025

.DISCUSSION...

KEY MESSAGES:

1) Rain showers are possible at times today, tonight, and Thursday.

2) Warmer temperatures are expected this weekend which may
increase fire weather concerns.

3) A change to wetter and cooler conditions is possible early to
middle portions of next week.

WEATHER PATTERN OVERVIEW:

Isolated to scattered rain showers will continue at times today
and tonight in most areas and on Thursday in the east as the
upper level trough moves east through the area. Most places will
not see wetting rains from this system, which may lead to fire
weather concerns this weekend as temperatures warm.

The trough moves to the east Thursday night and upper ridge moves
into the region on Friday. The ridge will remain over the area
through Sunday with warm temperatures that will be in the 80s for
highs in most areas on Saturday and Sunday. Saturday has the
lowest RH which is expected to be in the teens in most areas.

The ridge moves to the east Sunday night and Monday as an upper
trough bring a cold front through the area. Cooler temperatures
will prevail early next week with chances for showers.
FORECAST CONFIDENCE & DEVIATIONS:

Low confidence on precipitation chances today, tonight and
Thursday. High confidence on highs in the 80s this weekend in most
areas. Tweaked one hour pops today and tonight to match
neighboring offices. Otherwise, no changes to base forecast.


&&

.AVIATION...

LAST UPDATED: 0815Z

FLIGHT CAT RANGE: VFR.

DISCUSSION: There will be mid and high clouds with breaks across
the region today and tonight with isolated to scattered showers at
times.

WIND: NW 5 to 15 knots today and less than 10 knots tonight.

&&

.CLIMATE...
Glasgow has had 0.28 inch of precipitation through 29 days in
April. If no measurable precipitation occurs today, Glasgow will
have its driest April since 1984 when only 0.10 inch fell. It will
be the 19th driest April overall.

&&

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

$$

weather.gov/glasgow