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Glendive, Montana 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Glendive MT
National Weather Service Forecast for: Glendive MT
Issued by: National Weather Service Glasgow, MT
Updated: 2:35 pm MDT Aug 14, 2025
 
Overnight

Overnight: A 20 percent chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 58. Northeast wind 6 to 8 mph.
Slight Chance
T-storms

Friday

Friday: A 30 percent chance of showers, mainly before 10am.  Sunny, with a high near 86. East southeast wind 7 to 13 mph, with gusts as high as 18 mph.
Chance
Showers then
Sunny
Friday
Night
Friday Night: Mostly clear, with a low around 62. East wind 8 to 13 mph, with gusts as high as 18 mph.
Mostly Clear

Saturday

Saturday: Sunny, with a high near 90. Southeast wind 7 to 14 mph, with gusts as high as 21 mph.
Sunny

Saturday
Night
Saturday Night: A slight chance of showers and thunderstorms.  Mostly cloudy, with a low around 65. Southeast wind 8 to 14 mph, with gusts as high as 21 mph.  Chance of precipitation is 20%.
Slight Chance
T-storms then
Slight Chance
Showers
Sunday

Sunday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 90. Southeast wind 6 to 8 mph.
Mostly Sunny
then Chance
T-storms
Sunday
Night
Sunday Night: A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight.  Mostly cloudy, with a low around 64. Southeast wind 5 to 9 mph becoming light south southeast  after midnight.  Chance of precipitation is 40%.
Chance
T-storms then
Mostly Cloudy
Monday

Monday: Mostly sunny, with a high near 91. South wind 3 to 6 mph.
Mostly Sunny

Monday
Night
Monday Night: Partly cloudy, with a low around 64. East wind around 6 mph.
Partly Cloudy

Lo 58 °F Hi 86 °F Lo 62 °F Hi 90 °F Lo 65 °F Hi 90 °F Lo 64 °F Hi 91 °F Lo 64 °F

 

Overnight
 
A 20 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 58. Northeast wind 6 to 8 mph.
Friday
 
A 30 percent chance of showers, mainly before 10am. Sunny, with a high near 86. East southeast wind 7 to 13 mph, with gusts as high as 18 mph.
Friday Night
 
Mostly clear, with a low around 62. East wind 8 to 13 mph, with gusts as high as 18 mph.
Saturday
 
Sunny, with a high near 90. Southeast wind 7 to 14 mph, with gusts as high as 21 mph.
Saturday Night
 
A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 65. Southeast wind 8 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Sunday
 
A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 90. Southeast wind 6 to 8 mph.
Sunday Night
 
A chance of showers and thunderstorms before 9pm, then a chance of showers between 9pm and midnight. Mostly cloudy, with a low around 64. Southeast wind 5 to 9 mph becoming light south southeast after midnight. Chance of precipitation is 40%.
Monday
 
Mostly sunny, with a high near 91. South wind 3 to 6 mph.
Monday Night
 
Partly cloudy, with a low around 64. East wind around 6 mph.
Tuesday
 
Sunny, with a high near 95. East wind 3 to 8 mph.
Tuesday Night
 
Mostly clear, with a low around 66. East southeast wind 6 to 9 mph.
Wednesday
 
Sunny and hot, with a high near 96.
Wednesday Night
 
Partly cloudy, with a low around 64.
Thursday
 
Mostly sunny, with a high near 88.

 

Forecast from NOAA-NWS for Glendive MT.

Weather Forecast Discussion
674
FXUS65 KGGW 142055
AFDGGW

Area Forecast Discussion
National Weather Service Glasgow MT
255 PM MDT Thu Aug 14 2025

.DISCUSSION...

KEY MESSAGES:

- Subtle shifts in the flow pattern tonight through Friday makes
  for an uncertain precipitation forecast.

- A more robust SW flow aloft sets up Saturday through Sunday for
  strong to possibly severe thunderstorms.

WEATHER PATTERN OVERVIEW:

Some morning showers and thunderstorms were poorly represented by
the model data, but have now diminished to a quick-passing
sprinkle.

Tonight through Friday, the 500-mb height field shows a subtle
shift in the orientation of the flow pattern over NE MT. This is
probably the reason for the model precip disagreement evident by
comparing 1) GFS/SREF to 2) HRRR/HiRes models. 1) wants to bring a
decent swath of rain through our southern zones, while 2) want to
bring that rain through our central and northern zones. Next shift
will need to watch satellite and radar trends to see which camp
holds true and then update the forecast once that confidence is
finally allowed to increase.

The more robust SW flow aloft set up stronger by Saturday, which
is expected to bring daily chances for strong thunderstorms
through the weekend.

Mid- to Later next week, the ridge of high pressure re-builds into
our region for a return to hot and dry conditions.

FORECAST CONFIDENCE & DEVIATIONS:

Confidence is high on the cooler temperatures today.

Confidence is low on precip timing and placement tonight through
Friday.

Deviated from the NBM for more accurate winds today through
tomorrow.


&&

.AVIATION...

Updated: 2055Z, Thursday afternoon, August 14th.

FLIGHT CATEGORY: VFR.

DISCUSSION: Colder air mass from the north today has allowed for
stable conditions for the NE MT TAF sites. Some scattered rain
showers are possible toward the end of this TAF cycle, but
confidence is low.

WINDS: NW winds today 10 to 15 knots with gust around 20 knots at
times today. North to NE winds 5 to 10 knots are expected
tonight.



&&

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

$$

weather.gov/glasgow
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Forecast Discussion from: NOAA-NWS Script developed by: El Dorado Weather






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