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Glasgow, Montana 7 Day Weather Forecast
Wx Forecast - Wx Discussion - Wx Aviation
NWS Forecast for Glasgow MT
National Weather Service Forecast for: Glasgow MT
Issued by: National Weather Service Glasgow, MT
Updated: 1:57 pm MDT Jun 26, 2025
 
This
Afternoon
This Afternoon: A 20 percent chance of showers and thunderstorms after 4pm.  Partly sunny, with a high near 91. South southwest wind 11 to 13 mph becoming west northwest. Winds could gust as high as 18 mph.
Slight Chance
T-storms
Tonight

Tonight: A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am.  Partly cloudy during the early evening, then becoming cloudy, with a low around 61. West southwest wind 16 to 21 mph becoming light and variable  after midnight. Winds could gust as high as 30 mph.  Chance of precipitation is 30%.
Chance
Showers
Friday

Friday: Partly sunny, with a high near 85. Light west wind increasing to 13 to 18 mph in the morning. Winds could gust as high as 29 mph.
Partly Sunny
Friday
Night
Friday Night: Partly cloudy, with a low around 58. West southwest wind 6 to 14 mph, with gusts as high as 21 mph.
Partly Cloudy
Saturday

Saturday: Sunny, with a high near 84. West wind 10 to 18 mph, with gusts as high as 29 mph.
Sunny
Saturday
Night
Saturday Night: Mostly clear, with a low around 54. West northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 28 mph.
Mostly Clear
Sunday

Sunday: Sunny, with a high near 84. Northwest wind 6 to 11 mph.
Sunny
Sunday
Night
Sunday Night: Mostly clear, with a low around 55. Northwest wind 6 to 11 mph becoming light and variable  after midnight.
Mostly Clear
Monday

Monday: Sunny, with a high near 87. Light and variable wind becoming west southwest 5 to 7 mph in the morning.
Sunny
Hi 91 °F Lo 61 °F Hi 85 °F Lo 58 °F Hi 84 °F Lo 54 °F Hi 84 °F Lo 55 °F Hi 87 °F

 

This Afternoon
 
A 20 percent chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 91. South southwest wind 11 to 13 mph becoming west northwest. Winds could gust as high as 18 mph.
Tonight
 
A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Partly cloudy during the early evening, then becoming cloudy, with a low around 61. West southwest wind 16 to 21 mph becoming light and variable after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 30%.
Friday
 
Partly sunny, with a high near 85. Light west wind increasing to 13 to 18 mph in the morning. Winds could gust as high as 29 mph.
Friday Night
 
Partly cloudy, with a low around 58. West southwest wind 6 to 14 mph, with gusts as high as 21 mph.
Saturday
 
Sunny, with a high near 84. West wind 10 to 18 mph, with gusts as high as 29 mph.
Saturday Night
 
Mostly clear, with a low around 54. West northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 28 mph.
Sunday
 
Sunny, with a high near 84. Northwest wind 6 to 11 mph.
Sunday Night
 
Mostly clear, with a low around 55. Northwest wind 6 to 11 mph becoming light and variable after midnight.
Monday
 
Sunny, with a high near 87. Light and variable wind becoming west southwest 5 to 7 mph in the morning.
Monday Night
 
Mostly clear, with a low around 59. East wind 7 to 9 mph.
Tuesday
 
Sunny, with a high near 93. East southeast wind 7 to 10 mph.
Tuesday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Wednesday
 
A chance of showers and thunderstorms. Partly sunny, with a high near 87.
Wednesday Night
 
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Thursday
 
A slight chance of showers and thunderstorms. Partly sunny, with a high near 85.

 

Forecast from NOAA-NWS for Glasgow MT.

Weather Forecast Discussion
949
FXUS65 KGGW 262013
AFDGGW

Area Forecast Discussion
National Weather Service Glasgow MT
213 PM MDT Thu Jun 26 2025

.DISCUSSION...

KEY MESSAGES:

- Today scattered rain showers and isolated thunderstorms will
  will return again. Some storms may be strong to severe.

- This weekend and into early next week, a ridge of high pressure
  will slowly move into our region from the south, bringing warmer
  and drier conditions.

WEATHER PATTERN OVERVIEW:

Weather conditions today continue to be characterized by an axis
of instability interacting with a weak embedded short wave moving
across the region. Marginally severe thunderstorms are expected
again today, while interacting with a weak front moving across
eastern Montana.

Later this weekend and especially by Monday, an upper level ridge
of high pressure builds into the Great Basin with temperatures
warming again. The position of the surface high will generally
keep our region dry.

By the middle of next week, the pattern turns more active with
another trough of low pressure moving into the Pacific Northwest.

FORECAST CONFIDENCE & DEVIATIONS:

Due to the weak forcing in place, confidence is less than average in
the exact details of storm timing and placement and movement.

Deviated from the strict NBM to include more HiRes model data to
better represent these details in the immediate short term (Day 1
through Day 2).



&&

.AVIATION...

Generally, VFR conditions, but IFR is possible if an isolated
thunderstorm happens to pass directly overhead, during the
afternoon and evening hours. Gusty and erratic winds are also
possible.



&&

.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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