National Weather Service Forecast for: Glasgow MT
Issued by: National Weather Service Glasgow, MT
Updated: 3:21 pm MDT Jun 18, 2026
 
Tonight

Tonight: Mostly clear, with a low around 45. West northwest wind around 10 mph, with gusts as high as 18 mph.
Mostly Clear

Juneteenth

Juneteenth: Sunny, with a high near 72. Northwest wind 6 to 9 mph.
Sunny

Friday
Night
Friday Night: Partly cloudy, with a low around 47. North wind 5 to 11 mph becoming east after midnight. Winds could gust as high as 18 mph.
Partly Cloudy

Saturday

Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 79. Breezy, with an east southeast wind 14 to 22 mph, with gusts as high as 33 mph.
Partly Sunny
then Mostly
Sunny and
Breezy
Saturday
Night
Saturday Night: Showers likely and possibly a thunderstorm after midnight.  Mostly cloudy, with a low around 53. Breezy, with an east southeast wind 15 to 22 mph, with gusts as high as 33 mph.  Chance of precipitation is 70%.
Mostly Cloudy
and Breezy
then Showers
Likely
Sunday

Sunday: Showers likely, with thunderstorms also possible after noon.  Mostly cloudy, with a high near 72. East southeast wind 10 to 14 mph becoming west in the afternoon. Winds could gust as high as 23 mph.  Chance of precipitation is 60%.
Showers
Likely

Sunday
Night
Sunday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 48. West wind 10 to 15 mph, with gusts as high as 22 mph.
Chance
T-storms then
Chance
Showers
Monday

Monday: A 30 percent chance of showers, mainly after noon.  Partly sunny, with a high near 68. West northwest wind 11 to 18 mph, with gusts as high as 29 mph.
Chance
Showers

Monday
Night
Monday Night: Partly cloudy, with a low around 45. Northwest wind 15 to 20 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 29 mph.
Partly Cloudy

Lo 45 °F Hi 72 °F Lo 47 °F Hi 79 °F Lo 53 °F Hi 72 °F Lo 48 °F Hi 68 °F Lo 45 °F

 

Tonight
 
Mostly clear, with a low around 45. West northwest wind around 10 mph, with gusts as high as 18 mph.
Juneteenth
 
Sunny, with a high near 72. Northwest wind 6 to 9 mph.
Friday Night
 
Partly cloudy, with a low around 47. North wind 5 to 11 mph becoming east after midnight. Winds could gust as high as 18 mph.
Saturday
 
Mostly cloudy, then gradually becoming sunny, with a high near 79. Breezy, with an east southeast wind 14 to 22 mph, with gusts as high as 33 mph.
Saturday Night
 
Showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 53. Breezy, with an east southeast wind 15 to 22 mph, with gusts as high as 33 mph. Chance of precipitation is 70%.
Sunday
 
Showers likely, with thunderstorms also possible after noon. Mostly cloudy, with a high near 72. East southeast wind 10 to 14 mph becoming west in the afternoon. Winds could gust as high as 23 mph. Chance of precipitation is 60%.
Sunday Night
 
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 48. West wind 10 to 15 mph, with gusts as high as 22 mph.
Monday
 
A 30 percent chance of showers, mainly after noon. Partly sunny, with a high near 68. West northwest wind 11 to 18 mph, with gusts as high as 29 mph.
Monday Night
 
Partly cloudy, with a low around 45. Northwest wind 15 to 20 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 29 mph.
Tuesday
 
Mostly sunny, with a high near 74. Northwest wind 6 to 9 mph.
Tuesday Night
 
Partly cloudy, with a low around 47. North northwest wind 5 to 9 mph becoming east after midnight.
Wednesday
 
Mostly sunny, with a high near 78.
Wednesday Night
 
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 51.
Thursday
 
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83.

 

Forecast from NOAA-NWS for Glasgow MT.