National Weather Service Forecast for: Glasgow MT
Issued by: National Weather Service Glasgow, MT
Updated: 8:33 pm MDT Aug 4, 2025
 
Tonight

Tonight: A 50 percent chance of showers and thunderstorms, mainly after 10pm. Some of the storms could be severe. Mostly cloudy, with a low around 62. East southeast wind 10 to 14 mph becoming northeast after midnight. Winds could gust as high as 24 mph.
Severe
T-Storms

 Tuesday

Tuesday: Showers and thunderstorms likely, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 81. North northeast wind 8 to 11 mph becoming southwest in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Showers
Likely

 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 58. West wind 6 to 11 mph, with gusts as high as 21 mph.
Partly Cloudy

 Wednesday

Wednesday: Sunny, with a high near 89. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Sunny

 Wednesday
Night
Wednesday Night: A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 62. West wind 6 to 9 mph becoming east northeast after midnight.
Partly Cloudy
then Slight
Chance
Showers
 Thursday

Thursday: A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 85. North wind 6 to 10 mph. Chance of precipitation is 30%.
Chance
Showers

 Thursday
Night
Thursday Night: Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 58. West northwest wind 7 to 10 mph. Chance of precipitation is 60%.
Showers
Likely

 Friday

Friday: A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 75. West wind 9 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Chance
Showers

 Friday
Night
Friday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 54. West wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Chance
Showers
Lo 62 °F Hi 81 °F Lo 58 °F Hi 89 °F Lo 62 °F Hi 85 °F Lo 58 °F Hi 75 °F Lo 54 °F

Severe Thunderstorm Watch
 

Tonight
 
 A 50 percent chance of showers and thunderstorms, mainly after 10pm. Some of the storms could be severe. Mostly cloudy, with a low around 62. East southeast wind 10 to 14 mph becoming northeast after midnight. Winds could gust as high as 24 mph.
Tuesday
 
 Showers and thunderstorms likely, mainly before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 81. North northeast wind 8 to 11 mph becoming southwest in the morning. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Tuesday Night
 
 Partly cloudy, with a low around 58. West wind 6 to 11 mph, with gusts as high as 21 mph.
Wednesday
 
 Sunny, with a high near 89. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.
Wednesday Night
 
 A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 62. West wind 6 to 9 mph becoming east northeast after midnight.
Thursday
 
 A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 85. North wind 6 to 10 mph. Chance of precipitation is 30%.
Thursday Night
 
 Showers likely and possibly a thunderstorm before midnight, then a chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 58. West northwest wind 7 to 10 mph. Chance of precipitation is 60%.
Friday
 
 A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 75. West wind 9 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 40%.
Friday Night
 
 A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 54. West wind 11 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Saturday
 
 A slight chance of showers, then a chance of showers and thunderstorms after noon. Mostly sunny, with a high near 78. West northwest wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 30%.
Saturday Night
 
 Partly cloudy, with a low around 56. West southwest wind 6 to 14 mph, with gusts as high as 24 mph.
Sunday
 
 Mostly sunny, with a high near 80.
Sunday Night
 
 Partly cloudy, with a low around 54.
Monday
 
 Mostly sunny, with a high near 79.

 

Forecast from NOAA-NWS for Glasgow MT.