National Weather Service Forecast for: Glasgow MT
Issued by: National Weather Service Glasgow, MT
Updated: 3:06 am MDT Jun 22, 2026
 
Overnight

Overnight: A 50 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 51. Northeast wind around 5 mph.
Chance
Showers
 Monday

Monday: Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 69. North wind 5 to 7 mph becoming south southwest in the morning. Chance of precipitation is 100%.
Showers then
Showers
Likely
 Monday
Night
Monday Night: A 20 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 49. West northwest wind 7 to 11 mph, with gusts as high as 20 mph.
Slight Chance
T-storms then
Mostly Clear
 Tuesday

Tuesday: Partly sunny, with a high near 71. West northwest wind 14 to 17 mph, with gusts as high as 28 mph.
Partly Sunny

 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 47. North northwest wind 10 to 15 mph becoming light north northeast after midnight. Winds could gust as high as 24 mph.
Partly Cloudy

 Wednesday

Wednesday: Mostly sunny, with a high near 73. Light east wind.
Mostly Sunny

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 49. East wind 6 to 8 mph.
Mostly Clear

 Thursday

Thursday: Mostly sunny, with a high near 77. East southeast wind 8 to 15 mph, with gusts as high as 22 mph.
Mostly Sunny

 Thursday
Night
Thursday Night: A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 54. East wind 13 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Chance
Showers
Lo 51 °F Hi 69 °F Lo 49 °F Hi 71 °F Lo 47 °F Hi 73 °F Lo 49 °F Hi 77 °F Lo 54 °F

 

Overnight
 
 A 50 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 51. Northeast wind around 5 mph.
Monday
 
 Showers and thunderstorms before 3pm, then showers likely and possibly a thunderstorm between 3pm and 4pm, then a chance of showers and thunderstorms after 4pm. High near 69. North wind 5 to 7 mph becoming south southwest in the morning. Chance of precipitation is 100%.
Monday Night
 
 A 20 percent chance of showers and thunderstorms before 7pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 49. West northwest wind 7 to 11 mph, with gusts as high as 20 mph.
Tuesday
 
 Partly sunny, with a high near 71. West northwest wind 14 to 17 mph, with gusts as high as 28 mph.
Tuesday Night
 
 Partly cloudy, with a low around 47. North northwest wind 10 to 15 mph becoming light north northeast after midnight. Winds could gust as high as 24 mph.
Wednesday
 
 Mostly sunny, with a high near 73. Light east wind.
Wednesday Night
 
 Mostly clear, with a low around 49. East wind 6 to 8 mph.
Thursday
 
 Mostly sunny, with a high near 77. East southeast wind 8 to 15 mph, with gusts as high as 22 mph.
Thursday Night
 
 A chance of showers and thunderstorms before midnight, then a slight chance of showers. Mostly cloudy, with a low around 54. East wind 13 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Friday
 
 A 30 percent chance of showers and thunderstorms after noon. Partly sunny, with a high near 82. East southeast wind 13 to 21 mph, with gusts as high as 31 mph.
Friday Night
 
 Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 57. Breezy, with an east southeast wind 14 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 70%.
Saturday
 
 Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 76.
Saturday Night
 
 A chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Sunday
 
 Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 69. Breezy.

 

Forecast from NOAA-NWS for Glasgow MT.