National Weather Service Forecast for: Glasgow MT
Issued by: National Weather Service Glasgow, MT
Updated: 12:35 am MDT Jun 30, 2026
 
Today

Today: A slight chance of showers, then a chance of showers and thunderstorms after noon.  Widespread haze after 1pm. Mostly sunny, with a high near 75. Breezy, with a west wind 14 to 23 mph, with gusts as high as 36 mph.  Chance of precipitation is 30%.
Chance
Showers and
Breezy
Tonight

Tonight: Widespread haze before 5am. Partly cloudy, with a low around 53. West northwest wind 15 to 20 mph becoming light west  after midnight. Winds could gust as high as 30 mph.
Haze

Wednesday

Wednesday: Mostly sunny, with a high near 82. West wind 3 to 7 mph.
Mostly Sunny

Wednesday
Night
Wednesday Night: A 30 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 56. Northwest wind around 6 mph becoming southeast after midnight.
Chance
Showers then
Partly Cloudy
Thursday

Thursday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 83. East wind 5 to 7 mph becoming south in the afternoon.  Chance of precipitation is 40%.
Chance
Showers

Thursday
Night
Thursday Night: A 30 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 56. South wind 5 to 8 mph becoming north northeast in the evening.
Chance
T-storms then
Partly Cloudy
Friday

Friday: Showers likely and possibly a thunderstorm after noon.  Partly sunny, with a high near 83. East wind 5 to 7 mph becoming south southeast in the afternoon.  Chance of precipitation is 60%.
Mostly Sunny
then Showers
Likely
Friday
Night
Friday Night: A 50 percent chance of showers and thunderstorms, mainly before midnight.  Mostly cloudy, with a low around 56. South wind 5 to 8 mph becoming light and variable  after midnight.
Chance
T-storms then
Slight Chance
T-storms
Independence
Day
Independence Day: Mostly sunny, with a high near 83. West wind 5 to 11 mph, with gusts as high as 20 mph.
Mostly Sunny

Hi 75 °F Lo 53 °F Hi 82 °F Lo 56 °F Hi 83 °F Lo 56 °F Hi 83 °F Lo 56 °F Hi 83 °F

Lake Wind Advisory
 

Today
 
A slight chance of showers, then a chance of showers and thunderstorms after noon. Widespread haze after 1pm. Mostly sunny, with a high near 75. Breezy, with a west wind 14 to 23 mph, with gusts as high as 36 mph. Chance of precipitation is 30%.
Tonight
 
Widespread haze before 5am. Partly cloudy, with a low around 53. West northwest wind 15 to 20 mph becoming light west after midnight. Winds could gust as high as 30 mph.
Wednesday
 
Mostly sunny, with a high near 82. West wind 3 to 7 mph.
Wednesday Night
 
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 56. Northwest wind around 6 mph becoming southeast after midnight.
Thursday
 
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 83. East wind 5 to 7 mph becoming south in the afternoon. Chance of precipitation is 40%.
Thursday Night
 
A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 56. South wind 5 to 8 mph becoming north northeast in the evening.
Friday
 
Showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 83. East wind 5 to 7 mph becoming south southeast in the afternoon. Chance of precipitation is 60%.
Friday Night
 
A 50 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 56. South wind 5 to 8 mph becoming light and variable after midnight.
Independence Day
 
Mostly sunny, with a high near 83. West wind 5 to 11 mph, with gusts as high as 20 mph.
Saturday Night
 
Mostly clear, with a low around 57. West wind 5 to 10 mph becoming light and variable after midnight.
Sunday
 
Sunny, with a high near 89. Light and variable wind becoming west southwest 5 to 9 mph in the morning.
Sunday Night
 
Mostly clear, with a low around 62.
Monday
 
Mostly sunny, with a high near 91.

 

Forecast from NOAA-NWS for Glasgow MT.