National Weather Service Forecast for: Glasgow MT
Issued by: National Weather Service Glasgow, MT
Updated: 3:41 pm MDT Jul 28, 2026
 
Tonight

Tonight: Widespread haze. Mostly clear, with a low around 66. East wind 5 to 10 mph.
Haze

 Wednesday

Wednesday: Widespread haze. Sunny and hot, with a high near 97. Light and variable wind becoming northwest 5 to 10 mph in the morning.
Haze

 Wednesday
Night
Wednesday Night: Widespread haze before 4am. Mostly cloudy, with a low around 65. North wind 8 to 10 mph becoming east after midnight.
Haze

 Thursday

Thursday: A 30 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 92. East wind 8 to 11 mph, with gusts as high as 18 mph.
Chance
T-storms
 Thursday
Night
Thursday Night: A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63. East southeast wind around 10 mph.
Chance
Showers then
Partly Cloudy
 Friday

Friday: Sunny and hot, with a high near 97. East wind around 8 mph becoming west in the afternoon.
Hot

 Friday
Night
Friday Night: Mostly clear, with a low around 63. North northwest wind around 7 mph becoming east southeast in the evening.
Mostly Clear

 Saturday

Saturday: Sunny and hot, with a high near 101. South southeast wind 5 to 14 mph, with gusts as high as 23 mph.
Hot

 Saturday
Night
Saturday Night: Mostly clear, with a low around 68. East southeast wind 13 to 15 mph, with gusts as high as 24 mph.
Mostly Clear
Lo 66 °F Hi 97 °F Lo 65 °F Hi 92 °F Lo 63 °F Hi 97 °F Lo 63 °F Hi 101 °F Lo 68 °F

 

Tonight
 
 Widespread haze. Mostly clear, with a low around 66. East wind 5 to 10 mph.
Wednesday
 
 Widespread haze. Sunny and hot, with a high near 97. Light and variable wind becoming northwest 5 to 10 mph in the morning.
Wednesday Night
 
 Widespread haze before 4am. Mostly cloudy, with a low around 65. North wind 8 to 10 mph becoming east after midnight.
Thursday
 
 A 30 percent chance of showers and thunderstorms, mainly after noon. Partly sunny, with a high near 92. East wind 8 to 11 mph, with gusts as high as 18 mph.
Thursday Night
 
 A 40 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63. East southeast wind around 10 mph.
Friday
 
 Sunny and hot, with a high near 97. East wind around 8 mph becoming west in the afternoon.
Friday Night
 
 Mostly clear, with a low around 63. North northwest wind around 7 mph becoming east southeast in the evening.
Saturday
 
 Sunny and hot, with a high near 101. South southeast wind 5 to 14 mph, with gusts as high as 23 mph.
Saturday Night
 
 Mostly clear, with a low around 68. East southeast wind 13 to 15 mph, with gusts as high as 24 mph.
Sunday
 
 Sunny, with a high near 91. West northwest wind 16 to 20 mph, with gusts as high as 30 mph.
Sunday Night
 
 A 30 percent chance of showers. Partly cloudy, with a low around 57. North northwest wind 9 to 15 mph, with gusts as high as 23 mph.
Monday
 
 Mostly sunny, with a high near 77.
Monday Night
 
 Mostly clear, with a low around 50.
Tuesday
 
 Sunny, with a high near 81.

 

Forecast from NOAA-NWS for Glasgow MT.