National Weather Service Forecast for: Glendive MT
Issued by: National Weather Service Glasgow, MT
Updated: 12:35 am MDT Aug 20, 2026
 
Overnight

Overnight: Partly cloudy, with a low around 58. Calm wind.
Partly Cloudy

 Thursday

Thursday: Sunny, with a high near 88. Calm wind becoming north around 6 mph in the afternoon.
Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 59. East northeast wind 3 to 7 mph.
Mostly Clear

 Friday

Friday: Sunny, with a high near 87. Northeast wind 5 to 10 mph, with gusts as high as 18 mph.
Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 57. North northeast wind 5 to 10 mph becoming light east after midnight.
Mostly Clear

 Saturday

Saturday: Mostly sunny, with a high near 89. Light east wind becoming east southeast 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Mostly Sunny

 Saturday
Night
Saturday Night: A 30 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 64. East southeast wind 11 to 14 mph, with gusts as high as 25 mph.
Mostly Cloudy
then Chance
Showers
 Sunday

Sunday: A 30 percent chance of showers and thunderstorms, mainly before noon. Partly sunny, with a high near 93. Southeast wind around 9 mph, with gusts as high as 18 mph.
Chance
Showers then
Slight Chance
T-storms
 Sunday
Night
Sunday Night: A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63. South southeast wind 5 to 8 mph becoming west after midnight.
Slight Chance
T-storms then
Partly Cloudy
Lo 58 °F Hi 88 °F Lo 59 °F Hi 87 °F Lo 57 °F Hi 89 °F Lo 64 °F Hi 93 °F Lo 63 °F

 

Overnight
 
 Partly cloudy, with a low around 58. Calm wind.
Thursday
 
 Sunny, with a high near 88. Calm wind becoming north around 6 mph in the afternoon.
Thursday Night
 
 Mostly clear, with a low around 59. East northeast wind 3 to 7 mph.
Friday
 
 Sunny, with a high near 87. Northeast wind 5 to 10 mph, with gusts as high as 18 mph.
Friday Night
 
 Mostly clear, with a low around 57. North northeast wind 5 to 10 mph becoming light east after midnight.
Saturday
 
 Mostly sunny, with a high near 89. Light east wind becoming east southeast 8 to 13 mph in the morning. Winds could gust as high as 21 mph.
Saturday Night
 
 A 30 percent chance of showers and thunderstorms after midnight. Mostly cloudy, with a low around 64. East southeast wind 11 to 14 mph, with gusts as high as 25 mph.
Sunday
 
 A 30 percent chance of showers and thunderstorms, mainly before noon. Partly sunny, with a high near 93. Southeast wind around 9 mph, with gusts as high as 18 mph.
Sunday Night
 
 A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 63. South southeast wind 5 to 8 mph becoming west after midnight.
Monday
 
 Sunny, with a high near 88. West northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Monday Night
 
 Mostly clear, with a low around 57. Northwest wind 8 to 13 mph becoming light after midnight. Winds could gust as high as 23 mph.
Tuesday
 
 Mostly sunny, with a high near 85.
Tuesday Night
 
 Partly cloudy, with a low around 56.
Wednesday
 
 Mostly sunny, with a high near 86.

 

Forecast from NOAA-NWS for Glendive MT.