National Weather Service Forecast for: Miles City MT
Issued by: National Weather Service Billings, MT
Updated: 5:53 pm MDT Jun 18, 2026
 
Tonight

Tonight: A 20 percent chance of showers before midnight. Partly cloudy, with a low around 49. West wind around 6 mph.
Slight Chance
Showers then
Mostly Clear
 Juneteenth

Juneteenth: Sunny, with a high near 74. West northwest wind 5 to 9 mph becoming north northeast in the afternoon.
Sunny

 Friday
Night
Friday Night: Partly cloudy, with a low around 52. East wind 5 to 8 mph.
Partly Cloudy

 Saturday

Saturday: Partly sunny, with a high near 82. East southeast wind 10 to 15 mph.
Partly Sunny

 Saturday
Night
Saturday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 55. East southeast wind 8 to 15 mph. Chance of precipitation is 60%.
Chance
T-storms then
Showers
Likely
 Sunday

Sunday: Showers likely and possibly a thunderstorm before 9am, then showers likely between 9am and noon, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 74. East southeast wind 7 to 9 mph becoming north in the afternoon. Chance of precipitation is 70%.
Showers
Likely

 Sunday
Night
Sunday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 50. East wind 6 to 13 mph.
Chance
T-storms then
Chance
Showers
 Monday

Monday: Showers likely, with thunderstorms also possible after noon. Partly sunny, with a high near 71. North northwest wind 7 to 10 mph. Chance of precipitation is 60%.
Showers
Likely

 Monday
Night
Monday Night: Mostly clear, with a low around 47. North northwest wind 5 to 13 mph.
Mostly Clear
Lo 49 °F Hi 74 °F Lo 52 °F Hi 82 °F Lo 55 °F Hi 74 °F Lo 50 °F Hi 71 °F Lo 47 °F

 

Tonight
 
 A 20 percent chance of showers before midnight. Partly cloudy, with a low around 49. West wind around 6 mph.
Juneteenth
 
 Sunny, with a high near 74. West northwest wind 5 to 9 mph becoming north northeast in the afternoon.
Friday Night
 
 Partly cloudy, with a low around 52. East wind 5 to 8 mph.
Saturday
 
 Partly sunny, with a high near 82. East southeast wind 10 to 15 mph.
Saturday Night
 
 A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 55. East southeast wind 8 to 15 mph. Chance of precipitation is 60%.
Sunday
 
 Showers likely and possibly a thunderstorm before 9am, then showers likely between 9am and noon, then showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 74. East southeast wind 7 to 9 mph becoming north in the afternoon. Chance of precipitation is 70%.
Sunday Night
 
 A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 50. East wind 6 to 13 mph.
Monday
 
 Showers likely, with thunderstorms also possible after noon. Partly sunny, with a high near 71. North northwest wind 7 to 10 mph. Chance of precipitation is 60%.
Monday Night
 
 Mostly clear, with a low around 47. North northwest wind 5 to 13 mph.
Tuesday
 
 Sunny, with a high near 75. Northwest wind 5 to 7 mph.
Tuesday Night
 
 Mostly clear, with a low around 49. North wind 5 to 9 mph becoming light and variable after midnight.
Wednesday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80. East wind 3 to 8 mph.
Wednesday Night
 
 A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 53. East wind 7 to 9 mph.
Thursday
 
 A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 84. East southeast wind around 6 mph.

 

Forecast from NOAA-NWS for Miles City MT.