National Weather Service Forecast for: Belgrade MT
Issued by: National Weather Service Great Falls, MT
Updated: 7:41 pm MDT Jun 18, 2026
 
Tonight

Tonight: Mostly clear, with a low around 42. North wind 5 to 10 mph becoming light and variable  after midnight.
Mostly Clear

Juneteenth

Juneteenth: Partly sunny, with a high near 78. Calm wind becoming east around 5 mph in the afternoon.
Partly Sunny

Friday
Night
Friday Night: Mostly cloudy, with a low around 47. East wind 5 to 13 mph, with gusts as high as 23 mph.
Mostly Cloudy

Saturday

Saturday: Showers likely and possibly a thunderstorm after noon.  Mostly cloudy, with a high near 79. Calm wind becoming south southwest around 6 mph in the afternoon.  Chance of precipitation is 60%.
Mostly Cloudy
then Showers
Likely
Saturday
Night
Saturday Night: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a low around 47. South southeast wind 3 to 6 mph.  Chance of precipitation is 60%.
Showers
Likely then
Slight Chance
Showers
Sunday

Sunday: Mostly sunny, with a high near 78. Calm wind becoming west northwest around 6 mph in the afternoon.
Mostly Sunny

Sunday
Night
Sunday Night: A 20 percent chance of showers and thunderstorms before midnight.  Partly cloudy, with a low around 44. North northeast wind 9 to 14 mph becoming light west northwest  after midnight. Winds could gust as high as 25 mph.
Slight Chance
T-storms then
Partly Cloudy
Monday

Monday: Mostly sunny, with a high near 74. Calm wind becoming northwest around 6 mph in the afternoon.
Mostly Sunny

Monday
Night
Monday Night: Mostly clear, with a low around 42.
Mostly Clear

Lo 42 °F Hi 78 °F Lo 47 °F Hi 79 °F Lo 47 °F Hi 78 °F Lo 44 °F Hi 74 °F Lo 42 °F

 

Tonight
 
Mostly clear, with a low around 42. North wind 5 to 10 mph becoming light and variable after midnight.
Juneteenth
 
Partly sunny, with a high near 78. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
 
Mostly cloudy, with a low around 47. East wind 5 to 13 mph, with gusts as high as 23 mph.
Saturday
 
Showers likely and possibly a thunderstorm after noon. Mostly cloudy, with a high near 79. Calm wind becoming south southwest around 6 mph in the afternoon. Chance of precipitation is 60%.
Saturday Night
 
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 47. South southeast wind 3 to 6 mph. Chance of precipitation is 60%.
Sunday
 
Mostly sunny, with a high near 78. Calm wind becoming west northwest around 6 mph in the afternoon.
Sunday Night
 
A 20 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 44. North northeast wind 9 to 14 mph becoming light west northwest after midnight. Winds could gust as high as 25 mph.
Monday
 
Mostly sunny, with a high near 74. Calm wind becoming northwest around 6 mph in the afternoon.
Monday Night
 
Mostly clear, with a low around 42.
Tuesday
 
Sunny, with a high near 83.
Tuesday Night
 
Partly cloudy, with a low around 47.
Wednesday
 
Sunny, with a high near 86.
Wednesday Night
 
Partly cloudy, with a low around 48.
Thursday
 
Sunny, with a high near 87.

 

Forecast from NOAA-NWS for Belgrade MT.