National Weather Service Forecast for: Dillon MT
Issued by: National Weather Service Great Falls, MT
Updated: 12:11 am MDT Jun 10, 2025
 
Overnight

Overnight: Mostly clear, with a low around 51. Southwest wind around 6 mph.
Mostly Clear

 Tuesday

Tuesday: A 40 percent chance of showers and thunderstorms, mainly after 5pm. Increasing clouds, with a high near 85. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.
Sunny then
Chance
T-storms
 Tuesday
Night
Tuesday Night: A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 49. West northwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Slight Chance
T-storms then
Partly Cloudy
 Wednesday

Wednesday: Showers and possibly a thunderstorm after noon. High near 73. Light and variable wind becoming east southeast 5 to 8 mph in the afternoon. Chance of precipitation is 80%.
Mostly Cloudy
then Showers

 Wednesday
Night
Wednesday Night: Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 45. North wind 5 to 8 mph becoming south southwest in the evening. Chance of precipitation is 70%.
Showers
Likely then
Slight Chance
Showers
 Thursday

Thursday: A 40 percent chance of showers after noon. Mostly sunny, with a high near 75. Southwest wind 5 to 8 mph.
Mostly Sunny
then Chance
Showers
 Thursday
Night
Thursday Night: A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 46. South wind 5 to 8 mph becoming light and variable after midnight.
Chance
Showers then
Partly Cloudy
 Friday

Friday: A slight chance of showers and thunderstorms after noon. Sunny, with a high near 78. Light south wind becoming south southwest 8 to 13 mph in the morning. Winds could gust as high as 22 mph.
Sunny then
Slight Chance
T-storms
 Friday
Night
Friday Night: Partly cloudy, with a low around 46.
Partly Cloudy
Lo 51 °F Hi 85 °F Lo 49 °F Hi 73 °F Lo 45 °F Hi 75 °F Lo 46 °F Hi 78 °F Lo 46 °F

 

Overnight
 
 Mostly clear, with a low around 51. Southwest wind around 6 mph.
Tuesday
 
 A 40 percent chance of showers and thunderstorms, mainly after 5pm. Increasing clouds, with a high near 85. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon. Winds could gust as high as 18 mph.
Tuesday Night
 
 A slight chance of showers and thunderstorms before 9pm, then a slight chance of showers between 9pm and midnight. Mostly cloudy, with a low around 49. West northwest wind 6 to 11 mph becoming light and variable after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 20%.
Wednesday
 
 Showers and possibly a thunderstorm after noon. High near 73. Light and variable wind becoming east southeast 5 to 8 mph in the afternoon. Chance of precipitation is 80%.
Wednesday Night
 
 Showers likely and possibly a thunderstorm before midnight, then a slight chance of showers. Mostly cloudy, with a low around 45. North wind 5 to 8 mph becoming south southwest in the evening. Chance of precipitation is 70%.
Thursday
 
 A 40 percent chance of showers after noon. Mostly sunny, with a high near 75. Southwest wind 5 to 8 mph.
Thursday Night
 
 A 30 percent chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 46. South wind 5 to 8 mph becoming light and variable after midnight.
Friday
 
 A slight chance of showers and thunderstorms after noon. Sunny, with a high near 78. Light south wind becoming south southwest 8 to 13 mph in the morning. Winds could gust as high as 22 mph.
Friday Night
 
 Partly cloudy, with a low around 46.
Saturday
 
 Sunny, with a high near 82.
Saturday Night
 
 Partly cloudy, with a low around 46.
Sunday
 
 Mostly sunny, with a high near 81.
Sunday Night
 
 Partly cloudy, with a low around 43.
Monday
 
 Sunny, with a high near 77.

 

Forecast from NOAA-NWS for Dillon MT.