National Weather Service Forecast for: Dillon MT
Issued by: National Weather Service Great Falls, MT
Updated: 11:12 pm MST Dec 17, 2025
 
Tonight

Tonight: Mostly cloudy, with a low around 23. South southwest wind 10 to 16 mph, with gusts as high as 30 mph.
Mostly Cloudy


 Thursday

Thursday: A 50 percent chance of snow, mainly after 2pm. Mostly cloudy, with a high near 40. South wind 10 to 17 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.
Cloudy then
Chance Snow

 Thursday
Night
Thursday Night: Rain and snow likely before 2am, then a chance of rain. Mostly cloudy, with a temperature falling to near 33 by 9pm, then rising to around 42 during the remainder of the night. Breezy, with a south southwest wind 18 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Rain/Snow
Likely then
Chance
Rain/Snow and
Breezy
 Friday

Friday: Rain likely before 2pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 50. Breezy, with a southwest wind around 22 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Breezy. Rain
Likely then
Rain/Snow
Likely
 Friday
Night
Friday Night: A chance of rain and snow before 8pm, then a chance of snow between 8pm and 11pm. Mostly cloudy, with a low around 18. West southwest wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Chance
Rain/Snow
then Partly
Cloudy
 Saturday

Saturday: Sunny, with a high near 35. Southwest wind around 13 mph, with gusts as high as 20 mph.
Sunny


 Saturday
Night
Saturday Night: Partly cloudy, with a low around 17. South southwest wind around 11 mph, with gusts as high as 18 mph.
Partly Cloudy


 Sunday

Sunday: Partly sunny, with a high near 40. South wind around 11 mph, with gusts as high as 18 mph.
Partly Sunny


 Sunday
Night
Sunday Night: A chance of rain and snow. Mostly cloudy, with a low around 29.
Chance
Rain/Snow
Lo 23 °F Hi 40 °F Lo 33 °F⇑ Hi 50 °F Lo 18 °F Hi 35 °F Lo 17 °F Hi 40 °F Lo 29 °F

 

Tonight
 
 Mostly cloudy, with a low around 23. South southwest wind 10 to 16 mph, with gusts as high as 30 mph.
Thursday
 
 A 50 percent chance of snow, mainly after 2pm. Mostly cloudy, with a high near 40. South wind 10 to 17 mph, with gusts as high as 26 mph. New snow accumulation of less than a half inch possible.
Thursday Night
 
 Rain and snow likely before 2am, then a chance of rain. Mostly cloudy, with a temperature falling to near 33 by 9pm, then rising to around 42 during the remainder of the night. Breezy, with a south southwest wind 18 to 22 mph, with gusts as high as 34 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Friday
 
 Rain likely before 2pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 50. Breezy, with a southwest wind around 22 mph, with gusts as high as 33 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday Night
 
 A chance of rain and snow before 8pm, then a chance of snow between 8pm and 11pm. Mostly cloudy, with a low around 18. West southwest wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Saturday
 
 Sunny, with a high near 35. Southwest wind around 13 mph, with gusts as high as 20 mph.
Saturday Night
 
 Partly cloudy, with a low around 17. South southwest wind around 11 mph, with gusts as high as 18 mph.
Sunday
 
 Partly sunny, with a high near 40. South wind around 11 mph, with gusts as high as 18 mph.
Sunday Night
 
 A chance of rain and snow. Mostly cloudy, with a low around 29.
Monday
 
 A chance of rain and snow. Partly sunny, with a high near 45.
Monday Night
 
 A slight chance of rain and snow. Mostly cloudy, with a low around 22.
Tuesday
 
 Partly sunny, with a high near 42.
Tuesday Night
 
 Mostly cloudy, with a low around 26.
Wednesday
 
 A chance of rain and snow. Partly sunny, with a high near 45.

 

Forecast from NOAA-NWS for Dillon MT.