National Weather Service Forecast for: Dillon MT
Issued by: National Weather Service Great Falls, MT
Updated: 2:21 am MST Dec 5, 2025
 
Overnight

Overnight: Mostly cloudy, with a low around 22. Southwest wind around 9 mph.
Mostly Cloudy

 Friday

Friday: Snow likely, mainly after 5pm. Increasing clouds, with a high near 39. Southwest wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Mostly Sunny
then Snow
Likely
 Friday
Night
Friday Night: Snow likely, possibly mixed with rain before 1am, then a chance of snow. Mostly cloudy, with a low around 27. West southwest wind 13 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Rain/Snow
Likely then
Chance
Rain/Snow
 Saturday

Saturday: A 20 percent chance of snow before 11am. Mostly sunny, with a high near 41. West southwest wind 15 to 20 mph, with gusts as high as 28 mph.
Slight Chance
Snow then
Partly Sunny
 Saturday
Night
Saturday Night: Mostly cloudy, with a low around 21. Southwest wind 10 to 13 mph, with gusts as high as 18 mph.
Mostly Cloudy

 Sunday

Sunday: Mostly cloudy, with a high near 39. South southwest wind around 11 mph.
Mostly Cloudy

 Sunday
Night
Sunday Night: A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 25. Southwest wind 10 to 14 mph, with gusts as high as 20 mph.
Slight Chance
Snow then
Mostly Cloudy
 Monday

Monday: Partly sunny, with a high near 41. Southwest wind 10 to 14 mph.
Partly Sunny

 Monday
Night
Monday Night: Mostly cloudy, with a low around 28.
Mostly Cloudy
Lo 22 °F Hi 39 °F Lo 27 °F Hi 41 °F Lo 21 °F Hi 39 °F Lo 25 °F Hi 41 °F Lo 28 °F

 

Overnight
 
 Mostly cloudy, with a low around 22. Southwest wind around 9 mph.
Friday
 
 Snow likely, mainly after 5pm. Increasing clouds, with a high near 39. Southwest wind 7 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Friday Night
 
 Snow likely, possibly mixed with rain before 1am, then a chance of snow. Mostly cloudy, with a low around 27. West southwest wind 13 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Saturday
 
 A 20 percent chance of snow before 11am. Mostly sunny, with a high near 41. West southwest wind 15 to 20 mph, with gusts as high as 28 mph.
Saturday Night
 
 Mostly cloudy, with a low around 21. Southwest wind 10 to 13 mph, with gusts as high as 18 mph.
Sunday
 
 Mostly cloudy, with a high near 39. South southwest wind around 11 mph.
Sunday Night
 
 A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 25. Southwest wind 10 to 14 mph, with gusts as high as 20 mph.
Monday
 
 Partly sunny, with a high near 41. Southwest wind 10 to 14 mph.
Monday Night
 
 Mostly cloudy, with a low around 28.
Tuesday
 
 A chance of rain and snow before 11am, then a chance of rain. Mostly cloudy, with a high near 47.
Tuesday Night
 
 A chance of rain and snow. Mostly cloudy, with a low around 30.
Wednesday
 
 A chance of rain and snow. Mostly cloudy, with a high near 46.
Wednesday Night
 
 A chance of rain and snow. Mostly cloudy, with a low around 29.
Thursday
 
 A slight chance of rain and snow. Partly sunny, with a high near 47.

 

Forecast from NOAA-NWS for Dillon MT.