National Weather Service Forecast for: Dillon MT
Issued by: National Weather Service Great Falls, MT
Updated: 12:02 am MDT Apr 6, 2026
 
Overnight

Overnight: Mostly cloudy, with a low around 34. East wind around 5 mph becoming calm.
Mostly Cloudy

 Monday

Monday: Mostly sunny, with a high near 67. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.
Mostly Sunny

 Monday
Night
Monday Night: Partly cloudy, with a low around 36. West northwest wind 6 to 10 mph becoming south southwest in the evening. Winds could gust as high as 18 mph.
Partly Cloudy

 Tuesday

Tuesday: Mostly sunny, with a high near 66. Windy, with a south southwest wind 10 to 20 mph increasing to 30 to 40 mph in the afternoon. Winds could gust as high as 60 mph.
Mostly Sunny
then Sunny
and Windy
 Tuesday
Night
Tuesday Night: Partly cloudy, with a low around 27. Windy, with a west wind 22 to 32 mph decreasing to 10 to 20 mph after midnight. Winds could gust as high as 47 mph.
Partly Cloudy
and Windy
then Mostly
Clear
 Wednesday

Wednesday: Sunny, with a high near 58. West southwest wind 7 to 13 mph, with gusts as high as 23 mph.
Sunny

 Wednesday
Night
Wednesday Night: Mostly clear, with a low around 29. Southwest wind 5 to 13 mph, with gusts as high as 22 mph.
Mostly Clear

 Thursday

Thursday: Sunny, with a high near 63. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Sunny

 Thursday
Night
Thursday Night: Mostly clear, with a low around 31.
Mostly Clear
Lo 34 °F Hi 67 °F Lo 36 °F Hi 66 °F Lo 27 °F Hi 58 °F Lo 29 °F Hi 63 °F Lo 31 °F

High Wind Warning
 

Overnight
 
 Mostly cloudy, with a low around 34. East wind around 5 mph becoming calm.
Monday
 
 Mostly sunny, with a high near 67. Light and variable wind becoming west northwest 5 to 10 mph in the afternoon.
Monday Night
 
 Partly cloudy, with a low around 36. West northwest wind 6 to 10 mph becoming south southwest in the evening. Winds could gust as high as 18 mph.
Tuesday
 
 Mostly sunny, with a high near 66. Windy, with a south southwest wind 10 to 20 mph increasing to 30 to 40 mph in the afternoon. Winds could gust as high as 60 mph.
Tuesday Night
 
 Partly cloudy, with a low around 27. Windy, with a west wind 22 to 32 mph decreasing to 10 to 20 mph after midnight. Winds could gust as high as 47 mph.
Wednesday
 
 Sunny, with a high near 58. West southwest wind 7 to 13 mph, with gusts as high as 23 mph.
Wednesday Night
 
 Mostly clear, with a low around 29. Southwest wind 5 to 13 mph, with gusts as high as 22 mph.
Thursday
 
 Sunny, with a high near 63. Calm wind becoming west 5 to 9 mph in the afternoon. Winds could gust as high as 18 mph.
Thursday Night
 
 Mostly clear, with a low around 31.
Friday
 
 Mostly sunny, with a high near 67.
Friday Night
 
 Partly cloudy, with a low around 39.
Saturday
 
 A chance of rain. Partly sunny, with a high near 68.
Saturday Night
 
 A chance of rain. Mostly cloudy, with a low around 38.
Sunday
 
 A chance of rain. Partly sunny, with a high near 63.

 

Forecast from NOAA-NWS for Dillon MT.