National Weather Service Forecast for: Dillon MT
Issued by: National Weather Service Great Falls, MT
Updated: 12:41 pm MDT Jul 28, 2026
 
This
Afternoon
This Afternoon: Patchy smoke. Sunny, with a high near 91. West southwest wind 5 to 11 mph, with gusts as high as 22 mph.
Patchy Smoke

 Tonight

Tonight: Patchy smoke. Mostly clear, with a low around 54. West southwest wind 6 to 10 mph becoming northwest in the evening. Winds could gust as high as 21 mph.
Patchy Smoke

 Wednesday

Wednesday: A slight chance of showers between 2pm and 3pm, then a slight chance of showers and thunderstorms after 3pm. Patchy smoke before 5pm. Mostly sunny, with a high near 88. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Patchy Smoke
then Slight
Chance
T-storms
 Wednesday
Night
Wednesday Night: Patchy smoke between 10pm and midnight. Mostly cloudy, with a low around 52. South southeast wind 6 to 8 mph becoming southwest after midnight.
Patchy Smoke
then Partly
Cloudy
 Thursday

Thursday: A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 90. South southwest wind around 6 mph becoming calm.
Sunny then
Slight Chance
T-storms
 Thursday
Night
Thursday Night: Mostly clear, with a low around 54. South southwest wind 6 to 8 mph.
Mostly Clear

 Friday

Friday: Sunny, with a high near 93. Calm wind becoming west southwest around 6 mph in the afternoon.
Sunny

 Friday
Night
Friday Night: Mostly clear, with a low around 55. West wind 5 to 7 mph becoming east in the evening.
Mostly Clear

 Saturday

Saturday: Sunny and hot, with a high near 96.
Hot
Hi 91 °F Lo 54 °F Hi 88 °F Lo 52 °F Hi 90 °F Lo 54 °F Hi 93 °F Lo 55 °F Hi 96 °F

Air Quality Alert
 

This Afternoon
 
 Patchy smoke. Sunny, with a high near 91. West southwest wind 5 to 11 mph, with gusts as high as 22 mph.
Tonight
 
 Patchy smoke. Mostly clear, with a low around 54. West southwest wind 6 to 10 mph becoming northwest in the evening. Winds could gust as high as 21 mph.
Wednesday
 
 A slight chance of showers between 2pm and 3pm, then a slight chance of showers and thunderstorms after 3pm. Patchy smoke before 5pm. Mostly sunny, with a high near 88. Calm wind becoming south 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Wednesday Night
 
 Patchy smoke between 10pm and midnight. Mostly cloudy, with a low around 52. South southeast wind 6 to 8 mph becoming southwest after midnight.
Thursday
 
 A 20 percent chance of showers and thunderstorms after noon. Sunny, with a high near 90. South southwest wind around 6 mph becoming calm.
Thursday Night
 
 Mostly clear, with a low around 54. South southwest wind 6 to 8 mph.
Friday
 
 Sunny, with a high near 93. Calm wind becoming west southwest around 6 mph in the afternoon.
Friday Night
 
 Mostly clear, with a low around 55. West wind 5 to 7 mph becoming east in the evening.
Saturday
 
 Sunny and hot, with a high near 96.
Saturday Night
 
 Mostly clear, with a low around 53. Breezy.
Sunday
 
 Sunny, with a high near 89. Breezy.
Sunday Night
 
 Mostly clear, with a low around 45. Breezy.
Monday
 
 Sunny, with a high near 79.

 

Forecast from NOAA-NWS for Dillon MT.