National Weather Service Forecast for: Deer Lodge MT
Issued by: National Weather Service Missoula, MT
Updated: 2:01 am MDT Aug 20, 2026
 
Overnight

Overnight: Mostly clear, with a low around 48. Light south wind.
Mostly Clear

 Thursday

Thursday: Sunny, with a high near 88. Calm wind becoming north 5 to 7 mph in the afternoon.
Sunny

 Thursday
Night
Thursday Night: Partly cloudy, with a low around 52. North wind 5 to 7 mph becoming calm in the evening.
Partly Cloudy

 Friday

Friday: Mostly sunny, with a high near 90. Calm wind becoming north northeast around 5 mph in the afternoon.
Mostly Sunny

 Friday
Night
Friday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 54. Northeast wind around 5 mph becoming calm in the evening.
Mostly Cloudy
then Slight
Chance Rain
 Saturday

Saturday: A chance of rain, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Chance Rain
then Showers
Likely
 Saturday
Night
Saturday Night: A chance of showers and thunderstorms before 9pm, then a chance of rain between 9pm and midnight. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Chance
Showers then
Partly Cloudy
 Sunday

Sunday: A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81.
Mostly Sunny
then Chance
Showers
 Sunday
Night
Sunday Night: Mostly clear, with a low around 44.
Mostly Clear
Lo 48 °F Hi 88 °F Lo 52 °F Hi 90 °F Lo 54 °F Hi 86 °F Lo 50 °F Hi 81 °F Lo 44 °F

 

Overnight
 
 Mostly clear, with a low around 48. Light south wind.
Thursday
 
 Sunny, with a high near 88. Calm wind becoming north 5 to 7 mph in the afternoon.
Thursday Night
 
 Partly cloudy, with a low around 52. North wind 5 to 7 mph becoming calm in the evening.
Friday
 
 Mostly sunny, with a high near 90. Calm wind becoming north northeast around 5 mph in the afternoon.
Friday Night
 
 A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 54. Northeast wind around 5 mph becoming calm in the evening.
Saturday
 
 A chance of rain, then showers likely and possibly a thunderstorm after noon. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Saturday Night
 
 A chance of showers and thunderstorms before 9pm, then a chance of rain between 9pm and midnight. Mostly cloudy, with a low around 50. Chance of precipitation is 30%.
Sunday
 
 A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 81.
Sunday Night
 
 Mostly clear, with a low around 44.
Monday
 
 Sunny, with a high near 81.
Monday Night
 
 Partly cloudy, with a low around 47.
Tuesday
 
 Mostly sunny, with a high near 82.
Tuesday Night
 
 A slight chance of showers and thunderstorms. Mostly cloudy, with a low around 48.
Wednesday
 
 A slight chance of showers and thunderstorms. Mostly sunny, with a high near 81.

 

Forecast from NOAA-NWS for Deer Lodge MT.