National Weather Service Forecast for: Hamilton MT
Issued by: National Weather Service Missoula, MT
Updated: 2:01 pm MDT Jul 28, 2026
 
This
Afternoon
This Afternoon: Areas of smoke. Sunny, with a high near 93. North wind 3 to 7 mph.
Areas Smoke
Tonight

Tonight: Areas of smoke. Mostly clear, with a low around 54. North wind 5 to 9 mph becoming calm  after midnight.
Areas Smoke
Wednesday

Wednesday: Patchy smoke. Sunny, with a high near 93. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Patchy Smoke
Wednesday
Night
Wednesday Night: Patchy smoke. Mostly clear, with a low around 55. North wind 5 to 7 mph becoming light and variable  after midnight.
Patchy Smoke
Thursday

Thursday: Patchy smoke before 7am. Sunny, with a high near 94. Light and variable wind becoming west around 5 mph in the afternoon.
Patchy Smoke
then Sunny
Thursday
Night
Thursday Night: Partly cloudy, with a low around 55.
Partly Cloudy
Friday

Friday: Sunny, with a high near 95.
Sunny
Friday
Night
Friday Night: Clear, with a low around 57.
Clear
Saturday

Saturday: Sunny and hot, with a high near 97.
Hot
Hi 93 °F Lo 54 °F Hi 93 °F Lo 55 °F Hi 94 °F Lo 55 °F Hi 95 °F Lo 57 °F Hi 97 °F

Air Quality Alert
 

This Afternoon
 
Areas of smoke. Sunny, with a high near 93. North wind 3 to 7 mph.
Tonight
 
Areas of smoke. Mostly clear, with a low around 54. North wind 5 to 9 mph becoming calm after midnight.
Wednesday
 
Patchy smoke. Sunny, with a high near 93. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Wednesday Night
 
Patchy smoke. Mostly clear, with a low around 55. North wind 5 to 7 mph becoming light and variable after midnight.
Thursday
 
Patchy smoke before 7am. Sunny, with a high near 94. Light and variable wind becoming west around 5 mph in the afternoon.
Thursday Night
 
Partly cloudy, with a low around 55.
Friday
 
Sunny, with a high near 95.
Friday Night
 
Clear, with a low around 57.
Saturday
 
Sunny and hot, with a high near 97.
Saturday Night
 
Mostly clear, with a low around 49.
Sunday
 
Sunny, with a high near 80.
Sunday Night
 
Clear, with a low around 43.
Monday
 
Sunny, with a high near 81.

 

Forecast from NOAA-NWS for Hamilton MT.