Weather WorldHarrison, MT Weather Forecast
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Harrison Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | VETERANS DAY |
 |  |  |  |  |  | | | | | | |
| Clearing | Patchy Fog | Mostly Cloudy | Clearing | Mostly Clear | Mostly Sunny | Mostly Cloudy | Mostly Sunny | Mostly Cloudy | Mostly Sunny | Mostly Clear | Partly Cloudy |
| Lo: 29°FLo: -2°C | Hi: 49°FHi: 9°C | Lo: 31°FLo: -1°C | Hi: 55°FHi: 13°C | Lo: 31°FLo: -1°C | Hi: 59°FHi: 15°C | Lo: 31°FLo: -1°C | Hi: 51°FHi: 11°C | Lo: 31°FLo: -1°C | Hi: 55°FHi: 13°C | Lo: 35°FLo: 2°C | Hi: 55°FHi: 13°C Lo: 35°FLo: 2°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 336 PM MST Thu Nov 05 2026 
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Issued: 451 PM MST Thu Nov 5 2026
Key Messages
- Another round of valley fog or low stratus is expected within the valleys of Southwest and Central Montana tonight through Friday morning.
- Fast moving weather systems will bring windy conditions and spotty mountain precipitation through the weekend into next week.
- High Winds are possible along the Rocky Mountain Front Friday into Saturday morning and again on Sunday.
- Temperatures will generally run above average for the next seven days.