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Porter Middle School Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
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| Smoke | Smoke | Mostly Clear | Chance of Rain | Chance of Rain | Chance of T-Storm | Chance of Rain | Chance of Rain | Chance of Rain | Chance of Rain | Chance of Rain | Clearing |
| Lo: 40°FLo: 4°C | Hi: 81°FHi: 27°C | Lo: 47°FLo: 8°C | Hi: 87°FHi: 31°C | Lo: 46°FLo: 8°C | Hi: 77°FHi: 25°C | Lo: 43°FLo: 6°C | Hi: 71°FHi: 22°C | Lo: 40°FLo: 4°C | Hi: 77°FHi: 25°C | Lo: 43°FLo: 6°C | Hi: 80°FHi: 27°C |
| POP: 30% | POP: 50% | POP: 80% | POP: 40% | POP: 20% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1223 PM MDT Sun Aug 30 2026 
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Issued: 154 PM MDT Sun Aug 30 2026
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KEY MESSAGES:- Unseasonably cold temperatures will bring frost to high- elevation valleys Monday morning, marking some of the coldest temperatures seen so far this year.
- A brief warm-up with dry conditions and low relative humidities in the teens to low 20s is expected early next week.
- A shortwave disturbance on Wednesday will increase thunderstorm activity and winds, posing a near-critical fire weather risk in southwest Montana before precipitation arrives.
- An active, cooler weather...