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| REST OF TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY |
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| Chance of Showers | Chance of T-Storm | Mostly Cloudy | Rain Showers | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of T-Storm | Showers Likely |
| Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 42°FLo: 6°C | Hi: 60°FHi: 16°C | Lo: 43°FLo: 6°C | Hi: 62°FHi: 17°C Lo: 42°FLo: 6°C | Hi: 62°FHi: 17°C Lo: 42°FLo: 6°C | Hi: 61°FHi: 16°C | Hi: 64°FHi: 18°C Lo: 43°FLo: 6°C | Hi: 64°FHi: 18°C Lo: 43°FLo: 6°C | Lo: 47°FLo: 8°C | Hi: 61°FHi: 16°C |
| POP: 20% | POP: 100% | POP: 20% | POP: 40% | POP: 50% | POP: 50% | POP: 30% | POP: 40% | POP: 40% | POP: 70% | POP: 60% |
POP = Probability of Precipitation.
Weather Outlook Updated: 952 PM MDT Tue Sep 01 2026 
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Issued: 713 PM MDT Tue Sep 1 2026
Key Messages
- Thunderstorms with severe wind gusts in excess of 60 mph possible on Wednesday, especially across the plains.
- Winds will be gusty across Southwestern Montana Wednesday and Thursday, bringing elevated to critical fire weather conditions.
- Temperatures near to slightly below average expected this week.
Discussion
... /Issued 250 PM MDT Tue Sep 1 2026/
Southwesterly flow on the west side of a quick moving upper level ridge has begun to bring increasing moisture and warmth to Southwestern an...