Straw, MT Weather Forecast
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| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
| Rain Showers | Partly Cloudy | Sunny | Mostly Clear | Windy | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of Showers | Showers Likely | Showers Likely | Chance of Showers |
| Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 75°FHi: 24°C | Lo: 52°FLo: 11°C | Hi: 81°FHi: 27°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 39°FLo: 4°C | Hi: 59°FHi: 15°C | Hi: 51°FHi: 11°C Lo: 35°FLo: 2°C | Hi: 51°FHi: 11°C Lo: 35°FLo: 2°C | Lo: 35°FLo: 2°C |
| POP: 50% | POP: 50% | POP: 50% | POP: 20% | POP: 40% | POP: 60% | POP: 60% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 516 AM MDT Tue Sep 08 2026 

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Issued: 543 AM MDT Tue Sep 8 2026
Key Messages
- Scattered showers will continue through the afternoon along the Rocky Mountain Front and across the Hi-Line.
- Warmer and drier on Wednesday and Thursday.
- Cooler and wetter conditions return on Friday and last through the weekend.
Discussion
... /Issued 1210 AM MDT Tue Sep 8 2026/- Meteorological Overview:
A shortwave trough will make its way across the region through the day continuing the chances for showers along the Rocky Mountain Front and across the Hi-Line. There is a chance for som...
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