Augusta, MT Weather Forecast
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Augusta Weather Forecast
| REST OF TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY |
| Chance of T-Storm | Chance of T-Storm | Clearing | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Chance of Showers | Mostly Clear | Mostly Clear |
| Hi: 89°FHi: 32°C | Lo: 59°FLo: 15°C | Hi: 85°FHi: 29°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C | Hi: 81°FHi: 27°C Lo: 51°FLo: 11°C | Hi: 81°FHi: 27°C Lo: 51°FLo: 11°C | Hi: 85°FHi: 29°C Lo: 55°FLo: 13°C | Hi: 85°FHi: 29°C Lo: 55°FLo: 13°C | Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C Lo: 51°FLo: 11°C | Hi: 81°FHi: 27°C Lo: 51°FLo: 11°C |
| POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 632 AM MDT Sat Aug 22 2026 

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Issued: 641 AM MDT Sat Aug 22 2026
Key Messages
- Scattered showers and thunderstorms today, some storms will contain strong, gusty winds, heavy downpours capable of localized flooding over burn scars, and dangerous cloud to ground lightning.
- A surface front will bring gusty winds and elevated fire weather conditions on Sunday, there will also be a few lingering showers and storms east of I15, some may be strong to severe.
- There will be a modest cooldown early next week with some widely scattered showers and storms, mostly over sout...
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