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Callaway Reservoir Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
 |  |  |  | | | | | | |  | |
| Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Chance of T-Storm | Mostly Sunny | Mostly Clear | Sunny |
| Lo: 55°FLo: 13°C | Hi: 85°FHi: 29°C | Lo: 59°FLo: 15°C | Hi: 85°FHi: 29°C | Lo: 60°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 85°FHi: 29°C | Lo: 59°FLo: 15°C | Hi: 89°FHi: 32°C | Lo: 59°FLo: 15°C | Hi: 90°FHi: 32°C |
| POP: 20% | POP: 20% | POP: 60% | POP: 40% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 413 PM MDT Sat Aug 15 2026 
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Issued: 128 PM MDT Sat Aug 15 2026
Key Messages
- Scattered showers and thunderstorms on tap for this evening, mainly over south central MT. Late day scattered showers and isolated thunderstorms continue through Monday.
- A cold front Tuesday lowers temperatures a bit to upper 70s/lower 80s, and brings an increased chance of showers/thunderstorms.
- Warmer and mainly dry conditions look to return for latter part of next week.
Discussion
...
Tonight through Friday...
Weak west/southwest flow will bring some dist...