Keogh Reservoir, MT Weather Forecast
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Keogh Reservoir Weather Forecast
| TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY |
| Partly Cloudy | Sunny | Partly Cloudy | Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Partly Cloudy | Partly Cloudy | Sunny | Partly Cloudy | Partly Cloudy |
| Lo: 42°FLo: 6°C | Hi: 72°FHi: 22°C | Lo: 48°FLo: 9°C | Hi: 75°FHi: 24°C | Lo: 50°FLo: 10°C | Hi: 72°FHi: 22°C | Lo: 46°FLo: 8°C | Hi: 69°FHi: 21°C Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C Lo: 45°FLo: 7°C | Hi: 73°FHi: 23°C | Hi: 73°FHi: 23°C Lo: 47°FLo: 8°C | Hi: 73°FHi: 23°C Lo: 47°FLo: 8°C |
| POP: 50% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 336 PM MDT Sun Aug 30 2026 

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Issued: 535 PM MDT Sun Aug 30 2026
Key Messages
- Cool and breezy today with highs in the 60s for most lower elevation locales.
- Drier Monday, but showers and thunderstorms return by Tuesday.
- Breezy conditions return across Southwestern Montana Wednesday and Thursday.
Discussion
... /Issued 231 PM MDT Sun Aug 30 2026/- Meteorological Overview:
Behind a cold front that pushed through the area overnight, it has been notably cooler across North Central and Southwestern Montana today with most areas on the plains and in the valleys strugglin...
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