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Olds Reservoir Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
 |  |  |  | | | |  | | | | |
| Chance of T-Storm | Partly Cloudy | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Lo: 60°FLo: 16°C | Hi: 86°FHi: 30°C | Lo: 60°FLo: 16°C | Hi: 93°FHi: 34°C | Lo: 60°FLo: 16°C | Hi: 95°FHi: 35°C | Lo: 63°FLo: 17°C | Hi: 93°FHi: 34°C | Lo: 63°FLo: 17°C | Hi: 93°FHi: 34°C | Lo: 60°FLo: 16°C | Hi: 90°FHi: 32°C |
| POP: 50% | POP: 10% | POP: 20% | POP: 40% | POP: 30% | POP: 40% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 605 PM MDT Tue Aug 18 2026 
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Issued: 547 PM MDT Tue Aug 18 2026
Key Messages
- Scattered showers and thunderstorms this afternoon into tonight. A couple strong to severe storms possible across the eastern plains later this evening.
- Isolated storms again for Wednesday, though chances of stronger storms shift to the south.
- Warming and drying trend to end the week, before monsoon moisture attempts to return Sunday into early next week.
Discussion
/Through Tuesday/... Issued at 1229 PM MDT Tue Aug 18 2026
A somewhat uncertain forecast for...