Willow Creek Flat Reservoir, MT Weather Forecast
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Willow Creek Flat Reservoir Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
| Partly Sunny | Mostly Cloudy | Chance of T-Storm | Chance of Showers | Chance of T-Storm | Chance of Showers | Chance of Showers | Mostly Clear | Mostly Clear | Chance of T-Storm | Chance of Showers | Chance of Showers |
| Hi: 91°FHi: 33°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C | Lo: 50°FLo: 10°C | Hi: 79°FHi: 26°C | Hi: 85°FHi: 29°C Lo: 51°FLo: 11°C | Hi: 85°FHi: 29°C Lo: 51°FLo: 11°C | Lo: 55°FLo: 13°C | Hi: 85°FHi: 29°C Lo: 55°FLo: 13°C | Hi: 85°FHi: 29°C Lo: 55°FLo: 13°C |
| POP: 30% | POP: 30% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 341 AM MDT Fri Aug 28 2026 

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Issued: 1242 AM MDT Fri Aug 28 2026
Key Messages
- Upper ridging will keep northeast Montana warm today.
- A cold front on Saturday will bring chance for showers and thunderstorms.
- Upper low will bring widespread showers with isolated to scattered thunderstorm with cooler temperatures Saturday night and Sunday.
Discussion
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WEATHER PATTERN OVERVIEW:
Upper ridge over eastern Montana this morning will move to the east today. An upper trough/low will move inland from the Pacific and reach Montana and the Canadian Prairies on Sunday.
Isolated...
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