Poia Lake, MT Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Poia Lake Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
| Rain Showers | Smoke | Smoke | Sunny | Mostly Clear | Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Rain Showers | Mostly Clear | Mostly Clear |
| Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C | Lo: 50°FLo: 10°C | Hi: 74°FHi: 23°C | Lo: 55°FLo: 13°C | Hi: 73°FHi: 23°C Lo: 51°FLo: 11°C | Hi: 73°FHi: 23°C Lo: 51°FLo: 11°C | Hi: 64°FHi: 18°C | Hi: 70°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 70°FHi: 21°C Lo: 49°FLo: 9°C |
| POP: 20% | POP: 20% | POP: 40% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 336 PM MDT Tue Aug 18 2026 

Poia Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Poia Lake Weather Map
Poia Lake Quick Facts
Poia Lake Forecast Discussion
Issued: 546 PM MDT Tue Aug 18 2026
Key Messages
- Scattered showers and thunderstorms develop this afternoon and evening, with isolated severe winds and hail possible.
- Dry and warm conditions settle in Wednesday and Thursday.
- Breezy winds and showers and thunderstorms move in through the weekend.
Discussion
... /Issued 1247 PM MDT Tue Aug 18 2026/- Meteorological Overview:
For the rest of today, a small shortwave trough moving through the region will continue to develop scattered showers and thunderstorms a...
Weather World