Weather WorldLena Lake, MT Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Lena Lake Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
 |  | | |  |  | |  | |  |  | |
| Chance of T-Storm | Smoke | Smoke | Smoke | Sunny | Mostly Clear | Mostly Sunny | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Rain Showers | Mostly Clear |
| Hi: 68°FHi: 20°C | 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: 71°FHi: 22°C | Lo: 50°FLo: 10°C | Hi: 64°FHi: 18°C | Hi: 68°FHi: 20°C Lo: 49°FLo: 9°C |
| POP: 20% | POP: 20% | POP: 40% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 337 AM MDT Tue Aug 18 2026 
Lena Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Lena Lake Weather Map
Lena Lake Quick Facts
Lena Lake Forecast Discussion
Issued: 435 AM MDT Tue Aug 18 2026
Key Messages
- Showers and thunderstorms will affect the area this afternoon/evening.
- Temperatures will be around seasonal averages throughout this week.
- It will be dry Wednesday through Friday with thunderstorms returning this weekend with breezy conditions.
Discussion
... /Issued 136 AM MDT Tue Aug 18 2026/- Meteorological Overview:
Today there will be zonal flow (west - east) over North-central, Central, and Southwestern Montana. This will allow temperatures to remain n...