Star Lake, MT Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Star Lake Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
| Increasing Clouds | Chance of T-Storm | Clouds | Chance of Showers | Rain Showers | Rain/Snow Showers | Mostly Sunny | Mostly Clear | Sunny | Partly Cloudy | Sunny | Partly Cloudy |
| Hi: 65°FHi: 18°C | Lo: 30°FLo: -1°C | Hi: 69°FHi: 21°C | Lo: 35°FLo: 2°C | Hi: 61°FHi: 16°C | Lo: 29°FLo: -2°C | Hi: 55°FHi: 13°C | Lo: 29°FLo: -2°C | Hi: 61°FHi: 16°C | Lo: 30°FLo: -1°C | Hi: 61°FHi: 16°C | Lo: 30°FLo: -1°C |
| POP: 30% | POP: 20% | POP: 50% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 350 AM MDT Fri Sep 11 2026 

Star Lake Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Star Lake Weather Map
Star Lake Quick Facts
Star Lake Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 1205 AM MDT Fri Sep 11 2026
Key Messages
- Cooler weather today into next week.
- Occasional chances of showers (mainly light) today through Sunday night. Scattered thunderstorms possible in southeast Montana Sunday.
- Snow showers in the mountains above 10000 feet Sunday and Sunday night; minimal to no accumulation.
Discussion
...
Next 7 Days...
The forecast for Friday and Saturday remains roughly the same as what we have been seeing for the past 1 to 2 days. A cold front is forecast to move through the CWA this morning which will b...
Weather World