Weather WorldErratic Lake, MT Weather Forecast
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Erratic Lake Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
 |  | | | | |  |  |  |  | |  |
| Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Rain Showers | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Snow Showers |
| Hi: 61°FHi: 16°C | Lo: 29°FLo: -2°C | Hi: 69°FHi: 21°C | Lo: 35°FLo: 2°C | Hi: 71°FHi: 22°C | Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C | Lo: 31°FLo: -1°C | Hi: 61°FHi: 16°C | Lo: 30°FLo: -1°C | Hi: 55°FHi: 13°C | Lo: 25°FLo: -4°C |
| POP: 20% | POP: 40% | POP: 50% | POP: 50% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 350 AM MDT Tue Sep 08 2026 
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Issued: 517 AM MDT Tue Sep 8 2026
Key Messages
- Windy conditions continue today, with gusts of 20 to 45 mph, greatest in eastern MT. This will cause elevated fire weather conditions.
- Warmer and drier conditions return mid-week. Occasionally breezy conditions will cause elevated fire weather conditions.
- A pattern change to cooler with an increased chance of precipitation returns Friday into the weekend. Details remain uncertain. Stay up to date with the latest forecast.
Discussion
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Today through Monday...
Windy conditions will conti...