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Cave Lake Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
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| Sunny | Increasing Clouds | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Rain Showers | Rain/Snow Showers | Snow Showers | Mostly Sunny | Mostly Clear | Sunny | Partly Cloudy |
| Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 51°FHi: 11°C | Lo: 39°FLo: 4°C | Hi: 49°FHi: 9°C | Lo: 35°FLo: 2°C | Hi: 45°FHi: 7°C | Lo: 31°FLo: -1°C | Hi: 41°FHi: 5°C | Lo: 31°FLo: -1°C | Hi: 49°FHi: 9°C | Lo: 39°FLo: 4°C |
| POP: 60% | POP: 30% | POP: 20% | POP: 60% | POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 507 AM MDT Thu Sep 10 2026 
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Issued: 501 AM MDT Thu Sep 10 2026
Key Messages
- Elevated to critical fire weather conditions today. Winds will be strongest over the foothills west of Billings.
- A pattern change brings cooler temperatures and multiple chances for precipitation Friday through the weekend, including mountain snow.
- Chance (40-60%) for foothills locations to see their first frost Monday morning.
Discussion
... Next 7 Days...
Another day of summer like weather is in store for our region before we get our first taste of fall. Today, ahead of the cold front...