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Arrow Lake, MT Weather Forecast
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Arrow Lake Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
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| Chance of T-Storm | Chance of Snow | Partly Cloudy | Mostly Sunny | Mostly Clear | Mostly Sunny | Ice/Snow Mixture | Snow and Rain | Snow and Rain | Snow and Rain | Chance of Snow | Chance of Snow |
| Lo: 26°FLo: -3°C | Hi: 34°FHi: 1°C | Lo: 21°FLo: -6°C | Hi: 35°FHi: 2°C | Lo: 21°FLo: -6°C | Hi: 40°FHi: 4°C | Lo: 29°FLo: -2°C | Hi: 40°FHi: 4°C Lo: 29°FLo: -2°C | Hi: 40°FHi: 4°C Lo: 29°FLo: -2°C | Lo: 29°FLo: -2°C | Hi: 38°FHi: 3°C | Lo: 25°FLo: -4°C |
| POP: 100% | POP: 20% | POP: 20% | POP: 50% | POP: 50% | POP: 70% | POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 336 PM MDT Mon Oct 26 2026 
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Issued: 551 PM MDT Mon Oct 26 2026
Key Messages
- Fog will continue to clear out during the afternoon.
- A storm system will bring light mountain snow and light rain/snow at lower elevations late tonight into Tuesday morning.
- Cooler and an slightly unsettled weather pattern continues through the rest of the week.
Discussion
... /Issued 220 PM MDT Mon Oct 26 2026/- Meteorological Overview:
Current satellite trends show fog and lower clouds are lifting out of Southwest MT as warmer air mixes down to the surface. Across North-Central MT, pat...