Grass Lake, CO Weather Forecast
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Grass Lake Weather Forecast
| REST OF TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
| Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Rain/Snow Showers | Rain/Snow Showers | Rain/Snow Showers | Rain/Snow Showers |
| Lo: 29°FLo: -2°C | Hi: 47°FHi: 8°C | Lo: 31°FLo: -1°C | Hi: 47°FHi: 8°C | Lo: 29°FLo: -2°C | Hi: 50°FHi: 10°C | Hi: 51°FHi: 11°C Lo: 32°FLo: 0°C | Hi: 51°FHi: 11°C Lo: 32°FLo: 0°C | Hi: 48°FHi: 9°C | Lo: 32°FLo: 0°C | Hi: 44°FHi: 7°C | Lo: 27°FLo: -3°C |
| POP: 30% | POP: 20% | POP: 60% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1248 AM MDT Tue Oct 27 2026 

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Issued: 604 AM MDT Tue Oct 27 2026
Key Messages
- Areas of fog, some dense, across the plains and I-25 Corridor tonight into Tuesday morning.
- Warmer and mostly dry much of this week.
- Unsettled weather potentially returning late in the weekend and early next week, with a 20-30% chance of season`s first snow in lower elevations toward Tuesday.
Discussion
/Through Monday/... Issued at 1149 PM MDT Mon Oct 26 2026
It`s relatively quiet across the forecast area this evening. We`re just starting to see the first bit of fog/mist develop across...
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