Sioux Lake, CO Weather Forecast
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Sioux Lake Weather Forecast
| REST OF TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
| Mostly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Clear | Mostly Clear | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 41°FLo: 5°C | Hi: 71°FHi: 22°C Lo: 45°FLo: 7°C | Hi: 71°FHi: 22°C Lo: 45°FLo: 7°C | Hi: 71°FHi: 22°C | Lo: 45°FLo: 7°C | Hi: 71°FHi: 22°C | Lo: 45°FLo: 7°C | Hi: 71°FHi: 22°C |
| POP: 20% | POP: 30% | POP: 10% | POP: 50% | POP: 20% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 222 AM MDT Mon Aug 31 2026 

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Issued: 534 AM MDT Mon Aug 31 2026
Key Messages
- Scattered to widespread precipitation chances return Monday, with higher coverage of precipitation across southeast UT and southwest CO than previous days.
- Flash Flooding will continue to be possible as organized and training thunderstorms can produce heavy rainfall over a short period of time.
- Areas of concern for flash flooding will be those of increasingly saturated soils, recent burn scars, and steep terrain.
- Seasonable temperatures return for the first half of the week.
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