Tri-County, CO Weather Forecast
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Tri-County Weather Forecast
| REST OF TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Partly Cloudy | Partly Cloudy | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Partly Cloudy |
| Hi: 76°FHi: 24°C | Lo: 50°FLo: 10°C | Hi: 69°FHi: 21°C | Lo: 46°FLo: 8°C | Hi: 73°FHi: 23°C | Lo: 50°FLo: 10°C | Hi: 77°FHi: 25°C Lo: 53°FLo: 12°C | Hi: 77°FHi: 25°C Lo: 53°FLo: 12°C | Hi: 80°FHi: 27°C Lo: 53°FLo: 12°C | Hi: 80°FHi: 27°C Lo: 53°FLo: 12°C | Hi: 80°FHi: 27°C Lo: 55°FLo: 13°C | Hi: 80°FHi: 27°C Lo: 55°FLo: 13°C |
| POP: 60% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1249 PM MDT Sat Sep 19 2026 

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Issued: 1219 PM MDT Sat Sep 19 2026
Key Messages
- Another round of scattered showers/t-storms this afternoon for the mountains and urban corridor.
- Numerous showers/t-storms over the plains, where some will be strong to severe throughthis evening, producing locally heavy rain, strong outflow winds, and hail.
- Trending drier Sunday into Monday, although scattered afternoon/eveningstorms may continue Sunday, particularly along and south of I-70.
- Cooler temperatures expected Sunday into Monday, before warmertemperatures return. Next week...
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