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Rainbow, CO Weather Forecast
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Rainbow Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | THURSDAY NIGHT |
 |  | |  |  |  | |  |  |  | | |
| Mostly Cloudy | Rain Showers | Mostly Cloudy | Rain/Snow Showers | Snow Showers | Chance of T-Storm | Mostly Cloudy | Mostly Clear | Mostly Clear | Partly Cloudy | Partly Cloudy | Mostly Cloudy |
| Lo: 36°FLo: 2°C | Hi: 54°FHi: 12°C | Lo: 34°FLo: 1°C | Hi: 50°FHi: 10°C | Lo: 37°FLo: 3°C | Hi: 46°FHi: 8°C | Lo: 29°FLo: -2°C | Hi: 52°FHi: 11°C Lo: 30°FLo: -1°C | Hi: 52°FHi: 11°C Lo: 30°FLo: -1°C | Hi: 51°FHi: 11°C Lo: 29°FLo: -2°C | Hi: 51°FHi: 11°C Lo: 29°FLo: -2°C | Hi: 49°FHi: 9°C Lo: 29°FLo: -2°C |
| POP: 20% | POP: 10% | POP: 40% | POP: 90% | POP: 60% |
POP = Probability of Precipitation.
Weather Outlook Updated: 342 PM MDT Fri Oct 30 2026 
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Issued: 540 PM MDT Fri Oct 30 2026
Key Messages
- Scattered showers/storms along the Continental Divide tonight and Saturday morning.
- Incoming system will bring heavy rain and potential flooding to the San Juans Sunday/Sunday night, with runoff into the San Luis Valley on Monday/Tuesday.
- Snow levels drop late Sunday night, with over a foot of heavy, wet snow over the higher elevations of the ern San Juans.
- Showers elsewhere Sunday/Monday with strong winds in excess over 50 mph possible on the plains Monday behind a cold front.