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Derby School Weather Forecast
| REST OF TONIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
 |  |  |  |  |  |  |  |  | |  | |
| Mostly Cloudy | Mostly Cloudy | Partly Cloudy | Mostly Sunny | Mostly Clear | Chance of Showers | Showers | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Rain Showers |
| Lo: 57°FLo: 14°C | Hi: 80°FHi: 27°C | Lo: 54°FLo: 12°C | Hi: 78°FHi: 26°C | Lo: 49°FLo: 9°C | Hi: 67°FHi: 19°C | Lo: 45°FLo: 7°C | Hi: 58°FHi: 14°C | Lo: 41°FLo: 5°C | Hi: 61°FHi: 16°C | Lo: 37°FLo: 3°C | Hi: 57°FHi: 14°C |
| POP: 10% | POP: 60% | POP: 60% | POP: 20% | POP: 30% | POP: 10% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1249 AM MDT Sun Oct 11 2026 
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Issued: 1208 AM MDT Sun Oct 11 2026
Key Messages
- Another unseasonably warm and mostly dry day expected Sunday.
- Isolated to scatteredshowers (15-35% coverage) and a couple weak storms over themountains possible again Sunday afternoon. Any precipitation would be light.
- Pattern change next week, with cooler temperatures finallyarriving by Tuesday. Main precipitation chances hold off until at least late Tuesday, but uncertainty remains.
Discussion
/Through Saturday/... Issued at 1134 PM MDT Sat Oct 10 2026
While a fairly active synoptic p...