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Thornton Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
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| Partly Cloudy | Mostly Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers |
| Lo: 70°FLo: 21°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 80°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 80°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C |
| POP: 50% | POP: 50% | POP: 90% | POP: 90% | POP: 80% | POP: 60% | POP: 50% | POP: 40% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 659 PM CDT Mon Sep 28 2026 
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Issued: 708 PM CDT Mon Sep 28 2026
Key Messages
- A significant pattern change will bring widespread showers and thunderstorms to North and Central Texas Wednesday through Friday.
- Widespread rainfall totals of 2 to 5 inches are expected, with locally higher amounts possible.
- The threat for flash flooding will increase Wednesday through Thursday, particularly where heavy rain repeatedly moves over the same area.
- Increased clouds and rain will bring cooler temperatures from Thursday and Friday, with a cold front keeping the cooler air...