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Lancaster Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 |  |  | | |  | | | | |  |  |
| Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Mostly Sunny | Partly Cloudy | Partly Sunny | Mostly Cloudy |
| Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 70°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 70°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 70°FLo: 21°C |
| POP: 40% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 609 AM CDT Sun Sep 20 2026 
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Issued: 551 AM CDT Sun Sep 20 2026
Key Messages
- Rain chances return today and Monday with the arrival of a weak cold front. A few strong to severe thunderstorms with hail and damaging winds are possible this afternoon and evening mainly in North Texas.
- Slightly cooler temperatures with low rain chances will prevail through the middle portion of the workweek.
Aviation
... (12Z TAFS) Issued at 543 AM CDT Sun Sep 20 2026
The main concern for the TAF sites through the period will be convective chances from late this afternoon into tonigh...