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McLean Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
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| Chance of Showers | Chance of Showers | Chance of Showers | Chance of Showers | Mostly Cloudy | Chance of T-Storm | Chance of T-Storm | Showers | Showers | Chance of Showers | Chance of Showers | Partly Cloudy |
| Hi: 55°FHi: 13°C | Lo: 50°FLo: 10°C | Hi: 60°FHi: 16°C | Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C | Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 55°FHi: 13°C | Lo: 41°FLo: 5°C | Hi: 51°FHi: 11°C | Lo: 39°FLo: 4°C |
| POP: 40% | POP: 50% | POP: 30% | POP: 30% | POP: 90% | POP: 100% | POP: 100% | POP: 70% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 727 AM CDT Fri Oct 30 2026 
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Issued: 559 AM CDT Fri Oct 30 2026
Key Messages
- Showers and thunderstorms chances peak Friday morning with on and off chances sticking around into the weekend. Trends are toward drier weather into the evening of Halloween.
- A strong weather system moves into the region early next week, bringing another round of showers and thunderstorms Monday into Tuesday. Periods of heavy rain are possible.
- Cooler temperatures and lingering rain chances remain in the forecast through the end of the week.
Discussion
... Issued at 1112 PM CDT Thu Oct...