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Arlington Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | FRIDAY NIGHT | SATURDAY |
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| Chance of T-Storm | Chance of T-Storm | Clearing | Mostly Cloudy | Partly Sunny | Mostly Clear | Partly Cloudy | Partly Cloudy | Mostly Cloudy | Mostly Cloudy | Chance of Showers | Partly Sunny |
| Hi: 57°FHi: 14°C | Lo: 45°FLo: 7°C | Hi: 63°FHi: 17°C | Lo: 40°FLo: 4°C | Hi: 69°FHi: 21°C | Lo: 39°FLo: 4°C | Hi: 67°FHi: 19°C Lo: 39°FLo: 4°C | Hi: 67°FHi: 19°C Lo: 39°FLo: 4°C | Hi: 70°FHi: 21°C Lo: 43°FLo: 6°C | Hi: 70°FHi: 21°C Lo: 43°FLo: 6°C | Lo: 45°FLo: 7°C | Hi: 67°FHi: 19°C |
| POP: 50% | POP: 60% | POP: 10% |
POP = Probability of Precipitation.
Weather Outlook Updated: 622 AM MDT Sun Oct 25 2026 
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Issued: 551 AM MDT Sun Oct 25 2026
Key Messages
- Widespread moderate to heavy rain will continue through early Monday. Flooding impacts are expected over and near our western mountains.
- Warm and dry this week, with a pattern change coming next weekend.
Aviation
/12Z TAFS THROUGH 12Z MONDAY/... Issued at 550 AM MDT Sun Oct 25 2026
KCOS: LIFR to IFR conditions are expected at the start of this TAF period, with conditions improving to MVFR by late morning. Currently, thick fog is around the TAF site, significantly lowering visibility and...