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Arnold Weather Forecast
| THIS AFTERNOON | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
 |  |  | |  |  |  | |  |  |  | |
| Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Chance of Showers | Clear | Mostly Sunny | Clear | Chance of Showers | Chance of Showers | Showers Likely | Showers Likely |
| Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 81°FHi: 27°C | Lo: 60°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C |
| POP: 70% | POP: 100% | POP: 50% | POP: 50% | POP: 30% | POP: 40% | POP: 60% | POP: 60% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1044 AM EDT Sat Sep 12 2026 
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Issued: 711 AM EDT Sat Sep 12 2026
Key Messages
1) Widespread rain and isolated thunderstorms expected on Saturday with flooding and isolated damaging gusts possible
2) Still benchley for severe thunderstorms Sunday afternoon and evening with a cold front, but the level of the threat is uncertain
3) A brief bout of dry weather returns early next week
Discussion
... KEY MESSAGE 1... A renewed push of moisture is forecast today in strengthening south/southwest flow. This is occurring ahead of a shortwave trough that is riding up the Ohi...