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Lock, AR Weather Forecast
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| OVERNIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | MONDAY | MONDAY NIGHT | TUESDAY |
 |  | | | | | | | |  |  |  |
| Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Chance of T-Storm | Chance of Showers | Chance of Showers |
| Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C | Lo: 71°FLo: 22°C | Hi: 99°FHi: 37°C | Hi: 99°FHi: 37°C Lo: 71°FLo: 22°C | Hi: 99°FHi: 37°C Lo: 71°FLo: 22°C | Hi: 99°FHi: 37°C Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Hi: 91°FHi: 33°C Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C Lo: 69°FLo: 21°C |
| POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1050 PM CDT Tue Sep 15 2026 
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Issued: 624 PM CDT Tue Sep 15 2026
Key Messages
Issued at 252 AM CDT Tue Sep 15 2026- A Heat Advisory remains in effect for most of east, central and southern Arkansas
- Isolated showers & t`storms possible in central Arkansas Tuesday
- Drier conditions to build in through the weekend
Discussion
... Issued at 252 AM CDT Tue Sep 15 2026
Generally very similar conditions persist under the stout H500 ridge that has dominated the region through the last several weeks. A Heat Advisory remains in effect for most of Arkansas except for the Ozark...