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Eureka Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
 |  | | |  | | | |  |  | | |
| Chance of T-Storm | Mostly Clear | Chance of T-Storm | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C |
| POP: 30% | POP: 20% | POP: 20% | POP: 40% | POP: 40% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 653 AM CDT Wed Sep 16 2026 
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Issued: 632 AM CDT Wed Sep 16 2026
Key Messages
Updated at 1123 PM CDT Tue Sep 15 2026- Unseasonably hot temperatures continue through the work week. Heat Advisories are in effect Wednesday.
- Fire weather concerns will continue during periods of stronger winds, especially across southeast Oklahoma.
- Low afternoon shower/storm chances mainly across NW AR through Thursday. Higher rain potential arrives this weekend, along with cooler temperatures.
Aviation
... (12Z TAFS) Issued at 632 AM CDT Wed Sep 16 2026
Scattered to broken mid level c...