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Merrisach Lake, AR Weather Forecast
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Merrisach Lake Weather Forecast
| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  | | | | | |  |  | | | |
| Mostly Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Mostly Clear | Mostly Clear |
| Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C | Lo: 79°FLo: 26°C | Hi: 99°FHi: 37°C | Hi: 99°FHi: 37°C Lo: 79°FLo: 26°C | Hi: 99°FHi: 37°C Lo: 79°FLo: 26°C | Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C | Hi: 100°FHi: 38°C Lo: 75°FLo: 24°C | Hi: 100°FHi: 38°C Lo: 75°FLo: 24°C |
| POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 350 AM CDT Mon Aug 31 2026 
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Issued: 526 AM CDT Mon Aug 31 2026
Key Messages
Issued at 143 AM CDT Mon Aug 31 2026
-A Heat Advisory will be in effect today across portions of Arkansas where heat index values are expected to reach between 105 and 109 degrees
-The trend of the forecast period will be a continuation of hot and dry conditions
-Heat Product upgrades in the form of Extreme Heat Warnings may be needed across portions of the state as moisture is advected into the state leading to an increase in the heat index into mid-week
Discussion
... Issued at 143 AM C...