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Clark County Fairgrounds, AR Weather Forecast
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Clark County Fairgrounds Weather Forecast
| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | SATURDAY | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
 |  | |  |  | | | |  |  |  | |
| Mostly Clear | Sunny | Mostly Clear | Chance of T-Storm | Chance of Showers | Mostly Clear | Mostly Clear | Mostly Clear | Chance of T-Storm | Chance of Showers | Partly Cloudy | Chance of T-Storm |
| Lo: 75°FLo: 24°C | Hi: 102°FHi: 39°C | Lo: 79°FLo: 26°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: 99°FHi: 37°C Lo: 71°FLo: 22°C | Lo: 71°FLo: 22°C | Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C |
| POP: 20% | POP: 20% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 450 PM CDT Tue Aug 18 2026 
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Issued: 639 PM CDT Tue Aug 18 2026
Key Messages
Issued at 1235 PM CDT Tue Aug 18 2026
-Isolated showers and thunderstorms possible this afternoon favoring southern Arkansas
-Extreme Heat Warnings and Heat Advisories remain in effect through Wednesday, as heat index values reach the 105-110 degree range during the afternoon hours
-Slight Risk for severe weather across northeastern Arkansas Wednesday as a frontal boundary moves into the state, with rain chances extending southward through Thursday