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Gillihan Lake, AR Weather Forecast
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Gillihan Lake Weather Forecast
| THIS AFTERNOON | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
 |  |  |  | |  | | | | | | |
| Sunny | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Mostly Clear | Mostly Clear | Chance of T-Storm | Mostly Clear | Chance of T-Storm | Chance of T-Storm |
| Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 102°FHi: 39°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 95°FHi: 35°C Lo: 69°FLo: 21°C | Hi: 95°FHi: 35°C Lo: 69°FLo: 21°C | Hi: 95°FHi: 35°C | Lo: 70°FLo: 21°C | Hi: 95°FHi: 35°C | Lo: 70°FLo: 21°C |
| POP: 20% | POP: 50% | POP: 50% | POP: 20% | POP: 20% | POP: 20% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1150 AM CDT Tue Aug 18 2026 
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Issued: 1247 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