Weather World
City of Clarksville, ArkansasClarksville, AR Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Clarksville Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY |
 |  | | | |  |  |  |  | | | |
| Sunny | Clear | Sunny | Mostly Clear | Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy | Partly Cloudy |
| 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: 89°FHi: 32°C Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C Lo: 61°FLo: 16°C |
| POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 650 AM CDT Fri Sep 18 2026 
Clarksville Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Clarksville Weather Map
Clarksville Quick Facts
Clarksville Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 229 AM CDT Fri Sep 18 2026
Key Messages
Issued at 228 AM CDT Fri Sep 18 2026- A Heat Advisory remains in effect for the Arkansas River Valley and the Mississippi River Delta through Saturday
- Dry air begins to move into the region, below 30th percentile Min RHs possible through the weekend.
- Little to no rainfall and above average temperatures to continue through the weekend
Discussion
... Issued at 228 AM CDT Fri Sep 18 2026
The 600Dm H500 ridge that has been dominating the region for several weeks now is firmly planted over th...