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Arrowhead Lake, TN Weather Forecast
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Arrowhead Lake Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  | | | | |  | | | | |  |
| Mostly Clear | Chance of T-Storm | Mostly Clear | Chance of T-Storm | Mostly Clear | Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Clearing | Sunny |
| Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 70°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 90°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C |
| POP: 20% | POP: 20% | POP: 20% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 548 PM CDT Thu Sep 03 2026 
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Issued: 620 PM CDT Thu Sep 3 2026
Key Messages
Updated at 616 PM CDT Thu Sep 3 2026- Major to extreme heat risk through this week with heat index values in the triple digits. A Heat Advisory remains in effect for all counties through Friday.
- Low chance for afternoon rain and thunderstorms through next week.
Aviation
... (00Z TAFS) Issued at 616 PM CDT Thu Sep 3 2026
TAFs are VFR with the exception of possible radiation fog at KSRB during the overnight period. We`ve actually seen a few showers pop up on radar this afternoon, and we ex...