Southside, TN Weather Forecast
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| THIS AFTERNOON | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
| Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Sunny | Mostly Clear |
| Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 99°FHi: 37°C | Lo: 75°FLo: 24°C | Hi: 99°FHi: 37°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 70°FLo: 21°C | Hi: 95°FHi: 35°C | Lo: 70°FLo: 21°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1107 AM CDT Mon Sep 14 2026 

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Issued: 1143 AM CDT Mon Sep 14 2026
Key Messages
Updated at 1140 AM CDT Mon Sep 14 2026- Heat Advisory is in effect Tuesday and Wednesday for most of Middle Tennessee west of the Cumberland Plateau. Heat indices up to 109 degrees are expected during the afternoon.
- Rain chances this week are very low and limited to the Plateau mid to late week. Rain chances increase Sunday and Monday.
- A gradual cool-down is forecast Sunday into early next week, but temperatures remain above-normal for the next several days.
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... (12Z TAFS) Issu...
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