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City of Johnson City, TXJohnson City, TX Weather Forecast
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Johnson City Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
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| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Chance of Showers | Partly Cloudy | Partly Cloudy |
| Lo: 71°FLo: 22°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 65°FLo: 18°C | Hi: 80°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Hi: 81°FHi: 27°C Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C Lo: 61°FLo: 16°C |
| POP: 70% | POP: 90% | POP: 80% | POP: 90% | POP: 80% | POP: 70% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 953 PM CDT Wed Sep 30 2026 
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Issued: 659 PM CDT Wed Sep 30 2026
Key Messages
Updated at 633 PM CDT Wed Sep 30 2026- A Flood Watch is in effect from this evening through Friday evening for most of South Central Texas.
- Some storms tonight and Thursday may also be strong to severe.
- Low to medium rain chances linger through the weekend then decrease heading into next week.
Aviation
... (00Z TAFS) Issued at 633 PM CDT Wed Sep 30 2026
Quite the tricky aviation forecast for this package as the main concerns remain the convection from a line of storms approaching from th...