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Grindstone Tank, TX Weather Forecast
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Grindstone Tank Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
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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 Showers | Showers Likely | Mostly Cloudy | Chance of Showers | Partly Cloudy | Clearing | Mostly Clear |
| Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 85°FHi: 29°C | Lo: 70°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C |
| POP: 90% | POP: 90% | POP: 70% | POP: 90% | POP: 70% | POP: 50% | POP: 60% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 123 AM CDT Thu Oct 01 2026 
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Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 643 AM CDT Thu Oct 1 2026
Key Messages
Issued at 639 AM CDT Thu Oct 1 2026- Flash flood watch in effect Thursday afternoon through Friday. Heavy rain expected at times across all of South Texas.
- Marginal risk of severe weather Thursday and Thursday night. Strong winds are the primary threat.
Discussion
... Issued at 1250 AM CDT Thu Oct 1 2026
The remnants of hurricane Polo have merged with a deep trough over the western US and a cut-off low is not prominent over Colorado and New Mexico. At the surface, a cold front is develop...