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Upper Grapevine School Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SUNDAY | MONDAY |
 |  | |  |  |  | |  | | | |
| Sunny | Patchy Fog | Patchy Fog | Partly Cloudy | Chance of T-Storm | Thunderstorms | Mostly Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Sunny |
| Hi: 80°FHi: 27°C | Lo: 59°FLo: 15°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Hi: 89°FHi: 32°C Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C Lo: 65°FLo: 18°C | Hi: 90°FHi: 32°C |
| POP: 20% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 233 AM EDT Tue Aug 25 2026 
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Issued: 342 AM EDT Tue Aug 25 2026
Key Messages
1.) Reduced visibility in dense river valley fog early this morning and early Wednesday morning, burning off after sunrise with dry weather today and Wednesday.
2.) Scattered strong to severe thunderstorms possible Thursday afternoon and evening ahead of an approaching cold front.
3.) Reinforcing dry front on Friday leads to surface high pressure, dry conditions, and seasonable to warm weather for the weekend into early next week.
Discussion
... KEY MESSAGE 1...
Surface high pressure buil...