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St. George Weather Forecast
| TODAY | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
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| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Cloudy | Partly Sunny | Partly Cloudy | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy |
| Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C | Lo: 59°FLo: 15°C |
| POP: 50% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 537 AM EDT Tue Sep 22 2026 
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Issued: 245 AM EDT Tue Sep 22 2026
Key Messages
- 1) Rain chances increase on Tuesday.
- 2) A cold front could bring a threat of strong thunderstorms Wednesday afternoon, and will be followed by cooler weather and gusty winds.
- 3) The threat for coastal flooding will increase mid to late week.
Discussion
... KEY MESSAGE 1: Rain chances increase on Tuesday.
Tuesday: Rain chances look to increase today as our stubborn upper level low that has been parked over Florida for the past five days will lift northeast across the western Atlantic. Mo...