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Lehi School Weather Forecast
| OVERNIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
 |  |  | |  |  |  | | | | | |
| Chance of Showers | Mostly Sunny | Partly Cloudy | Sunny | Patchy Fog | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 91°FHi: 33°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 90°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 70°FLo: 21°C | Hi: 91°FHi: 33°C |
| POP: 20% | POP: 20% | POP: 20% | POP: 20% | POP: 30% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 126 AM CDT Thu Aug 20 2026 
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Issued: 1159 PM CDT Wed Aug 19 2026
Key Messages
Issued at 1159 PM CDT Wed Aug 19 2026- A Marginal to Slight Risk for severe thunderstorms overnight mainly north of I-40. Damaging winds and large hail are the main threats.
- A Heat Advisory remains in effect from 11 AM through 8 PM CDT Thursday, with heat index values expected to range between 105 to 109 degrees.
- A transition to a zonal/northwest flow regime late this week will bring drier air and cooler temperatures for the weekend, providing relief from...