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Preston Weather Forecast
| REST OF TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  | |  |  | |  | | |  | | |
| Clear | Sunny | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of T-Storm |
| Lo: 71°FLo: 22°C | Hi: 99°FHi: 37°C | Lo: 79°FLo: 26°C | Hi: 99°FHi: 37°C | Lo: 69°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 89°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 90°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C |
| POP: 50% | POP: 100% | POP: 70% | POP: 20% | POP: 40% | POP: 50% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1237 AM CDT Tue Sep 08 2026 
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Issued: 1207 AM CDT Tue Sep 8 2026
Key Messages
- An Extreme Heat Warning is in effect through Tuesday evening for counties west of Highway 65. Maximum afternoon heat index values around 105+.
- Hot and dry conditions are worsening drought and increasing fire danger. Above average temperatures are likely most of this week with highs in the 90s to around 100 Tuesday and Wednesday. Additional heat headlines may be warranted.
- There is a 60-90% chance of showers and thunderstorms Wednesday evening into Thursday and includes a marginal ris...