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Olathe High School Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
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| Partly Cloudy | Chance of T-Storm | Chance of T-Storm | 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 T-Storm | Partly Cloudy | Chance of T-Storm |
| Lo: 61°FLo: 16°C | Hi: 98°FHi: 37°C | Lo: 61°FLo: 16°C | Hi: 91°FHi: 33°C | Lo: 55°FLo: 13°C | Hi: 85°FHi: 29°C | Lo: 55°FLo: 13°C | Hi: 91°FHi: 33°C Lo: 55°FLo: 13°C | Hi: 91°FHi: 33°C Lo: 55°FLo: 13°C | Hi: 91°FHi: 33°C | Lo: 55°FLo: 13°C | Hi: 91°FHi: 33°C |
| POP: 10% | POP: 20% | POP: 70% | POP: 50% | POP: 40% | POP: 20% | POP: 20% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 433 PM MDT Thu Aug 20 2026 
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Olathe High School Forecast Discussion
Issued: 1216 PM MDT Thu Aug 20 2026
Key Messages
- Isolated showers and thunderstorms expected over the high terrain today and Friday. Main concerns will be gusty outflow winds and lightning.
- Triple-digit temperatures expected today and Friday in lower valleys.
- Precipitation potential increases this weekend with more widespread coverage of showers and thunderstorms. Flash flooding will be possible, especially Saturday.
Discussion
... Issued at 1216 PM MDT Thu Aug 20 2026
Some morning convection occurred as ...