St. Agnes High School, MO Weather Forecast
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St. Agnes High School Weather Forecast
| THIS AFTERNOON | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY |
| Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Clear | Clear | Mostly Clear | Mostly Clear | Mostly Clear |
| Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 91°FHi: 33°C | Lo: 70°FLo: 21°C | Hi: 99°FHi: 37°C | Lo: 71°FLo: 22°C | Hi: 99°FHi: 37°C Lo: 71°FLo: 22°C | Hi: 99°FHi: 37°C Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C Lo: 75°FLo: 24°C | Hi: 95°FHi: 35°C Lo: 75°FLo: 24°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 128 PM CDT Fri Aug 28 2026 

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Issued: 1259 PM CDT Fri Aug 28 2026
Key Messages
- Temperatures increase by a few degrees each day today through Monday, with highs in the upper 90s by Sunday.
- Multiple days of high temperatures between 90-100 F and heat index values of 95-110 F are expected Sunday-Thursday, with Major (Level 3 of 4) to Extreme (Level 4 of 4) Heat Risk expected across the area.
- Once the heat starts, it is not forecast to end anytime soon. The CPC forecasting a 70-80% chance of above average temperatures to continue at least through September 4-10.
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