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Curtis Upper Lake Weather Forecast
| TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
 |  | | | |  |  |  |  | | | |
| Mostly Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Partly Cloudy | Chance of T-Storm | Mostly Sunny | Mostly Clear |
| Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 80°FHi: 27°C | Hi: 80°FHi: 27°C Lo: 65°FLo: 18°C | Hi: 80°FHi: 27°C Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C Lo: 65°FLo: 18°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C |
| POP: 40% | POP: 40% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 457 AM CDT Fri Aug 21 2026 
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Curtis Upper Lake Forecast Discussion
Issued: 429 AM CDT Fri Aug 21 2026
Key Messages
- Seasonably hot today, with afternoon high temperatures in the upper 80s to lower 90s.
- Slight chance (20%) for showers and thunderstorms late this afternoon into this evening. If there are storms, they may be strong to severe, with damaging wind gusts being the primary hazard.
- Cooler temperatures are expected Saturday and especially Sunday.
- Rain chances (30 to 40%) return late Sunday night into Monday morning.
Discussion
... Issued at 317 AM CDT Fri Aug 21 2026
Eastern Kansas and Western...