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Sumner Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
 |  | |  | |  | |  |  | | | |
| Widespread Fog | Mostly Clear | Patchy Fog | Chance of Showers | Chance of Showers | Chance of T-Storm | Chance of Showers | Chance of Showers | Mostly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers |
| Hi: 69°FHi: 21°C | Lo: 39°FLo: 4°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 59°FHi: 15°C | Lo: 41°FLo: 5°C |
| POP: 30% | POP: 40% | POP: 80% | POP: 70% | POP: 20% | POP: 80% | POP: 80% | POP: 70% |
POP = Probability of Precipitation.
Weather Outlook Updated: 657 AM CDT Wed Oct 28 2026 
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Issued: 626 AM CDT Wed Oct 28 2026
Key Messages
- Temperatures will warm up nicely today after the morning fog dissipates.
- Showers (and possibly some t-storms) become possible (20-60% chance) Thursday evening and are very likely on Friday (70-90% chance).
- Some rain could linger into Saturday, but the weekend should trend drier.
- The wet pattern continues with another good chance for rain late Sunday night through Monday.
Discussion
... Issued at 337 PM CDT Tue Oct 27 2026
Some weak isentropic lift associated with a shortwave trough has ...