Buffalo, SD Weather Forecast
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Buffalo Weather Forecast
| REST OF TODAY | TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT |
| Mostly Sunny | Mostly Clear | Partly Cloudy | Clearing | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Mostly Sunny | Mostly Clear | Mostly Sunny | Partly Cloudy |
| Hi: 95°FHi: 35°C | Lo: 65°FLo: 18°C | Hi: 95°FHi: 35°C | Lo: 61°FLo: 16°C | Hi: 90°FHi: 32°C | Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 51°FLo: 11°C | Hi: 80°FHi: 27°C | Lo: 51°FLo: 11°C |
| POP: 20% | POP: 60% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 832 AM MDT Fri Sep 04 2026 

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Issued: 519 AM MDT Fri Sep 4 2026
Key Messages
- Above average temperatures will remain in the forecast. The hottest days will be Today and Saturday with highs in the mid to upper 90s.
- Elevated to near-critical fire weather conditions are expected through Saturday.
- Best chance for passing showers and thunderstorms is on Sunday.
Discussion
...(This Afternoon Through Wednesday) Issued at 1141 AM MDT Thu Sep 3 2026
Afternoon satellite imagery shows clear skies over the area and upstream. So tonight`s forecast is looking clear with dimini...
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