Bourne School, SD Weather Forecast
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Bourne School Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
| Mostly Cloudy | Patchy Fog | Mostly Cloudy | Chance of Rain | Rain | Rain | Chance of Rain | Mostly Clear | Clearing | Partly Cloudy | Clearing | Partly Cloudy |
| Hi: 69°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 55°FHi: 13°C | Hi: 51°FHi: 11°C | Lo: 35°FLo: 2°C | Hi: 55°FHi: 13°C | Lo: 35°FLo: 2°C | Hi: 51°FHi: 11°C | Lo: 35°FLo: 2°C | |
| POP: 70% | POP: 90% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 617 AM MDT Sat Oct 31 2026 

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Issued: 537 AM MDT Sat Oct 31 2026
Key Messages
- Areas of dense fog return tonight into Saturday morning.
- Mild and mostly dry this weekend
- Rain and potentially strong northwest wind gusts Monday into Monday night; some light snow possible over the higher Black Hills.
Discussion
...(This Evening Through Friday) Issued at 123 PM MDT Fri Oct 30 2026
A slow-moving deep upper trough is sitting just offshore the Pac NW. Southwesterly flow is stretching across most of the western CONUS into the northern Plains. WV imagery shows a strong shor...
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