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Big White School Weather Forecast
| REST OF TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
 |  |  |  | |  | |  | | | | |
| Mostly Clear | Chance of Showers | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny | Mostly Clear | Mostly Sunny |
| Lo: 51°FLo: 11°C | Hi: 65°FHi: 18°C | Lo: 59°FLo: 15°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Lo: 50°FLo: 10°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C |
| POP: 20% | POP: 70% | POP: 50% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 847 PM MDT Sat Sep 26 2026 
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Issued: 1033 PM MDT Sat Sep 26 2026
Key Messages
-Another lobe of tropical moisture expected Sunday into Monday, supporting more chances for rain
-Cool Sunday, especially on the SD Plains
-Seasonal and dry after Monday
Discussion
...(This Afternoon Through Friday) Issued at 1059 AM MDT Sat Sep 26 2026
Upper trough will remain in place through early next week over the western CONUS, supporting mainly WSW flow aloft. Pattern change expected toward next weekend as a strong NE Pac upper trough dives into the Pac NW and supports a couple str...