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Big Rocky Tank Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | SATURDAY |
 |  | |  | | | |  | | | | |
| Clear | Mostly Sunny | Mostly Clear | Clearing | Clear | Clear | Clear | Chance of T-Storm | Mostly Clear | Clear | Clear | Mostly Sunny |
| Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 807 PM MDT Sat Oct 03 2026 
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Issued: 526 PM MDT Sat Oct 3 2026
Key Messages
Updated at 522 PM MDT Sat Oct 3 2026- Cool October temperatures through Monday, then warming a bit the rest of the week. Lowland highs in the mid to upper 70s each afternoon. Breezy east winds on Sunday.
- Mostly dry conditions through the week ahead, a much needed break after September`s heavy rain.
Discussion
... Issued at 1100 AM MDT Sat Oct 3 2026
Upper high over the Four Corners will lead to dry weather locally over the weekend. Surface high spanning across the High Plains will mainta...