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Fossil Tank Weather Forecast
| REST OF TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY |
 |  | | | | | | |  |  | | |
| Mostly Clear | Mostly Sunny | Mostly Clear | Sunny | Clear | Mostly Sunny | Clear | Clear | Chance of T-Storm | Chance of Showers | Clear | Clear |
| Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Lo: 49°FLo: 9°C | Hi: 65°FHi: 18°C | Hi: 70°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 70°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 50°FLo: 10°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C |
| POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1226 AM MDT Sat Oct 03 2026 
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Issued: 1012 PM MDT Fri Oct 2 2026
Key Messages
Updated at 1011 PM MDT Fri Oct 2 2026- Temperatures remain cool (5-8 degrees below normal) through Monday; warming trend back to above normal by mid-week.
- Mostly dry conditions through much of next week, before a slight chance of showers returns next weekend.
- Breezy winds again Sunday and Monday.
Discussion
... Issued at 1011 PM MDT Fri Oct 2 2026
Extremely positively tilted trough extends from eastern Great Lakes back across the southern Plains to eastern New Mexico. Closed off low in t...