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Big Seco Tank Weather Forecast
| REST OF TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | FRIDAY | FRIDAY NIGHT |
 |  | |  |  |  | | | | | | |
| Fog | Isolated Showers | Fog | Partly Cloudy | Mostly Clear | Mostly Clear | Mostly Clear | Sunny | Mostly Clear | Mostly Clear | Sunny | Mostly Clear |
| Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Lo: 45°FLo: 7°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C Lo: 50°FLo: 10°C | Hi: 71°FHi: 22°C Lo: 50°FLo: 10°C | Hi: 71°FHi: 22°C | Hi: 70°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 70°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C |
| POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1232 AM MDT Sun Oct 04 2026 
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Issued: 1245 AM MDT Sun Oct 4 2026
Key Messages
Issued at 1245 AM MDT Sun Oct 4 2026- Arroyos, rivers and streams will continue to run high Sunday after recent rainfall. Stay away from river banks.
- Patchy fog may reduce visibility at times Sunday and Monday mornings. Highest confidence exists near the central higher terrain, protected mountain valleys, and parts of eastern New Mexico.
Aviation
... (06Z TAFS) Issued at 1154 PM MDT Sat Oct 3 2026
Low clouds with MVFR to IFR ceilings will develop across portions of the east slopes of the...