Weather WorldBig Southwest Tank, NM Weather Forecast
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Big Southwest Tank Weather Forecast
| REST OF TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
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| Mostly Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Mostly Sunny | Partly Cloudy |
| Hi: 90°FHi: 32°C | Lo: 61°FLo: 16°C | Hi: 91°FHi: 33°C | Lo: 65°FLo: 18°C | Hi: 91°FHi: 33°C | Hi: 91°FHi: 33°C Lo: 61°FLo: 16°C | Hi: 91°FHi: 33°C Lo: 61°FLo: 16°C | Lo: 61°FLo: 16°C | Hi: 91°FHi: 33°C | Lo: 65°FLo: 18°C | Hi: 91°FHi: 33°C | Lo: 65°FLo: 18°C |
| POP: 20% | POP: 20% | POP: 20% | POP: 20% | POP: 20% | POP: 40% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1232 PM MDT Sun Aug 23 2026 
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Issued: 121 PM MDT Sun Aug 23 2026
Key Messages
Updated at 1211 PM MDT Sun Aug 23 2026- Showers and thunderstorms will decrease in coverage today and Monday, then increase in coverage Tuesday through Thursday, with a risk of cloud-to-ground lightning, erratic wind gusts, and ponding of water on roads.
- A risk of locally heavy rainfall and flash flooding will develop with storms along and east of the Sangre de Cristo Mountains both Tuesday and Wednesday.
- Moderate-to-high heat risk will impact much of central and eastern New Mexico du...