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Underdown Lake Weather Forecast
| THIS AFTERNOON | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
 |  | | | | |  |  |  |  | | |
| Sunny | Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Partly Cloudy | Partly Cloudy | Chance of Showers | Chance of Showers | Showers Likely | Chance of Showers |
| Hi: 85°FHi: 29°C | Lo: 59°FLo: 15°C | Hi: 89°FHi: 32°C | Lo: 60°FLo: 16°C | Hi: 91°FHi: 33°C | Lo: 65°FLo: 18°C | Hi: 91°FHi: 33°C Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C Lo: 69°FLo: 21°C | Hi: 89°FHi: 32°C Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C |
| POP: 50% | POP: 50% | POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 126 PM CDT Mon Sep 28 2026 
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Issued: 1241 PM CDT Mon Sep 28 2026
Key Messages
- A dry, warm airmass remains over the region through at least midweek.
- Rain chances return to the region, particularly Thursday into the weekend when heavier rainfall may be possible.
Discussion
... Issued at 1241 PM CDT Mon Sep 28 2026
Monday night - Sunday
Upper-lvl ridge will continue to build over the region, keeping northwest flow, dry conditions, and high temps in the low 90s through Wednesday. With ongoing drought conditions and RH values (%) in the mid-20s, a "Limited" fire danger...