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Newell Experiment Station Weather Forecast
| THIS AFTERNOON | TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT |
 |  |  |  |  | | | | | | | |
| Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Mostly Clear | Sunny | Clear | Mostly Sunny | Mostly Clear | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Hi: 85°FHi: 29°C | Lo: 59°FLo: 15°C | Hi: 89°FHi: 32°C | Lo: 59°FLo: 15°C | Hi: 91°FHi: 33°C | Lo: 60°FLo: 16°C | Hi: 90°FHi: 32°C | Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C | Lo: 61°FLo: 16°C | Hi: 90°FHi: 32°C | Lo: 61°FLo: 16°C |
| POP: 20% | POP: 40% | POP: 20% | POP: 50% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1137 AM MDT Tue Aug 18 2026 
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Newell Experiment Station Forecast Discussion
Issued: 1243 PM MDT Tue Aug 18 2026
Key Messages
- Storms will develop over the area this afternoon, some storms may be strong to severe and be capable of 70+ mph gusts and large hail.
- More chances for afternoon storms on Wednesday, mainly across western SD.
- Trending warmer to end the week into next weekend.
Discussion
...(This Evening Through Tuesday) Issued at 1242 PM MDT Tue Aug 18 2026
Shortwave will push through region today and bring another round of storms to the CWA this afternoon. Modestly unstable...