Cash, SD Weather Forecast
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| TONIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY |
| Chance of Showers | Chance of T-Storm | Partly Cloudy | Partly Cloudy | Mostly Cloudy | Chance of Showers | Partly Cloudy | Clearing | Partly Cloudy | Partly Cloudy | Chance of T-Storm | Chance of Showers |
| Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C | Lo: 49°FLo: 9°C | Hi: 79°FHi: 26°C | Lo: 51°FLo: 11°C | Hi: 70°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C | Lo: 50°FLo: 10°C | Hi: 71°FHi: 22°C | Lo: 51°FLo: 11°C | Hi: 69°FHi: 21°C |
| POP: 40% | POP: 50% | POP: 40% | POP: 40% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 757 PM MDT Tue Sep 22 2026 

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Issued: 531 PM MDT Tue Sep 22 2026
Key Messages
- Scattered showers/isolated thunderstorms will move across the CWA tonight/Wednesday
- Drying out for the rest of the week, but southwest flow aloft will bring the possibility of showers or thunderstorms
- Breezy/windy spots through Wednesday
Discussion
...(This Evening Through Tuesday) Issued at 156 PM MDT Tue Sep 22 2026
19z surface analysis had high over the Great Lakes with a warm front from central MT into eastern CO. Modestly tight pressure gradient inbetween promoting southeasterly wi...
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