Kasper, SD Weather Forecast
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Kasper Weather Forecast
| REST OF TODAY | TONIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY | SATURDAY |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Mostly Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Partly Sunny |
| Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C Lo: 55°FLo: 13°C | Hi: 85°FHi: 29°C Lo: 59°FLo: 15°C | Hi: 85°FHi: 29°C Lo: 59°FLo: 15°C | Hi: 75°FHi: 24°C |
| POP: 20% | POP: 30% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1121 AM CDT Sun Sep 06 2026 

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Issued: 1050 AM CDT Sun Sep 6 2026
Key Messages
- There is a Marginal risk (level 1 out of 5) for severe storms over the region today and Monday. Main hazards will be 1 inch diameter hail and 60 mph wind gusts.
- Hot temperatures will persist into Monday. Highs in the low 80s over northeastern SD to mid 90s over central SD are expected for the next couple of days.
- Northwest wind 15 to 30 mph and gusts of 30 to 45 mph, low relative humidity, and dry cured fuels may result in fire weather concerns on Tuesday.
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