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Kasper Weather Forecast
| THIS AFTERNOON | TONIGHT | LABOR DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | THURSDAY | FRIDAY | FRIDAY NIGHT | SATURDAY |
 |  |  |  |  |  | | | | |  |
| Mostly Sunny | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Partly Sunny | Mostly Clear | Mostly Clear | Mostly Clear | Mostly Clear | Partly Cloudy | Chance of Showers |
| Hi: 79°FHi: 26°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 | Lo: 51°FLo: 11°C | Hi: 75°FHi: 24°C |
| POP: 20% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 221 PM CDT Sun Sep 06 2026 
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Issued: 226 PM CDT Sun Sep 6 2026
Key Messages
- There is a Marginal risk (level 1 out of 5) for severe storms and heavy rainfall over portions of northeast SD into west central MN into the evening hours. Main hazards will be 1 inch in diameter hail and 60 mph wind gusts and an isolated flash-flooding threat.
- There is a Marginal risk (level 1 out of 5) for severe storms over central and northeastern SD and west central MN Monday. The primary hazards will be 1 inch in diameter hail and 60 mph wind gusts.
- Hot temperatures for Septemb...