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Kasper Weather Forecast
| TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY |
 |  |  | |  | | | | |  |  | |
| Partly Cloudy | Mostly Cloudy | Chance of Rain | Partly Sunny | Mostly Cloudy | Mostly Cloudy | Rain | Rain | Rain | Chance of Rain | Chance of Rain | Chance of Rain |
| Lo: 39°FLo: 4°C | Hi: 55°FHi: 13°C | Lo: 45°FLo: 7°C | Hi: 61°FHi: 16°C | Lo: 49°FLo: 9°C | Hi: 61°FHi: 16°C | Lo: 50°FLo: 10°C | Hi: 59°FHi: 15°C | Lo: 41°FLo: 5°C | Hi: 51°FHi: 11°C | Lo: 39°FLo: 4°C | Hi: 49°FHi: 9°C |
| POP: 50% | POP: 70% | POP: 90% | POP: 70% | POP: 50% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 821 PM CDT Thu Oct 29 2026 
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Issued: 647 PM CDT Thu Oct 29 2026
Key Messages
- Patchy fog may develop overnight tonight into early Friday morning. The main areas of concern will be over parts of north central South Dakota and the eastern side of the Sisseton Hills. Visibility may drop to a mile or less at times.
- Rain showers move over the forecast area Friday evening into Saturday morning. There is a 10 to 40 percent chance to see a tenth of an inch of rain through that time frame.
- More widespread, heavier rainfall is expected Sunday night through Tuesday as a ...