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Riverside School Weather Forecast
| TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
 |  |  | | |  | |  | | | |  |
| Chance of T-Storm | Chance of Showers | Mostly Cloudy | Chance of Showers | Showers | Chance of T-Storm | Mostly Cloudy | Mostly Cloudy | Chance of T-Storm | Chance of T-Storm | Showers | Chance of Showers |
| Lo: 59°FLo: 15°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 69°FHi: 21°C | Lo: 55°FLo: 13°C | Hi: 70°FHi: 21°C | Hi: 71°FHi: 22°C Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C Lo: 55°FLo: 13°C | Lo: 55°FLo: 13°C | Hi: 70°FHi: 21°C | Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C |
| POP: 50% | POP: 20% | POP: 50% | POP: 90% | POP: 20% | POP: 50% | POP: 70% | POP: 70% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 722 PM CDT Wed Sep 23 2026 
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Issued: 635 PM CDT Wed Sep 23 2026
Key Messages
- Scattered rain showers to weak thunderstorms will continue this afternoon. As showers move eastward into northeastern SD and western MN tonight, coverage will become more dense and rain rates will increase. Through Thursday morning, there is a 60-90% chance to see a quarter of an inch of rain or more along and east of the James River.
- Another round of rain arrives Friday afternoon into Saturday morning. There is a 30-60% chance to see a quarter of an inch through more through Saturda...