Weather World
Harrison School, SD Weather Forecast
Quick Weather Clicks
Settings
Sun & Moon
Harrison School Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
 | |  | | |  |  |  |  | | |  |
| Patchy Fog | Fog | Chance of Showers | Chance of Showers | Showers | Chance of Showers | Mostly Cloudy | Mostly Cloudy | Chance of Showers | Chance of Showers | Chance of Showers | Partly Cloudy |
| Lo: 55°FLo: 13°C | Hi: 65°FHi: 18°C | Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C | Lo: 51°FLo: 11°C | Hi: 61°FHi: 16°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 69°FHi: 21°C Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C Lo: 51°FLo: 11°C | Lo: 55°FLo: 13°C | Hi: 75°FHi: 24°C Lo: 55°FLo: 13°C |
| POP: 50% | POP: 70% | POP: 90% | POP: 30% | POP: 20% | POP: 20% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 422 PM CDT Fri Sep 18 2026 
Harrison School Radar Loop
Use the map search tool if you want to place a location marker on the radar map...
Harrison School Weather Map
Harrison School Quick Facts
Harrison School Forecast Discussion
Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 131 PM CDT Fri Sep 18 2026
Key Messages
- A low cloud deck will be sitting over central and northeastern SD and west central MN tonight into Saturday morning. This low cloud deck will cause some misty conditions that could lower visibilities at times. These misty conditions will turn to fog overnight into Saturday morning over the Prairie Coteau and could cause visibilities to be less than 1 mile at times.
- The next chance for rain will move in over central SD Saturday evening and then spread east over central and portions of...