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Grenell School, SD Weather Forecast
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Grenell School Weather Forecast
| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 |  | | | | | | | |  |  |  |
| Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Partly Sunny | Chance of Showers |
| Hi: 69°FHi: 21°C | Lo: 39°FLo: 4°C | Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 69°FHi: 21°C | Lo: 49°FLo: 9°C | Hi: 71°FHi: 22°C | Lo: 49°FLo: 9°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 80°FHi: 27°C | Lo: 55°FLo: 13°C |
| POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 238 AM CDT Sun Oct 18 2026 
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Issued: 256 AM CDT Sun Oct 18 2026
Key Messages
- Above normal temperatures expected through next weekend, from 10 to 20 degrees above normal Wednesday through Friday.
- Precipitation chances remain very low (less than 10%) until late week.
- Continued dry, warm, and periodically breezy conditions could lead to elevated fire concerns by late week.
Discussion
... Issued at 114 PM CDT Sat Oct 17 2026
Strong southerly flow remains in place through Sunday as a jet max tracks by to the north along the Canadian border. Gusts of 35 to 45 mph will...