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McCook County, SD Weather Forecast
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McCook County Weather Forecast
| TODAY | TONIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | COLUMBUS DAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT |
 |  |  |  | | | |  |  | | |  |
| Clearing | Chance of Showers | Sunny | Clear | Sunny | Mostly Clear | Mostly Sunny | Mostly Cloudy | Chance of Showers | Mostly Cloudy | Mostly Sunny | Partly Cloudy |
| Hi: 75°FHi: 24°C | Lo: 55°FLo: 13°C | Hi: 81°FHi: 27°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 50°FLo: 10°C | Hi: 61°FHi: 16°C | Lo: 41°FLo: 5°C | Hi: 59°FHi: 15°C | Lo: 45°FLo: 7°C |
| POP: 20% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 634 AM CDT Thu Oct 08 2026 
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Issued: 644 AM CDT Thu Oct 8 2026
Key Messages
- Warm and predominantly dry conditions will persist into the weekend. However, scattered showers with isolated thunderstorm may return this afternoon mainly across northwestern IA. Severe weather is not expected.
- Dry and breezy conditions over the weekend could lead to elevated fire concerns especially by Saturday. Make sure to limit any activities that could create a spark!
- A return to an active pattern by Monday will lead to multiple rain chances (30%-50%) throughout the week.