| NWS Forecast for: McCook County Issued by: National Weather Service Sioux Falls, SD Last Update: 229 PM CDT Fri Oct 2 2026 | |
| Tonight: Mostly clear. Lows around 50. Southeast winds 15 to 20 mph with gusts up to 30 mph. Saturday: Mostly sunny. Warmer with highs in the lower 70s. South winds 15 to 20 mph, becoming southwest in the afternoon. Gusts up to 35 mph. Saturday Night: Mostly clear. Lows in the mid 40s. Northwest winds 5 to 10 mph. Sunday: Sunny. Highs in the mid 60s. Northwest winds around 5 mph. Sunday Night: Clear. Lows in the upper 40s. Northeast winds around 5 mph, becoming southeast after midnight. Monday: Sunny. Highs in the upper 60s. Monday Night: Mostly clear. Lows in the mid 50s. Tuesday: Mostly sunny. Highs in the mid 70s. Tuesday Night: Mostly clear. Lows in the mid 50s. Wednesday: Mostly sunny. Highs in the lower 70s. Wednesday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s. Thursday: Mostly sunny. Highs in the lower 70s. Thursday Night: Mostly clear. Lows in the mid 50s. Friday: Sunny. Highs in the lower 70s. | |
| Zone Forecast: McCook County | |
Visit your local NWS office at: https://www.weather.gov/fsd/ |