| NWS Forecast for: McCook County Issued by: National Weather Service Sioux Falls, SD Last Update: 133 AM CDT Mon May 18 2026 |  |
Rest Of Tonight: Cloudy, cooler with lows in the mid 40s. Northwest winds 15 to 20 mph with gusts up to 30 mph. Monday: Cloudy. Showers with a slight chance of thunderstorms in the afternoon. Much cooler with highs in the upper 50s. North winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 90 percent. Monday Night: Showers in the evening. Breezy with lows in the upper 30s. North winds 20 to 25 mph with gusts up to 35 mph. Chance of rain 80 percent. Tuesday: Cloudy in the morning, then becoming partly sunny. Breezy with highs in the mid 50s. Northwest winds 20 to 25 mph. Tuesday Night: Partly cloudy in the evening, then clearing. Lows in the lower 30s. North winds 15 to 20 mph, becoming east around 5 mph after midnight. Wednesday: Mostly sunny. Warmer with highs in the mid 60s. Wednesday Night: Partly cloudy. Not as cool with lows in the lower 40s. Thursday: Mostly cloudy in the morning, then becoming partly sunny. Breezy with highs in the upper 60s. Thursday Night: Mostly cloudy. A chance of showers after midnight. Lows in the mid 40s. Chance of rain 50 percent. Friday: Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. Highs around 70. Chance of rain 50 percent. Friday Night: Mostly cloudy. Lows in the upper 40s. Saturday: Mostly cloudy in the morning, then becoming mostly sunny. Highs in the mid 70s. Saturday Night: Partly cloudy. Lows in the lower 50s. Sunday: Mostly sunny. Highs in the mid 80s. | |
| Zone Forecast: McCook County | |
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