| NWS Forecast for: O'Brien County Issued by: National Weather Service Sioux Falls, SD Last Update: 239 AM CDT Thu Apr 23 2026 | |
Today: A chance of thunderstorms. Showers, breezy with highs in the mid 70s. South winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 80 percent. Tonight: Mostly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear after midnight. Much cooler. Less humid with lows in the upper 30s. Northwest winds 15 to 20 mph. Chance of rain 20 percent. Friday: Sunny, cooler with highs in the lower 60s. Northwest winds 10 to 15 mph. Friday Night: Mostly clear in the evening, then mostly cloudy with a slight chance of showers after midnight. Lows in the upper 30s. North winds 5 to 10 mph, becoming northeast after midnight. Chance of rain 20 percent. Saturday: Mostly cloudy. A chance of showers, mainly in the morning. Highs in the upper 50s. East winds 5 to 10 mph. Chance of rain 30 percent. Saturday Night: Mostly cloudy. A slight chance of showers in the evening. Lows in the lower 40s. Chance of rain 20 percent. Sunday: Mostly cloudy. Showers likely in the afternoon. Highs in the lower 60s. Chance of rain 60 percent. Sunday Night: A chance of thunderstorms in the evening. Showers, breezy with lows in the mid 40s. Chance of rain 90 percent. Monday: Showers likely, mainly in the morning. Windy with highs in the upper 50s. Chance of rain 70 percent. Monday Night: Mostly cloudy and breezy, cooler with lows in the mid 30s. Tuesday: Mostly sunny. Highs in the upper 50s. Tuesday Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 30s. Wednesday: Mostly sunny. Highs in the lower 60s. | |
| Zone Forecast: O'Brien County | |
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