| NWS Forecast for: O'Brien County Issued by: National Weather Service Sioux Falls, SD Last Update: 810 PM CDT Thu Apr 23 2026 |  |
Tonight: Mostly cloudy this evening, then clearing. Areas of blowing dust this evening, then patchy blowing dust after midnight. Breezy and much cooler with lows in the upper 30s. Northwest winds 15 to 25 mph with gusts up to 35 mph. Friday: Sunny. 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 lower 40s. Northeast winds 5 to 10 mph. Chance of rain 20 percent. Saturday: Mostly cloudy with a 40 percent chance of showers. Highs in the lower 60s. East winds 10 to 15 mph. Saturday Night: Mostly cloudy. A chance of showers in the evening. Lows in the mid 40s. East winds around 10 mph. Chance of rain 40 percent. Sunday: Partly sunny with a slight chance of showers in the morning, then mostly cloudy with a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the mid 60s. Chance of rain 50 percent. Sunday Night: Showers with a chance of thunderstorms. Breezy with lows around 50. Chance of rain 90 percent. Monday: Showers, mainly in the morning. Windy with highs around 60. Chance of rain 90 percent. Monday Night: Mostly cloudy. A chance of showers in the evening. Windy, cooler with lows in the upper 30s. Chance of rain 30 percent. Tuesday: Mostly cloudy in the morning, then clearing. Highs in the upper 50s. Tuesday Night: Mostly cloudy in the evening, then clearing. Lows in the mid 30s. Wednesday: Sunny. Highs in the upper 50s. Wednesday Night: Partly cloudy. Lows in the mid 30s. Thursday: Mostly sunny. Highs in the upper 50s. | |
| Zone Forecast: O'Brien County | |
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