| NWS Forecast for: O'Brien County Issued by: National Weather Service Sioux Falls, SD Last Update: 628 AM CDT Sun Jun 15 2025 |  |
Today: Patchy fog this morning. Showers with a chance of thunderstorms this morning, then showers and thunderstorms likely this afternoon. Highs in the mid 80s. Temperature falling into the upper 70s this afternoon. Southeast winds 5 to 10 mph, becoming south this afternoon. Chance of rain 90 percent. Tonight: Mostly cloudy with a chance of thunderstorms. A chance of showers. Humid with lows in the mid 60s. South winds 5 to 10 mph. Chance of rain 50 percent. Monday: Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent. Monday Night: Showers and thunderstorms likely in the evening, then showers likely with a chance of thunderstorms after midnight. Humid with lows in the lower 60s. Southwest winds 10 to 15 mph. Chance of rain 70 percent. Tuesday: A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs around 80. Northeast winds 5 to 10 mph. Chance of rain 70 percent. Tuesday Night: Mostly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the upper 50s. Chance of rain 50 percent. Wednesday: Mostly sunny with a chance of showers. Highs around 80. Chance of rain 40 percent. Wednesday Night: Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 50s. Juneteenth: Sunny. Highs in the mid 80s. Thursday Night: A chance of thunderstorms in the evening. Mostly clear with a chance of showers. Lows in the mid 60s. Chance of rain 30 percent. Friday: Sunny. Highs in the lower 90s. Heat index values in the upper 90s in the afternoon. Friday Night: Mostly clear. Lows around 70. Heat index values in the upper 90s early in the evening. Saturday: Sunny. Highs in the lower 90s. | |
| Zone Forecast: O'Brien County | |
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