| NWS Forecast for: O'Brien County Issued by: National Weather Service Sioux Falls, SD Last Update: 940 PM CST Fri Jan 9 2026 | |
Tonight: Mostly cloudy this evening, then clearing. Lows around 19. Northwest winds 5 to 10 mph. Saturday: Partly sunny in the morning, then clearing. Highs around 30. Northwest winds 15 to 20 mph with gusts up to 30 mph. Saturday Night: Mostly clear. Cold with lows around 12. Northwest winds 15 to 20 mph. Sunday: Sunny. Highs in the lower 30s. West winds 5 to 10 mph, becoming southwest 10 to 15 mph in the afternoon. Sunday Night: Partly cloudy and not as cool. Near steady temperature in the upper 20s. Southwest winds 10 to 15 mph. Monday: Mostly sunny. Not as cool with highs in the upper 40s. Monday Night: Mostly cloudy and not as cool. Near steady temperature in the upper 30s. Tuesday: Mostly sunny. Highs around 50. Tuesday Night: Mostly cloudy. Cooler with lows in the mid 20s. Wednesday: Partly sunny. A slight chance of snow in the morning. Much cooler with highs in the lower 30s. Chance of snow 20 percent. Wednesday Night: Partly cloudy. Lows 15 to 20. Thursday: Partly sunny in the morning, then mostly cloudy with a chance of snow and rain in the afternoon. Highs in the mid 30s. Chance of precipitation 30 percent. Thursday Night: Mostly cloudy with a 20 percent chance of snow. Lows in the mid 20s. Friday: Mostly cloudy with a 50 percent chance of snow. Highs in the lower 30s. | |
| Zone Forecast: O'Brien County | |
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