7-Day Zone Forecast for O'Brien County (Text-Only)
NWS Forecast for: O'Brien County
Issued by: National Weather Service Sioux Falls, SD
Last Update: 314 PM CST Sun Nov 23 2025
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Tonight: Mostly clear this evening, then becoming mostly cloudy. Patchy fog after midnight. Not as cool with lows in the upper 30s. South winds 5 to 10 mph.

Monday: Patchy fog in the morning. Cloudy with a 50 percent chance of rain. Highs in the lower 50s. Southwest winds 5 to 10 mph.

Monday Night: Cloudy. A slight chance of rain in the evening. Lows in the upper 30s. West winds around 5 mph. Chance of rain 20 percent.

Tuesday: Mostly cloudy with a chance of rain in the morning, then partly sunny with a slight chance of rain and snow in the afternoon. Little or no snow accumulation. Highs in the mid 40s. Temperature falling into the upper 30s in the afternoon. West winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 30 percent.

Tuesday Night: Mostly cloudy. A slight chance of snow in the evening. Breezy and much cooler with lows in the lower 20s. Northwest winds 20 to 25 mph with gusts up to 35 mph. Chance of snow 20 percent.

Wednesday: Mostly sunny. Cooler with highs in the lower 30s.

Wednesday Night: Partly cloudy. Cold with lows around 15.

Thanksgiving Day: Mostly sunny. Highs around 30.

Thursday Night: Mostly cloudy. Lows 15 to 20.

Friday: Mostly cloudy. A slight chance of snow in the afternoon. Highs in the upper 20s. Chance of snow 20 percent.

Friday Night: Mostly cloudy with a 30 percent chance of snow. Lows around 20.

Saturday: Cloudy. A slight chance of snow in the morning, then a chance of snow in the afternoon. Highs in the upper 20s. Chance of snow 30 percent.

Saturday Night: Cloudy with a 40 percent chance of snow. Cold with lows around 15.

Sunday: Mostly cloudy with a 40 percent chance of snow. Highs in the mid 20s.







Zone Forecast: O'Brien County

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