| NWS Forecast for: Sully County Issued by: National Weather Service Aberdeen, SD Last Update: 636 PM CDT Sun Apr 19 2026 |  |
| Tonight: Mostly clear. Lows in the lower 30s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Monday: Partly sunny and breezy. Much warmer with highs in the mid 70s. South winds 15 to 25 mph. Monday Night: Partly cloudy in the evening, then clearing. Lows in the lower 40s. North winds 5 to 10 mph. Tuesday: Mostly sunny. Highs in the upper 70s. East winds 5 to 10 mph, becoming southeast 10 to 15 mph in the afternoon. Tuesday Night: Mostly clear in the evening, then becoming partly cloudy. Not as cool with lows in the lower 50s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Wednesday: Partly sunny. A slight chance of showers in the afternoon. Breezy with highs in the upper 80s. Chance of rain 20 percent. Wednesday Night: Showers likely with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Breezy with lows around 50. Chance of rain 70 percent. Thursday: Partly sunny with a 50 percent chance of showers. Very windy and much cooler with highs in the mid 60s. Thursday Night: Mostly cloudy. A chance of rain showers, mainly in the evening. Very windy and much cooler with lows in the lower 30s. Chance of rain 50 percent. Friday: Partly sunny and windy, cooler with highs in the lower 50s. Friday Night And Saturday: Partly cloudy. A slight chance of rain and snow showers. Breezy. Lows in the upper 20s. Highs in the lower 50s. Chance of precipitation 20 percent. Saturday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 20s. Sunday: A slight chance of snow showers in the morning. Partly sunny with a slight chance of rain showers. Highs in the mid 50s. Chance of precipitation 20 percent. | |
| Zone Forecast: Sully County | |
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