| NWS Forecast for: Day County Issued by: National Weather Service Aberdeen, SD Last Update: 236 AM CDT Thu May 21 2026 | |
| Rest Of Tonight: Mostly cloudy. Near steady temperature in the upper 40s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Thursday: Partly sunny. Highs in the mid 60s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Thursday Night: Partly cloudy. Lows in the lower 40s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Friday: Showers, cooler with highs in the mid 50s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Chance of rain near 100 percent. Friday Night: Cloudy. Showers, mainly in the evening. Lows in the lower 40s. Southeast winds 10 to 15 mph with gusts up to 30 mph, becoming southwest 5 to 10 mph after midnight. Chance of rain 90 percent. Saturday: Mostly cloudy in the morning, then becoming partly sunny. Warmer with highs in the mid 60s. Saturday Night: Partly cloudy. Lows in the mid 40s. Sunday And Sunday Night: Mostly clear. Highs in the upper 70s. Lows in the lower 50s. Memorial Day Through Tuesday: Mostly clear. Highs in the mid 80s. Lows in the upper 50s. Tuesday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s. Wednesday: Partly sunny. A slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of rain 20 percent. | |
| Zone Forecast: Day County | |
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