| NWS Forecast for: Mellette County Issued by: National Weather Service Rapid City, SD Last Update: 932 AM CDT Wed Aug 26 2026 |  |
| Rest Of Today: Sunny. Highs in the mid 80s. Northwest winds 5 to 10 mph. Gusts up to 20 mph this afternoon. Tonight: Mostly clear. Lows in the upper 50s. Southeast winds 5 to 10 mph. Thursday: Mostly sunny. Highs in the mid 80s. Southeast winds 10 to 15 mph. Thursday Night: Mostly clear. Lows in the lower 60s. Southeast winds 10 to 15 mph with gusts up to 25 mph. Friday: Partly cloudy. Highs in the lower 90s. South winds 10 to 20 mph with gusts up to 35 mph. Friday Night: Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 60s. Chance of rain 20 percent. Saturday: Partly cloudy. Highs in the lower 90s. Saturday Night: Partly cloudy with a slight chance of showers and thunderstorms. Lows in the mid 60s. Chance of rain 20 percent. Sunday: Partly cloudy. Highs in the upper 80s. Sunday Night: A slight chance of thunderstorms in the evening. Partly cloudy with a slight chance of showers. Lows in the lower 60s. Chance of rain 20 percent. Monday: Partly cloudy with a slight chance of showers in the morning, then mostly sunny in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. Monday Night: Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 60s. Chance of rain 20 percent. Tuesday: Partly cloudy with a slight chance of showers in the morning, then mostly sunny in the afternoon. Highs in the upper 80s. Chance of rain 20 percent. | |
| Zone Forecast: Mellette County | |
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