| NWS Forecast for: Newcastle Issued by: National Weather Service Rapid City, SD Last Update: 1246 PM MDT Sun Jul 13 2025 |  |
| This Afternoon: Sunny. Highs around 90. North winds 5 to 10 mph. Tonight: Mostly clear. Lows in the lower 60s. East winds 10 to 15 mph. Monday: Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Some thunderstorms may produce small hail in the afternoon. Highs in the mid 90s. South winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. Chance of rain 20 percent. Monday Night: Partly cloudy. A chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Lows around 60. East winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 50 percent. Tuesday: Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. North winds 10 to 15 mph. Chance of rain 50 percent. Tuesday Night: Showers likely. A chance of thunderstorms in the evening, then a slight chance of thunderstorms after midnight. Lows in the mid 50s. Chance of rain 70 percent. Wednesday: Mostly cloudy. Showers likely with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs around 70. Chance of rain 70 percent. Wednesday Night: A chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the lower 50s. Chance of rain 50 percent. Thursday: Becoming partly cloudy. Highs in the mid 70s. Thursday Night: Mostly clear in the evening, then becoming partly cloudy. A slight chance of showers and thunderstorms. Lows in the mid 50s. Chance of rain 20 percent. Friday: Mostly sunny. Highs in the lower 80s. Friday Night: Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 50s. Chance of rain 20 percent. Saturday: Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of rain 20 percent. | |
| Zone Forecast: Newcastle | |
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