| NWS Forecast for: Newcastle Issued by: National Weather Service Rapid City, SD Last Update: 907 AM MST Mon Dec 29 2025 | |
| Rest Of Today: Mostly sunny. Not as cool with highs in the mid 30s. Northwest winds 5 to 10 mph. Gusts up to 20 mph this afternoon. Tonight: Mostly clear. Lows 15 to 20. Northwest winds 5 to 10 mph. Tuesday: Partly cloudy. Highs in the lower 40s. Northwest winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. Tuesday Night: Mostly clear. Lows around 20. Northwest winds 5 to 10 mph. Wednesday: Sunny. Highs in the upper 40s. Northwest winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. Wednesday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 20s. New Years Day: Becoming mostly cloudy. Highs in the upper 40s. Thursday Night: Mostly cloudy. Lows in the mid 20s. Friday: Becoming partly cloudy. Highs in the upper 40s. Friday Night: Partly cloudy. Lows in the mid 20s. Saturday: Partly cloudy. Highs in the upper 40s. Saturday Night: Partly cloudy. Lows in the mid 20s. Sunday: Partly cloudy. Highs in the upper 40s. | |
| Zone Forecast: Newcastle | |
Visit your local NWS office at: https://www.weather.gov/unr |