| NWS Forecast for: Custer Co Plains Issued by: National Weather Service Rapid City, SD Last Update: 157 AM MDT Mon Oct 19 2026 |  |
| Overnight: Mostly clear. Lows in the upper 30s. North winds around 5 mph. Monday: Sunny. Highs in the lower 60s. East winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. Monday Night: Clear. Lows in the lower 40s. South winds 5 to 10 mph. Tuesday: Sunny. Highs in the mid 70s. South winds 10 to 20 mph with gusts up to 30 mph. Tuesday Night: Clear. Lows in the mid 40s. Northwest winds 5 to 10 mph with gusts up to 20 mph. Wednesday: Sunny. Highs in the upper 60s. Wednesday Night: Mostly clear. Lows in the upper 40s. Thursday: Partly cloudy. Highs in the upper 70s. Thursday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 50s. Friday: Mostly cloudy in the morning, then partly cloudy with a slight chance of rain in the afternoon. Breezy with highs in the upper 70s. Chance of rain 20 percent. Friday Night: Partly cloudy with a 30 percent chance of rain. Lows in the mid 40s. Saturday: Partly cloudy. Cooler with highs in the upper 50s. Saturday Night: Mostly clear. Lows in the upper 30s. Sunday: Partly cloudy. Highs in the lower 60s. | |
| Zone Forecast: Custer Co Plains | |
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