| NWS Forecast for: North Sioux Issued by: National Weather Service Cheyenne, WY Last Update: 439 AM MDT Tue May 19 2026 |  |
Today: Widespread frost this morning. Sunny. Not as cool with highs in the upper 50s. West winds 5 to 10 mph. Tonight: Mostly clear. Areas of frost after midnight. Lows in the mid 30s. South winds 5 to 10 mph. Wednesday: Mostly sunny. Highs in the mid 60s. South winds 15 to 20 mph with gusts up to 30 mph. Wednesday Night: Partly cloudy in the evening, then clearing. Lows in the upper 30s. South winds 15 to 20 mph with gusts up to 40 mph. Thursday: Mostly sunny. A chance of rain showers in the afternoon. Highs in the mid 60s. South winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 50 percent. Thursday Night: A chance of thunderstorms in the evening. Showers likely. Lows in the upper 30s. Chance of rain 70 percent. Friday: Partly sunny with a 40 percent chance of rain showers. Highs in the mid 60s. Friday Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows around 40. Saturday And Saturday Night: Mostly clear. Highs in the mid 70s. Lows in the mid 40s. Sunday And Sunday Night: Mostly clear. Highs in the lower 80s. Lows in the upper 40s. Memorial Day: Sunny, hot with highs in the upper 80s. | |
| Zone Forecast: North Sioux | |
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