| NWS Forecast for: South Sioux Issued by: National Weather Service Cheyenne, WY Last Update: 234 PM MDT Fri Aug 8 2025 | |
Tonight: Mostly cloudy early, then becoming partly cloudy. A slight chance of showers and thunderstorms early, then a chance of showers with a slight chance of thunderstorms this evening. Lows in the mid 50s. Northwest winds around 15 mph with gusts up to 25 mph, becoming northeast with gusts up to 25 mph. Chance of rain 30 percent. Saturday: Sunny. Highs in the lower 80s. Northeast winds around 5 mph, becoming west in the afternoon. Saturday Night: Partly cloudy. A chance of showers after midnight. Lows in the mid 50s. Northeast winds 5 to 10 mph. Chance of rain 30 percent. Sunday: Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs around 80. Northeast winds 5 to 10 mph. Chance of rain 50 percent. Sunday Night: Mostly clear. Lows in the lower 50s. South winds around 5 mph. Monday: Sunny, hot with highs in the mid 80s. Monday Night: Partly cloudy in the evening, then clearing. Lows in the mid 50s. Tuesday Through Thursday: Mostly clear. Hot. Highs in the mid 90s. Lows in the upper 50s. Thursday Night: Partly cloudy. Lows around 60. Friday: Sunny, hot with highs in the mid 90s. | |
| Zone Forecast: South Sioux | |
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