| NWS Forecast for: North Sioux Issued by: National Weather Service Cheyenne, WY Last Update: 107 PM MDT Tue Oct 13 2026 |  |
| This Afternoon: Mostly sunny. Highs in the mid 50s. East winds 5 to 10 mph with gusts up to 20 mph. Tonight: Mostly cloudy. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the upper 30s. Northeast winds 5 to 10 mph. Chance of rain 50 percent. Wednesday: Cloudy. Patchy fog in the morning. A chance of showers in the morning, then showers in the afternoon. Highs in the upper 40s. East winds 5 to 10 mph. Chance of rain 80 percent. Wednesday Night: Rain. Lows in the upper 30s. Northeast winds 5 to 10 mph, increasing to north 15 to 20 mph with gusts up to 30 mph after midnight. Chance of rain near 100 percent. Thursday: Mostly cloudy with rain likely in the morning, then mostly sunny in the afternoon. Breezy with highs in the mid 50s. North winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 70 percent. Thursday Night: Mostly clear. Widespread frost after midnight. Colder with lows in the upper 20s. Friday: Widespread frost in the morning. Sunny. Highs in the lower 60s. Friday Night And Saturday: Clear, breezy. Lows in the mid 30s. Highs in the mid 70s. Saturday Night Through Sunday Night: Mostly clear. Lows in the lower 40s. Highs in the upper 60s. Monday: Sunny. Highs around 70. | |
| Zone Forecast: North Sioux | |
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