| NWS Forecast for: Western Sioux Issued by: National Weather Service Bismarck, ND Last Update: 221 AM MDT Mon Oct 5 2026 | |
| Today: Mostly clear. Highs in the upper 70s. Southeast winds 5 to 15 mph, becoming south 10 to 15 mph in the afternoon. Tonight: Mostly clear. Lows around 50. West winds 5 to 10 mph. Tuesday: Sunny. Highs in the upper 70s. Northwest winds 5 to 15 mph. Gusts up to 30 mph in the afternoon. Tuesday Night: Partly cloudy. Lows in the upper 40s. Northwest winds around 10 mph. Wednesday: Sunny. Highs around 70. Northwest winds around 10 mph. Wednesday Night: Mostly cloudy. Lows in the mid 40s. Thursday: Mostly sunny. Highs in the mid 60s. Thursday Night: Partly cloudy. Lows in the mid 40s. Friday: Mostly sunny. Highs in the upper 60s. Friday Night: Partly cloudy. Lows in the lower 50s. Saturday: Mostly sunny. Highs in the lower 70s. Saturday Night: Partly cloudy in the evening, then mostly cloudy with a slight chance of showers after midnight. Lows in the upper 40s. Chance of rain 20 percent. Sunday: Decreasing clouds. A 30 percent chance of showers. Highs in the mid 50s. | |
| Zone Forecast: Western Sioux | |
Visit your local NWS office at: https://www.weather.gov/bis |