| NWS Forecast for: North Sioux Issued by: National Weather Service Cheyenne, WY Last Update: 459 AM MST Mon Feb 16 2026 |  |
Today: Mostly sunny. Highs in the mid 60s. Southwest winds 10 to 15 mph with gusts up to 25 mph. Tonight: Partly cloudy in the evening, then clearing. Lows in the mid 30s. South winds 15 to 20 mph with gusts up to 35 mph. Tuesday: Mostly sunny and very windy. Highs in the upper 50s. Temperature falling into the lower 50s in the afternoon. Southwest winds 25 to 35 mph, becoming west 35 to 40 mph in the afternoon. Gusts up to 65 mph. Tuesday Night: Partly cloudy in the evening, then becoming mostly clear. Very windy and colder with lows in the lower 20s. West winds 25 to 35 mph with gusts up to 50 mph, diminishing to 15 to 20 mph with gusts up to 40 mph after midnight. Wednesday: Mostly sunny. Snow likely in the afternoon. Little or no snow accumulation. Cooler with highs in the mid 40s. West winds 10 to 15 mph, becoming south 15 to 20 mph in the afternoon. Chance of snow 70 percent. Wednesday Night: Snow. Light snow accumulation. Brisk, colder with lows around 10 above. Chance of snow 80 percent. Wind chill values as low as 5 below after midnight. Thursday: Mostly cloudy with a chance of snow in the morning, then partly sunny in the afternoon. Much colder with highs in the mid 20s. Chance of snow 50 percent. Wind chill values as low as 10 below in the morning. Thursday Night: Partly cloudy. Cold with lows around 5 above. Wind chill values as low as 5 below after midnight. Friday And Friday Night: Mostly cloudy. Highs in the lower 30s. Lows around 10 above. Wind chill values as low as 5 below. Saturday: Mostly sunny. Highs in the mid 30s. Wind chill values as low as zero in the morning. Saturday Night And Sunday: Mostly clear. Lows around 10 above. Highs in the lower 40s. Wind chill values as low as zero. | |
| Zone Forecast: North Sioux | |
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