| NWS Forecast for: Banner County Issued by: National Weather Service Cheyenne, WY Last Update: 1233 PM MDT Sat Sep 12 2026 |  |
| This Afternoon: Mostly sunny with a 20 percent chance of showers. Not as warm with highs in the mid 70s. South winds 15 to 20 mph with gusts up to 30 mph. Tonight: Partly cloudy. A slight chance of showers in the evening. Breezy with lows in the upper 50s. South winds 15 to 25 mph with gusts up to 35 mph. Chance of rain 20 percent. Sunday: Sunny. A chance of showers in the afternoon. Warmer with highs in the mid 80s. Northwest winds 10 to 15 mph with gusts up to 25 mph, becoming east 15 to 20 mph with gusts up to 35 mph in the afternoon. Chance of rain 40 percent. Sunday Night: Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers. Breezy with lows in the upper 50s. Southeast winds 15 to 25 mph with gusts up to 40 mph. Chance of rain 50 percent. Monday: Mostly cloudy in the morning, then becoming mostly sunny. Breezy, hot with highs in the mid 80s. Southwest winds 20 to 25 mph, becoming northwest 15 to 25 mph in the afternoon. Monday Night And Tuesday: Partly cloudy. Lows in the upper 40s. Highs in the lower 70s. Tuesday Night: Partly cloudy. A chance of showers in the evening. Lows in the lower 50s. Chance of rain 30 percent. Wednesday: Partly sunny in the morning, then clearing. Highs around 80. Wednesday Night: Partly cloudy in the evening, then becoming mostly cloudy. A chance of thunderstorms in the evening. A chance of showers. Lows in the lower 50s. Chance of rain 50 percent. Thursday: Partly sunny with a chance of showers. Highs in the lower 70s. Chance of rain 50 percent. Thursday Night: Partly cloudy. A chance of showers in the evening. Lows in the lower 50s. Chance of rain 40 percent. Friday: Mostly sunny. Highs in the mid 70s. | |
| Zone Forecast: Banner County | |
Visit your local NWS office at: https://www.weather.gov/cys |