| NWS Forecast for: Shirley Basin Issued by: National Weather Service Cheyenne, WY Last Update: 1222 AM MDT Wed Sep 9 2026 | |
Rest Of Tonight: Mostly clear. Lows in the lower 40s. Northwest winds 5 to 10 mph with gusts up to 20 mph. Wednesday: Sunny. Highs in the mid 70s. West winds 5 to 10 mph, increasing to 15 to 20 mph with gusts up to 30 mph in the afternoon. Wednesday Night: Mostly clear. Lows in the lower 40s. West winds 10 to 15 mph with gusts up to 30 mph, becoming southwest around 5 mph after midnight. Thursday: Sunny, breezy with highs in the upper 70s. West winds 15 to 25 mph. Gusts up to 40 mph in the afternoon. Thursday Night: Mostly clear in the evening, then becoming partly cloudy. Breezy with lows around 50. West winds 20 to 25 mph with gusts up to 35 mph, becoming southwest 5 to 10 mph after midnight. Friday And Friday Night: Partly cloudy and breezy. Highs in the upper 70s. Lows in the mid 40s. Saturday: Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 50 percent. Saturday Night: Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the upper 40s. Chance of rain 70 percent. Sunday: Mostly sunny. A chance of showers in the afternoon. Breezy with highs in the lower 70s. Chance of rain 30 percent. Sunday Night: Partly cloudy. A chance of showers in the evening. Lows in the upper 30s. Chance of rain 40 percent. Monday And Monday Night: Mostly clear and windy. Highs in the mid 60s. Lows in the upper 30s. Tuesday: Sunny. Highs in the lower 70s. | |
| Zone Forecast: Shirley Basin | |
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