


NWS Forecast for: North Bighorn Basin Issued by: National Weather Service Riverton, WY Last Update: 621 PM MDT Sat Jun 14 2025 | ![]() |
Tonight: Partly cloudy with a chance of showers with a slight chance of thunderstorms this evening, then mostly clear after midnight. Some thunderstorms may be severe. Lows in the mid 50s. North winds 10 to 15 mph with gusts up to 25 mph, becoming southwest after midnight. Chance of rain 30 percent. Sunday: Mostly sunny in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Some thunderstorms may be severe. Breezy with highs around 90. Northwest winds around 10 mph, increasing to northeast 20 to 25 mph with gusts up to 40 mph in the afternoon. Chance of rain 30 percent. Sunday Night: Partly cloudy and breezy. Lows in the mid 50s. Northwest winds 15 to 25 mph. Gusts up to 40 mph after midnight. Monday: Mostly cloudy. A chance of showers and thunderstorms in the afternoon. Highs around 80. Northwest winds 10 to 15 mph. Chance of rain 40 percent. Monday Night: Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 50s. North winds 10 to 15 mph. Chance of rain 60 percent. Tuesday: Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly cloudy with showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of rain 60 percent. Tuesday Night: Partly cloudy in the evening, then clearing. Lows in the lower 50s. Wednesday: Sunny. Highs in the lower 80s. Wednesday Night: Clear. Lows in the mid 50s. Juneteenth: Mostly sunny. Highs around 90. Thursday Night: Partly cloudy in the evening, then clearing. Lows around 60. Friday: Mostly sunny. Highs around 90. Friday Night: Clear. Lows in the mid 50s. Saturday: Sunny. Highs in the mid 80s. | |
Zone Forecast: North Bighorn Basin | |
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