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Fontenelle, WY Weather Forecast
Fontenelle, WY Weather Forecast Date: 1017 AM MDT Wed Aug 26 2026
The area/counties/county of: Upper Green River Basin, including the cities of: La Barge, Big Piney, and Farson.or toggle through each period.
Today... Mostly sunny this morning, then partly cloudy with a chance of showers and thunderstorms this afternoon. Highs around 80. West winds 10 to 15 mph with gusts up to 30 mph this afternoon. Chance of rain 30%.
Tonight... Partly cloudy in the evening, then clearing. Lows around 50. Southwest winds 10 to 15 mph in the evening.
Thursday... Mostly sunny in the morning, then partly cloudy with a chance of showers with a slight chance of thunderstorms in the afternoon. Breezy with highs in the lower 80s. Southwest winds 15 to 20 mph with gusts up to 30 mph in the afternoon. Chance of rain 30%.
Thursday Night... Partly cloudy. Lows around 50. Northwest winds 10 to 15 mph with gusts up to 25 mph in the evening.
Friday... Mostly cloudy. A chance of showers and thunderstorms in the afternoon. Breezy with highs in the upper 70s. Southwest winds 15 to 20 mph with gusts up to 35 mph in the afternoon. Chance of rain 30%.
Friday Night... Cloudy with a slight chance of thunderstorms. A chance of showers after midnight. Lows around 50. Chance of rain 30%.
Saturday... Mostly cloudy. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Breezy with highs in the lower 70s. Chance of rain 60%.
Saturday Night... A slight chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the lower 40s. Chance of rain 30%.
Sunday... Partly cloudy in the morning, then clearing. A chance of showers. A slight chance of thunderstorms in the afternoon. Highs around 70. Chance of rain 30%.
Sunday Night... Partly cloudy. Lows around 40.
Monday... Partly cloudy in the morning, then mostly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the lower 70s. Chance of rain 30%.
Monday Night... A slight chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the lower 40s. Chance of rain 30%.
POP = Probability of Precipitation
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