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Yellowtail Afterbay Reservoir, MT Weather Forecast
Yellowtail Afterbay Reservoir, MT Weather Forecast Date: 350 PM MDT Mon Aug 10 2026
The area/counties/county of: Bighorn Canyon, including the city of Fort Smith.or toggle through each period.
Tonight... Mostly clear. Areas of smoke. Lows in the lower 60s. East winds 5 to 10 mph in the evening shifting to the southwest overnight.
Tuesday... Sunny. Areas of smoke. Highs in the lower 90s. North winds 5 to 15 mph.
Tuesday Night... Increasing clouds. Areas of smoke. Lows in the lower 60s. North winds 5 to 10 mph.
Wednesday... Decreasing clouds. Highs in the mid 80s. North winds 5 to 15 mph.
Wednesday Night... Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain showers overnight. Lows in the upper 50s. Northeast winds 5 to 15 mph. Chance of precipitation 50%.
Thursday... Chance of rain showers in the morning, then rain showers likely and chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 70%.
Thursday Night... Rain showers and chance of thunderstorms in the evening, then rain showers overnight. Lows in the mid 50s. Chance of precipitation 90%.
Friday... Rain showers likely in the morning, then rain showers and chance of thunderstorms in the afternoon. Highs in the lower 70s. Chance of precipitation 80%.
Friday Night... Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening, then chance of rain showers overnight. Lows in the lower 50s. Chance of precipitation 50%.
Saturday... Partly sunny. Chance of rain showers in the morning, then chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 50%.
Saturday Night... Mostly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening. Lows in the lower 50s. Chance of precipitation 40%.
Sunday... Mostly sunny. Chance of rain showers and slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 30%.
Sunday Night... Partly cloudy. Chance of rain showers and slight chance of thunderstorms in the evening. Lows in the mid 50s. Chance of precipitation 30%.
POP = Probability of Precipitation
Yellowtail Afterbay Reservoir Radar Loop
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