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Yellow Water Reservoir, MT Weather Forecast
Yellow Water Reservoir, MT Weather Forecast Date: 331 PM MDT Thu Aug 20 2026
The area/counties/county of: Petroleum, including the city of Winnett.or toggle through each period.
Tonight... Mostly clear this evening, then becoming partly cloudy. Lows in the upper 50s. Northeast wind 5 to 10 mph, becoming northwest after midnight.
Friday... Sunny. Highs in the upper 80s. North wind 5 to 10 mph, becoming northeast in the afternoon.
Friday Night... Mostly cloudy. Lows in the lower 60s. East wind around 10 mph, becoming southeast after midnight.
Saturday... Partly sunny. Highs in the lower 90s. Southeast wind 5 to 10 mph, increasing to around 15 mph in the afternoon.
Saturday Night... A slight chance of thunderstorms in the evening. Lows in the mid 60s. South wind 10 to 15 mph, Decreasing to around 5 mph after midnight. Chance of precipitation 20%.
Sunday... A chance of showers with a slight chance of thunderstorms. Hot with highs in the mid 90s.
Sunday Night... A chance of showers. Lows in the lower 60s.
Monday... Sunny. Highs in the mid 80s.
Monday Night... Partly cloudy. Lows in the upper 50s. Highs in the mid 80s.
Tuesday... Partly cloudy. Lows in the upper 50s. Highs in the mid 80s.
Wednesday... Partly cloudy. Lows in the upper 50s. Highs in the mid 80s.
POP = Probability of Precipitation
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