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First Water, UT Weather Forecast
First Water, UT Weather Forecast Date: 232 PM MDT Tue Sep 08 2026
The area/counties/county of: Southern Mountains, including: Brian Head and Alton.or toggle through each period.
Tonight... Mostly clear. Lows around 50.
Wednesday... Sunny. Highs around 70.
Wednesday Night... Mostly clear. Lows around 50.
Thursday... Sunny. Highs around 70.
Thursday Night... Mostly clear. Lows in the mid 50s.
Friday... Partly cloudy with a chance of rain showers in the morning, then partly sunny with rain showers likely and a chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of precipitation 60%.
Friday Night... Partly cloudy. A chance of rain showers in the evening. Lows in the lower 50s. Chance of showers 30%.
Saturday... Partly cloudy in the morning then becoming sunny. Highs in the mid 60s.
Saturday Night... Mostly clear. Lows in the mid 40s. Highs in the lower 60s.
Sunday... Mostly clear. Lows in the mid 40s. Highs in the lower 60s.
Monday... Mostly clear. Lows in the mid 40s. Highs in the lower 60s.
POP = Probability of Precipitation
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