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Grass Lakes, UT Weather Forecast
Grass Lakes, UT Weather Forecast Date: 1244 PM MDT Sat Aug 22 2026
The area/counties/county of: Southern Mountains, including: Brian Head and Alton.or toggle through each period.
Tonight... Partly cloudy. A 20% chance of showers and thunderstorms in the evening. Lows in the upper 50s.
Sunday... Partly cloudy in the morning, then sunny with a 20% chance of showers and thunderstorms in the afternoon. Highs in the lower 70s.
Sunday Night... A 10% chance of showers and thunderstorms in the evening. Mostly clear. Lows in the mid 50s.
Monday... Partly cloudy in the morning, then partly sunny with a 50% chance of showers and thunderstorms in the afternoon. Highs around 70.
Monday Night... A 10% chance of showers and thunderstorms in the evening. Partly cloudy. Lows in the mid 50s.
Tuesday... Sunny in the morning, then partly cloudy with a 30% chance of showers and thunderstorms in the afternoon. Highs around 70.
Tuesday Night... Partly cloudy. Lows in the mid 50s.
Wednesday... Sunny. Highs in the lower 70s.
Wednesday Night... Partly cloudy. Lows in the mid 50s.
Thursday... Sunny. Highs in the lower 70s.
Thursday Night... Partly cloudy. Lows in the mid 50s. Highs in the lower 70s.
Friday... Partly cloudy. Lows in the mid 50s. Highs in the lower 70s.
POP = Probability of Precipitation
Grass Lakes Radar Loop
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