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Grass Flat Reservoir, UT Weather Forecast
Grass Flat Reservoir, UT Weather Forecast Date: 549 AM MDT Tue Sep 29 2026
The area/counties/county of: Central Mountains, including: Cove Fort, Fish Lake, and Joes Valley.or toggle through each period.
Today... Mostly cloudy with a 20% chance of showers and thunderstorms. Some thunderstorms May produce heavy rainfall. Highs in the mid 50s.
Tonight... Mostly cloudy. Lows around 40.
Wednesday... Partly cloudy in the morning then clearing. Highs around 60.
Wednesday Night... Mostly clear. Lows around 40.
Thursday... Sunny. Highs in the mid 60s.
Thursday Night... Clear. Lows in the lower 40s.
Friday... Sunny. Highs in the upper 60s.
Friday Night... Mostly clear. Lows in the mid 40s. Highs in the upper 60s.
Saturday... Mostly clear. Lows in the mid 40s. Highs in the upper 60s.
Saturday Night... Clear. Lows in the mid 40s.
Sunday... Mostly clear. Highs in the mid 60s. Lows in the mid 40s.
POP = Probability of Precipitation
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