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Flattop Reservoir, AZ Weather Forecast
Flattop Reservoir, AZ Weather Forecast Date: 301 AM MST Fri Aug 28 2026
The area/counties/county of: Northwest Plateau, including: Colorado City, Pipe Spring National Monument, Tuweep, Mt Trumbull, and Western Grand Canyon.or toggle through each period.
Today... Partly sunny. Slight chance of thunderstorms in the morning, then chance of rain showers and slight chance of thunderstorms in the afternoon. Highs 93 to 96. South winds 5 to 10 mph shifting to the southwest 10 to 20 mph in the afternoon. Chance of precipitation 40%.
Tonight... Mostly cloudy in the evening then clearing. A 20% chance of thunderstorms. Lows around 70. South winds 5 to 15 mph.
Saturday... Mostly sunny. Highs 90 to 93. South winds 10 to 15 mph shifting to the southwest 15 to 25 mph in the afternoon.
Saturday Night... Mostly clear. Lows 66 to 69. South winds 10 to 20 mph.
Sunday... Mostly sunny. Breezy. Chance of rain showers in the afternoon. Highs 86 to 89. South winds 10 to 15 mph shifting to the southwest 15 to 25 mph in the afternoon. Chance of showers 50%.
Sunday Night... Partly cloudy with chance of rain showers. Lows 62 to 65. Chance of showers 40%.
Monday... Partly sunny with chance of rain showers. Highs 83 to 86. Chance of showers 50%.
Monday Night... Mostly clear. Lows around 60. Highs 83 to 86.
Tuesday... Mostly clear. Lows around 60. Highs 83 to 86.
Tuesday Night... Partly cloudy. Lows 60 to 63. Highs 84 to 87.
Wednesday... Partly cloudy. Lows 60 to 63. Highs 84 to 87.
POP = Probability of Precipitation
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