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Costelloe Reservoir, CO Weather Forecast
Costelloe Reservoir, CO Weather Forecast Date: 1249 AM MDT Mon Aug 10 2026
The area/counties/county of: Northeast Weld County, including: Briggsdale, Grover, Pawnee Buttes, Raymer, Stoneham, Eaton, Fort Lupton, Greeley, Roggen, Brush, Fort Morgan, Goodrich, Wiggins, Bennett, Byers, Deer Trail, and Leader.or toggle through each period.
Rest of Tonight... Mostly cloudy with a 20% chance of showers. Areas of smoke. Lows in the lower to mid 60s.
Monday... Partly cloudy. Slight chance of thunderstorms in the afternoon. Highs 97 to 101. Northwest winds 10 to 15 mph with gusts up to 20 mph in the afternoon. Chance of precipitation 20%.
Monday Night... Mostly cloudy with a slight chance of thunderstorms in the evening, then partly cloudy after midnight. Lows in the lower to mid 60s. Chance of precipitation 20%.
Tuesday... Partly cloudy. Highs 98 to 102. Northwest winds 10 to 15 mph with gusts up to 20 mph.
Tuesday Night... Partly cloudy. Lows 61 to 67.
Wednesday... Mostly cloudy with a 40% chance of thunderstorms. Highs in the lower to mid 90s.
Wednesday Night... Showers likely and chance of thunderstorms. Lows in the mid 50s to lower 60s. Chance of rain 70%.
Thursday... Showers and chance of thunderstorms. Highs in the mid 70s to lower 80s.
Thursday Night... Showers and chance of thunderstorms. Lows in the lower to mid 50s.
Friday... Mostly cloudy with a 50% chance of thunderstorms. Highs near 80.
Friday Night... Showers likely and chance of thunderstorms. Lows in the lower to mid 50s. Chance of rain 70%.
Saturday... Mostly cloudy with a 50% chance of thunderstorms. Highs near 80.
Saturday Night... Showers likely and chance of thunderstorms. Lows in the lower to mid 50s. Chance of rain 70%.
POP = Probability of Precipitation
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