7-Day Forecast 40.66°N 104.88°W (Text-Only)
NWS Forecast for: 4 Miles N Black Hollow Reservoir CO
Issued by: National Weather Service Denver-Boulder, CO
Last Update: 12:46 pm MDT Aug 15, 2026




Tonight: A 40 percent chance of showers and thunderstorms, mainly before 10pm. Some of the storms could be severe. Mostly cloudy, with a low around 57. Northeast wind 5 to 8 mph becoming light and variable after midnight.

Sunday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 82. Light and variable wind becoming south southeast 5 to 9 mph in the morning. Winds could gust as high as 16 mph.

Sunday Night: Mostly clear, with a low around 54. Southeast wind 5 to 9 mph becoming north northwest after midnight. Winds could gust as high as 16 mph.

Monday: Sunny, with a high near 88. North northwest wind 5 to 8 mph becoming south southeast in the afternoon. Winds could gust as high as 16 mph.

Monday Night: Partly cloudy, with a low around 58. South southeast wind 5 to 8 mph becoming north northwest after midnight. Winds could gust as high as 15 mph.

Tuesday: Mostly sunny, with a high near 90.

Tuesday Night: A 30 percent chance of showers and thunderstorms before midnight. Mostly cloudy, with a low around 57.

Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after noon. Partly sunny, with a high near 84.

Wednesday Night: A slight chance of showers and thunderstorms before midnight. Partly cloudy, with a low around 54.

Thursday: A slight chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88.

Thursday Night: Mostly clear, with a low around 57.

Friday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89.

Friday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 58.

Saturday: A chance of showers and thunderstorms. Mostly sunny, with a high near 90.



4 Miles N Black Hollow Reservoir CO
 40.66°N 104.88°W (Elev. 5351 ft)

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