| NWS Forecast for: Grand and Summit Counties Below 9000 Feet Issued by: National Weather Service Denver-Boulder, CO Last Update: 605 AM MDT Sat Jul 25 2026 | |
| Today: Mostly sunny in the morning, then mostly cloudy with a slight chance of thunderstorms early in the afternoon. Mostly cloudy with a chance of thunderstorms late in the afternoon. Highs 82 to 88. Chance of precipitation 30 percent. Tonight: Mostly cloudy with a chance of thunderstorms in the evening, then partly cloudy after midnight. Lows 47 to 55. Chance of precipitation 30 percent. Sunday: Partly cloudy in the morning, then mostly cloudy with a chance of thunderstorms in the afternoon. Highs 82 to 88. Chance of precipitation 30 percent. Sunday Night: Mostly cloudy with a 30 percent chance of thunderstorms. Lows 47 to 55. Monday: Showers and chance of thunderstorms. Highs 80 to 86. Monday Night: Mostly cloudy with a 50 percent chance of thunderstorms. Lows 46 to 54. Tuesday: Thunderstorms likely. Highs 79 to 85. Chance of precipitation 70 percent. Tuesday Night: Mostly cloudy with a 40 percent chance of thunderstorms. Lows 44 to 54. Wednesday: Thunderstorms likely. Highs 78 to 84. Chance of precipitation 60 percent. Wednesday Night: Mostly cloudy with a 30 percent chance of thunderstorms. Lows 44 to 54. Thursday: Partly cloudy with a 40 percent chance of thunderstorms. Highs 78 to 84. Thursday Night: Mostly cloudy with a 30 percent chance of thunderstorms. Lows 44 to 54. Friday: Partly cloudy with a 30 percent chance of thunderstorms. Highs 79 to 85. | |
| Zone Forecast: Grand and Summit Counties Below 9000 Feet | |
Visit your local NWS office at: https://www.weather.gov/bou |