| NWS Forecast for: Grand and Summit Counties Below 9000 Feet Issued by: National Weather Service Denver-Boulder, CO Last Update: 605 PM MDT Thu Aug 13 2026 | |
| Tonight: Mostly cloudy. Chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows 41 to 51. Chance of rain 50 percent. Friday: Partly cloudy in the morning, then mostly cloudy with a chance of thunderstorms in the afternoon. Highs 72 to 78. Chance of precipitation 50 percent. Friday Night: Mostly cloudy with a chance of thunderstorms in the evening, then partly cloudy after midnight. Lows 38 to 48. Chance of precipitation 50 percent. Saturday: Showers likely and chance of thunderstorms. Highs 68 to 74. Chance of rain 60 percent. Saturday Night: Partly cloudy with a 10 percent chance of rain showers. Lows 36 to 46. Sunday: Partly cloudy with a 10 percent chance of thunderstorms. Highs 70 to 76. Sunday Night Through Monday Night: Partly cloudy. Lows 36 to 46. Highs 71 to 77. Tuesday: Mostly cloudy with a 30 percent chance of thunderstorms. Highs 73 to 79. Tuesday Night: Mostly cloudy with a chance of showers and slight chance of thunderstorms. Lows 37 to 47. Chance of rain 30 percent. Wednesday: Mostly cloudy with a 40 percent chance of thunderstorms. Highs 73 to 79. Wednesday Night: Partly cloudy with a chance of rain showers and slight chance of thunderstorms. Lows 36 to 46. Chance of rain 30 percent. Thursday: Partly cloudy with a 40 percent chance of thunderstorms. Highs 74 to 80. | |
| Zone Forecast: Grand and Summit Counties Below 9000 Feet | |
Visit your local NWS office at: https://www.weather.gov/bou |