| NWS Forecast for: Grand and Summit Counties Below 9000 Feet Issued by: National Weather Service Denver-Boulder, CO Last Update: 605 AM MDT Tue Jul 28 2026 |  |
| Today: Partly cloudy in the morning. Patchy fog early in the morning. Slight chance of thunderstorms in the morning, then showers likely and chance of thunderstorms in the afternoon. Highs 77 to 83. Chance of rain 60 percent. Tonight: Mostly cloudy with a chance of thunderstorms in the evening, then partly cloudy after midnight. Lows 45 to 53. Chance of precipitation 50 percent. Wednesday: Partly cloudy in the morning, then thunderstorms likely in the afternoon. Highs 78 to 84. Chance of precipitation 70 percent. Wednesday Night: Mostly cloudy with a 40 percent chance of thunderstorms. Lows 44 to 52. Thursday: Partly cloudy with a 20 percent chance of thunderstorms. Highs 77 to 83. Thursday Night Through Sunday: Mostly clear. Lows 44 to 53. Highs 81 to 90. Sunday Night: Partly cloudy. Lows 47 to 55. Monday: Partly cloudy with a 20 percent chance of thunderstorms. Highs 83 to 89. | |
| Zone Forecast: Grand and Summit Counties Below 9000 Feet | |
Visit your local NWS office at: https://www.weather.gov/bou |