| NWS Forecast for: Grand and Summit Counties Below 9000 Feet Issued by: National Weather Service Denver-Boulder, CO Last Update: 605 AM MDT Fri Jul 31 2026 | |
| Today: Partly cloudy. Slight chance of thunderstorms early in the afternoon. Chance of thunderstorms late in the afternoon. Highs 77 to 83. Chance of precipitation 30 percent. Tonight: Mostly clear. Lows 38 to 48. Saturday: Mostly sunny. Highs 80 to 86. Saturday Night: Mostly clear. Lows 43 to 49. Sunday: Mostly sunny. Highs 84 to 92. Sunday Night And Monday: Mostly clear. Lows 48 to 56. Highs 83 to 91. Monday Night: Partly cloudy with a 10 percent chance of thunderstorms. Lows 43 to 53. Tuesday: Partly cloudy with a 20 percent chance of thunderstorms. Highs 81 to 89. Tuesday Night: Partly cloudy. Lows 42 to 50. Wednesday Through Thursday: Mostly clear. Highs 82 to 89. Lows 44 to 52. | |
| Zone Forecast: Grand and Summit Counties Below 9000 Feet | |
Visit your local NWS office at: https://www.weather.gov/bou |