| 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 10 2026 | |
| Today: Mostly sunny. Slight chance of thunderstorms late in the afternoon. Highs 76 to 82. Chance of precipitation 10 percent. Tonight: Mostly clear. Lows 39 to 47. Saturday: Mostly sunny. Highs 81 to 87. Northwest winds 10 to 15 mph in the afternoon. Saturday Night: Mostly clear. Lows 40 to 50. Sunday: Mostly sunny. Highs 82 to 90. Sunday Night Through Tuesday Night: Mostly clear. Lows 43 to 52. Highs 85 to 91. Wednesday: Mostly sunny with a 20 percent chance of thunderstorms. Highs 84 to 90. Wednesday Night: Partly cloudy with a 20 percent chance of thunderstorms. Lows 44 to 52. Thursday: Partly cloudy with a 40 percent chance of thunderstorms. Highs 82 to 88. | |
| Zone Forecast: Grand and Summit Counties Below 9000 Feet | |
Visit your local NWS office at: https://www.weather.gov/bou |