| 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 17 2026 | |
| Today: Partly cloudy. Slight chance of thunderstorms in the afternoon. Highs 80 to 86. Chance of precipitation 20 percent. Tonight: Partly cloudy. Lows 44 to 52. Southeast winds 10 to 15 mph with gusts up to 20 mph in the evening, becoming light. Saturday: Mostly sunny. Slight chance of thunderstorms in the afternoon. Highs 81 to 87. Chance of precipitation 20 percent. Saturday Night: Partly cloudy. Lows 45 to 53. Sunday: Partly cloudy with a 50 percent chance of thunderstorms. Highs 80 to 86. Sunday Night: Partly cloudy with a 30 percent chance of thunderstorms. Lows 45 to 55. Monday: Thunderstorms likely. Highs 80 to 86. Chance of precipitation 70 percent. Monday Night: Mostly cloudy with a 50 percent chance of thunderstorms. Lows 43 to 53. Tuesday: Thunderstorms likely. Highs 78 to 84. Chance of precipitation 70 percent. Tuesday Night: Showers likely and chance of thunderstorms. Lows 42 to 52. Chance of rain 70 percent. Wednesday: Showers with thunderstorms likely. Highs 74 to 80. Wednesday Night: Showers likely and chance of thunderstorms. Lows 42 to 52. Chance of rain 70 percent. Thursday: Showers with thunderstorms likely. Highs 71 to 77. | |
| Zone Forecast: Grand and Summit Counties Below 9000 Feet | |
Visit your local NWS office at: https://www.weather.gov/bou |