| NWS Forecast for: Grand and Summit Counties Below 9000 Feet Issued by: National Weather Service Denver-Boulder, CO Last Update: 1248 AM MDT Sat Aug 8 2026 | |
Rest Of Tonight: Mostly clear. Areas of smoke. Lows 39 to 49. Saturday: Partly cloudy. Highs 83 to 89. Northwest winds 10 to 20 mph with gusts up to 30 mph in the afternoon. Saturday Night: Mostly cloudy in the evening, then becoming partly cloudy. Lows 46 to 54. Sunday: Partly cloudy. Highs 81 to 87. Sunday Night: Mostly cloudy. Lows 45 to 53. Monday: Mostly cloudy with a 30 percent chance of thunderstorms. Highs 79 to 85. Monday Night: Mostly cloudy with a chance of showers and slight chance of thunderstorms. Lows 41 to 51. Chance of rain 30 percent. Tuesday: Partly cloudy with a 20 percent chance of thunderstorms. Highs 78 to 84. Tuesday Night: Mostly cloudy with a 20 percent chance of thunderstorms. Lows 42 to 52. Wednesday And Wednesday Night: Mostly cloudy with a 40 percent chance of thunderstorms. Highs 76 to 82. Lows 40 to 50. Thursday: Showers likely and chance of thunderstorms. Highs 70 to 76. Chance of rain 70 percent. Thursday Night: Showers likely and chance of thunderstorms. Lows 38 to 48. Chance of rain 60 percent. Friday: Thunderstorms likely. Highs 68 to 74. Chance of precipitation 70 percent. | |
| Zone Forecast: Grand and Summit Counties Below 9000 Feet | |
Visit your local NWS office at: https://www.weather.gov/bou |