| NWS Forecast for: Grand and Summit Counties Below 9000 Feet Issued by: National Weather Service Denver-Boulder, CO Last Update: 605 AM MDT Sat Sep 26 2026 | |
| Today: Partly cloudy. Highs 64 to 70. West winds 10 to 15 mph with gusts up to 20 mph in the afternoon. Tonight: Partly cloudy. Lows 31 to 41. Sunday: Partly cloudy in the morning, then becoming mostly cloudy. Highs 65 to 71. Sunday Night: Mostly cloudy. Lows 36 to 44. Monday: Mostly cloudy with a chance of rain showers and slight chance of thunderstorms. Highs 57 to 63. Chance of rain 50 percent. Monday Night: Rain showers likely and slight chance of thunderstorms. Lows 34 to 42. Chance of rain 70 percent. Tuesday: Rain showers likely and chance of thunderstorms. Highs 54 to 60. Chance of rain 60 percent. Tuesday Night: Mostly cloudy with a chance of rain showers and slight chance of thunderstorms. Lows 29 to 39. Chance of rain 30 percent. Wednesday: Partly cloudy with a 20 percent chance of thunderstorms. Highs 58 to 64. Wednesday Night: Partly cloudy with a 20 percent chance of rain showers. Lows 28 to 38. Thursday Through Friday: Mostly clear. Highs 61 to 69. Lows 28 to 38. | |
| Zone Forecast: Grand and Summit Counties Below 9000 Feet | |
Visit your local NWS office at: https://www.weather.gov/bou |