| NWS Forecast for: Grand and Summit Counties Below 9000 Feet Issued by: National Weather Service Denver-Boulder, CO Last Update: 605 AM MDT Fri Sep 18 2026 | |
| Today: Slight chance of showers in the morning, then showers likely and chance of thunderstorms in the afternoon. Highs in the mid to upper 60s. Chance of rain 60 percent. Tonight: Mostly cloudy with a chance of rain showers and slight chance of thunderstorms in the evening, then partly cloudy with a slight chance of rain showers after midnight. Lows 33 to 43. Chance of rain 30 percent. Saturday: Mostly cloudy. Chance of rain showers in the morning, then a chance of thunderstorms in the afternoon. Highs 61 to 67. Southwest winds 10 to 15 mph in the afternoon. Chance of rain 50 percent. Saturday Night: Mostly cloudy with a chance of rain showers and slight chance of thunderstorms. Lows 30 to 40. Chance of rain 30 percent. Sunday: Mostly cloudy with a chance of rain showers and slight chance of thunderstorms. Highs 57 to 63. West winds 10 to 15 mph with gusts up to 30 mph. Chance of rain 50 percent. Sunday Night Through Monday Night: Mostly clear. Lows 28 to 38. Highs 62 to 68. Tuesday: Partly cloudy with a 20 percent chance of thunderstorms. Highs 64 to 70. Tuesday Night: Partly cloudy with a chance of rain showers and slight chance of thunderstorms. Lows 30 to 40. Chance of rain 30 percent. Wednesday: Partly cloudy with a 20 percent chance of thunderstorms. Highs 63 to 69. Wednesday Night And Thursday: Partly cloudy. Lows 30 to 40. Highs 65 to 71. | |
| Zone Forecast: Grand and Summit Counties Below 9000 Feet | |
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