7-Day Zone Forecast for Grand and Summit Counties Below 9000 Feet (Text-Only)
NWS Forecast for: Grand and Summit Counties Below 9000 Feet
Issued by: National Weather Service Denver-Boulder, CO
Last Update: 605 PM MDT Thu Aug 6 2026




Tonight: Mostly clear. Areas of smoke. Lows 38 to 48.

Friday: Mostly sunny. Areas of smoke. Highs 83 to 89. Northwest winds 10 to 15 mph with gusts up to 20 mph in the afternoon.

Friday Night: Mostly clear. Lows 43 to 51.

Saturday: Mostly sunny. Highs 82 to 88.

Saturday Night: Partly cloudy. Lows 45 to 53.

Sunday: Partly cloudy. Highs 81 to 87.

Sunday Night: Mostly cloudy. Lows 44 to 52.

Monday: Mostly cloudy with a 30 percent chance of thunderstorms. Highs 80 to 86.

Monday Night: Mostly cloudy with a 20 percent chance of thunderstorms. Lows 43 to 51.

Tuesday: Partly cloudy with a 40 percent chance of thunderstorms. Highs 78 to 84.

Tuesday Night: Mostly cloudy with a 20 percent chance of thunderstorms. Lows 43 to 51.

Wednesday: Mostly cloudy with a 50 percent chance of thunderstorms. Highs 76 to 82.

Wednesday Night: Mostly cloudy with a 30 percent chance of thunderstorms. Lows 40 to 50.

Thursday: Thunderstorms likely. Highs 74 to 80. Chance of precipitation 60 percent.







Zone Forecast: Grand and Summit Counties Below 9000 Feet

Visit your local NWS office at: https://www.weather.gov/bou