| NWS Forecast for: Arches/Grand Flat Issued by: National Weather Service Grand Junction, CO Last Update: 808 AM MDT Wed Jul 8 2026 | |
| Today: Sunny. Highs around 103. West winds 10 to 15 mph with gusts up to 20 mph in the afternoon. Tonight: Partly cloudy. Lows 65 to 75. Gusts up to 20 mph in the evening. Thursday: Sunny. Highs around 100. Gusts up to 20 mph in the afternoon. Thursday Night: Mostly clear. Lows 65 to 75. Friday: Sunny. Highs around 103. Friday Night And Saturday: Clear. Lows 65 to 75. Highs around 107. Saturday Night And Sunday: Mostly clear. Lows 65 to 75. Highs around 107. Sunday Night: Partly cloudy. Lows in the 70s. Monday: Sunny. Slight chance of showers in the afternoon. Highs around 105. Chance of rain 10 percent. Monday Night: Partly cloudy. Lows in the 70s. Tuesday: Sunny. Highs around 103. | |
| Zone Forecast: Arches/Grand Flat | |
Visit your local NWS office at: https://www.weather.gov/gjt |