| NWS Forecast for: Arches/Grand Flat Issued by: National Weather Service Grand Junction, CO Last Update: 456 AM MDT Sun Aug 23 2026 |  |
| Today: Mostly sunny. Highs around 100. Southwest winds 10 to 15 mph with gusts up to 20 mph in the afternoon. Tonight: Partly cloudy. Lows 65 to 75. Monday: Sunny. Highs 95 to 100. Monday Night: Partly cloudy. Lows 65 to 75. Tuesday: Sunny. Highs around 100. Tuesday Night And Wednesday: Mostly clear. Lows in the 60s. Highs around 100. Wednesday Night: Partly cloudy. Lows in the 60s. Thursday And Thursday Night: Mostly clear. Highs around 100. Lows 65 to 75. Friday And Friday Night: Partly cloudy. Highs around 100. Lows 65 to 75. Saturday: Sunny. Highs around 100. | |
| Zone Forecast: Arches/Grand Flat | |
Visit your local NWS office at: https://www.weather.gov/gjt |