| NWS Forecast for: Arches/Grand Flat Issued by: National Weather Service Grand Junction, CO Last Update: 554 AM MDT Thu May 21 2026 |  |
Today: Sunny. Highs 75 to 85. West winds 10 to 15 mph with gusts up to 20 mph in the afternoon. Tonight: Mostly clear. Lows in the 40s. Gusts up to 20 mph in the evening. Friday: Partly sunny. Highs in the 70s. Friday Night: Mostly cloudy in the evening then clearing. Lows 45 to 55. Saturday: Sunny. Highs 75 to 85. Saturday Night And Sunday: Clear. Lows in the 50s. Highs 85 to 95. Sunday Night: Mostly clear. Lows in the 50s. Memorial Day: Mostly sunny. Highs 85 to 95. Monday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the 50s. Tuesday And Tuesday Night: Partly cloudy. Highs in the 80s. Lows in the 50s. Wednesday: Sunny. Highs in the 80s. | |
| Zone Forecast: Arches/Grand Flat | |
Visit your local NWS office at: https://www.weather.gov/gjt |