| NWS Forecast for: San Bernardino County-Upper Colorado River Valley Issued by: National Weather Service Las Vegas, NV Last Update: 1130 AM PDT Thu May 21 2026 |  |
| Rest Of Today: Sunny. Highs 93 to 96. South winds 5 to 10 mph. Tonight: Clear. Lows 65 to 68. South winds up to 10 mph. Friday: Sunny. Highs 95 to 98. South winds 5 to 15 mph. Friday Night: Mostly clear. Lows around 70. South winds 5 to 15 mph. Saturday: Sunny. Highs 95 to 98. South winds 5 to 15 mph. Saturday Night Through Tuesday Night: Clear, breezy. Lows around 70. Highs 95 to 98. Wednesday: Sunny. Highs 89 to 92. | |
| Zone Forecast: San Bernardino County-Upper Colorado River Valley | |
Visit your local NWS office at: https://www.weather.gov/vef |