| NWS Forecast for: Riverside County Mountains Issued by: National Weather Service San Diego, CA Last Update: 1214 AM PDT Sun Sep 6 2026 |  |
| Today: Cloudy this morning...becoming mostly cloudy. A chance of showers. A slight chance of thunderstorms this afternoon. Highs 70 to 80. Areas of winds west 10 to 15 mph with gusts to 25 mph. Chance of measurable precipitation 50 percent. Tonight: Partly cloudy with a slight chance of showers in the evening, then mostly cloudy overnight. Lows 53 to 63. Areas of winds west 10 to 15 mph. Gusts to 25 mph overnight. Chance of measurable precipitation 20 percent. Labor Day: Partly cloudy in the morning...becoming mostly sunny. Warmer. Highs 78 to 88. Areas of winds west 10 to 20 mph. Gusts to 25 mph...becoming 30 mph in the afternoon. Monday Night: Mostly clear. Lows 55 to 65. Areas of winds west 10 to 15 mph. Gusts to 25 mph in the evening. Tuesday: Mostly sunny in the morning, then partly cloudy with a slight chance of showers in the afternoon. Highs 81 to 91. Areas of winds west to 10 mph. Chance of measurable precipitation 20 percent. Tuesday Night: Partly cloudy with a slight chance of showers in the evening, then mostly clear overnight. Lows 58 to 68. Wednesday: Partly cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs 81 to 91. Wednesday Night: Partly cloudy in the evening...becoming mostly clear. Lows 58 to 68. Thursday: Mostly sunny in the morning, then partly cloudy with a chance of showers and a slight chance of thunderstorms in the afternoon. Highs 82 to 92. Thursday Night: Mostly clear. Lows 56 to 66. Friday: Mostly sunny. Highs 82 to 92. Friday Night: Mostly clear. Lows 53 to 63. Saturday: Sunny. Highs 79 to 89. | |
| Zone Forecast: Riverside County Mountains | |
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