| NWS Forecast for: San Juan River Basin Issued by: National Weather Service Grand Junction, CO Last Update: 943 PM MDT Sun Aug 30 2026 |  |
Tonight: Mostly cloudy with a 20 percent chance of showers. Lows in the 40s. Monday: Mostly cloudy. Slight chance of showers in the morning, then showers and thunderstorms likely in the afternoon. Some thunderstorms will produce heavy rainfall in the afternoon. Highs in the 70s. Chance of rain 60 percent. Monday Night: Showers with a chance of thunderstorms in the evening, then showers likely after midnight. Some thunderstorms will produce heavy rainfall in the evening. Lows in the 40s. Tuesday: Sunny. Highs 75 to 85. Southwest winds 10 to 15 mph with gusts up to 20 mph in the afternoon. Tuesday Night: Mostly clear. Lows 35 to 45. Wednesday Through Thursday: Mostly clear. Highs 75 to 85. Lows 35 to 45. Thursday Night: Partly cloudy. Lows in the 40s. Friday: Mostly sunny with a slight chance of showers in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs 75 to 85. Chance of rain 30 percent. Friday Night: Mostly cloudy. Slight chance of showers and thunderstorms in the evening. Lows in the 40s. Chance of rain 20 percent. Saturday: Mostly sunny in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs 75 to 85. Chance of rain 40 percent. Saturday Night: Mostly cloudy. A chance of showers and thunderstorms in the evening, then a chance of showers after midnight. Lows in the 40s. Chance of rain 30 percent. Sunday: Mostly sunny with a slight chance of showers and thunderstorms in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs 75 to 85. Chance of rain 40 percent. | |
| Zone Forecast: San Juan River Basin | |
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