7-Day Zone Forecast for San Juan River Basin (Text-Only)
NWS Forecast for: San Juan River Basin
Issued by: National Weather Service Grand Junction, CO
Last Update: 1053 PM MDT Sat Sep 19 2026
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Overnight: Mostly clear. Lows in the 30s.

Sunday: Sunny. Highs in the 70s. Southwest winds 10 to 15 mph with gusts up to 20 mph in the afternoon.

Sunday Night: Mostly clear. Lows in the 30s.

Monday: Mostly sunny in the morning, then becoming partly sunny. Highs 65 to 75. Southwest winds 10 to 15 mph in the afternoon.

Monday Night: Partly cloudy. Lows in the 30s.

Tuesday: Partly sunny with a chance of showers with a slight chance of thunderstorms in the morning, then mostly cloudy with showers likely with a chance of thunderstorms in the afternoon. Highs 65 to 75. Chance of rain 70 percent.

Tuesday Night: Showers with a chance of thunderstorms in the evening, then showers with a slight chance of thunderstorms after midnight. Lows 35 to 45.

Wednesday: Mostly cloudy. Showers likely with a slight chance of thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the 60s. Chance of rain 60 percent.

Wednesday Night: Mostly cloudy. Slight chance of showers and thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the 30s. Chance of rain 20 percent.

Thursday: Partly sunny. Slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs 65 to 75. Chance of rain 40 percent.

Thursday Night And Friday: Showers likely with a chance of thunderstorms. Lows 35 to 45. Highs in the 60s. Chance of rain 70 percent.

Friday Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then showers likely after midnight. Lows 35 to 45. Chance of rain 60 percent.

Saturday: Partly sunny. A chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Highs 65 to 75. Chance of rain 50 percent.







Zone Forecast: San Juan River Basin

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