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: 1058 AM MDT Sun Oct 18 2026
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This Afternoon: Mostly sunny late in the morning, then becoming partly sunny. Highs 55 to 65.

Tonight: Mostly cloudy. Slight chance of showers after midnight. Patchy fog after midnight. Lows in the 30s. Chance of rain 10 percent.

Monday: Mostly sunny. Patchy fog in the morning. Slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs 55 to 65. Chance of rain 10 percent.

Monday Night: Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly cloudy with showers likely with a slight chance of thunderstorms after midnight. Lows in the 30s. Chance of rain 60 percent.

Tuesday: Mostly cloudy with showers likely in the morning, then mostly sunny with a slight chance of showers and thunderstorms in the afternoon. Highs 55 to 65. Chance of rain 70 percent.

Tuesday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the 30s.

Wednesday: Partly sunny with a slight chance of showers and thunderstorms in the morning, then mostly cloudy with showers likely with a chance of thunderstorms in the afternoon. Highs 55 to 65. Chance of rain 60 percent.

Wednesday Night And Thursday: Showers with a chance of thunderstorms. Lows 35 to 45. Highs in the 50s.

Thursday Night: Showers with a slight chance of thunderstorms. Lows 35 to 45.

Friday: Showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs 45 to 55.

Friday Night: Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the 30s. Chance of rain 50 percent.

Saturday: Partly sunny. A chance of rain showers in the morning, then a chance of rain showers with a slight chance of thunderstorms in the afternoon. Highs 45 to 55. Chance of rain 40 percent.







Zone Forecast: San Juan River Basin

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