Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region
Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas Read More >
| NWS Forecast for: Northwestern San Juan Mountains Issued by: National Weather Service Grand Junction, CO Last Update: 545 AM MDT Wed Jul 29 2026 | |
| Today: Partly sunny with a chance of showers with a slight chance of thunderstorms in the morning, then mostly cloudy with showers with thunderstorms likely in the afternoon. Highs in the 70s. Tonight: Mostly cloudy with a chance of showers and thunderstorms in the evening, then mostly clear after midnight. Lows in the 40s. Chance of rain 50 percent. Thursday: Mostly sunny. Slight chance of showers and thunderstorms in the afternoon. Highs in the 70s. Chance of rain 20 percent. Thursday Night: Mostly clear. Lows in the 40s. Friday: Sunny. Highs in the 80s. Friday Night Through Saturday Night: Mostly clear. Lows in the 40s. Highs in the 80s. Sunday: Sunny. Slight chance of showers and thunderstorms in the afternoon. Highs in the 80s. Chance of rain 10 percent. Sunday Night: Partly cloudy. Lows 45 to 55. Monday: Sunny. Slight chance of showers and thunderstorms in the afternoon. Highs in the 80s. Chance of rain 20 percent. Monday Night: Mostly cloudy with a slight chance of showers in the evening, then partly cloudy after midnight. Lows in the 40s. Chance of rain 10 percent. Tuesday: Sunny in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the 80s. Chance of rain 50 percent. | |
| Zone Forecast: Northwestern San Juan Mountains | |
Visit your local NWS office at: https://www.weather.gov/gjt |