| NWS Forecast for: South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet Issued by: National Weather Service Denver-Boulder, CO Last Update: 605 PM MDT Sun May 31 2026 | |
| Tonight: Mostly clear. Lows 31 to 39. West winds 10 to 15 mph with gusts up to 30 mph in the evening, becoming light. Monday: Partly cloudy. Chance of thunderstorms in the afternoon. Highs 57 to 67. Southwest winds 10 to 15 mph in the afternoon. Chance of precipitation 40 percent. Monday Night: Partly cloudy. Lows 34 to 42. Tuesday: Partly cloudy with a chance of rain showers and slight chance of thunderstorms. Highs 61 to 71. Chance of rain 40 percent. Tuesday Night: Partly cloudy. Lows 36 to 44. Wednesday: Partly cloudy with a 50 percent chance of thunderstorms. Highs 61 to 71. Wednesday Night: Partly cloudy with a 20 percent chance of rain showers. Lows 36 to 44. Thursday: Partly cloudy with a 40 percent chance of thunderstorms. Highs 61 to 71. Thursday Night: Partly cloudy with a 10 percent chance of rain showers. Lows 37 to 45. Friday: Partly cloudy with a 20 percent chance of thunderstorms. Highs 62 to 72. Friday Night: Partly cloudy. Lows 37 to 45. Saturday: Mostly sunny with a 10 percent chance of thunderstorms. Highs 63 to 73. Saturday Night: Partly cloudy. Lows 37 to 47. Sunday: Partly cloudy with a 20 percent chance of thunderstorms. Highs 63 to 73. | |
| Zone Forecast: South and East Jackson/Larimer/North and Northeast Grand/Northwest Boulder Counties Above 9000 Feet | |
Visit your local NWS office at: https://www.weather.gov/bou |