


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: 240 PM MDT Thu Sep 18 2025 | |
Tonight: Mostly clear. Lows 29 to 39. Friday: Mostly sunny in the morning, then becoming mostly cloudy. Highs 55 to 65. Friday Night: Mostly cloudy. Lows 34 to 44. Saturday: Mostly cloudy with a 30 percent chance of thunderstorms. Highs 52 to 62. West winds 10 to 15 mph with gusts up to 20 mph. Saturday Night: Partly cloudy with a 20 percent chance of thunderstorms. Lows 33 to 43. Sunday: Mostly cloudy with a 40 percent chance of thunderstorms. Highs 51 to 61. Sunday Night: Partly cloudy with a chance of rain showers and slight chance of thunderstorms. Lows 33 to 43. Chance of rain 30 percent. Monday: Mostly cloudy with a chance of thunderstorms and slight chance of snow showers. Highs 46 to 56. Chance of snow 50 percent. Monday Night: Mostly clear with a slight chance of rain and snow showers. Lows 26 to 36. Chance of precipitation 20 percent. Tuesday And Tuesday Night: Mostly clear. Highs 49 to 59. Lows 28 to 38. Wednesday And Wednesday Night: Mostly clear. Highs 55 to 65. Lows 31 to 41. Thursday: Partly cloudy. Highs 55 to 65. | |
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 |