Areas of Severe Thunderstorms and Excessive Rainfall Sunday
Scattered strong to severe thunderstorms may pose a risk for damaging wind gusts over the Carolinas, southeast Virginia, and the Tennessee Valley Sunday afternoon then the northern Plains from late afternoon into Sunday night. Monsoonal thunderstorms may cause locally considerable flash, urban, and small stream flooding in the Southwest U.S. the next few days. Read More >
| NWS Forecast for: Larimer and Boulder Counties Between 6000 and 9000 Feet Issued by: National Weather Service Denver-Boulder, CO Last Update: 605 PM MDT Sat Jul 18 2026 | |
Tonight: Mostly clear. Lows 52 to 62. Sunday: Mostly sunny. Slight chance of thunderstorms in the afternoon. Highs 81 to 91. Chance of precipitation 10 percent. Sunday Night: Partly cloudy. Slight chance of thunderstorms in the evening. Lows 55 to 65. Chance of precipitation 20 percent. Monday: Partly cloudy with a 40 percent chance of thunderstorms. Highs 82 to 92. Monday Night: Mostly cloudy with a 20 percent chance of thunderstorms. Lows 54 to 64. Tuesday: Thunderstorms likely. Highs 77 to 87. Chance of precipitation 60 percent. Tuesday Night: Mostly cloudy with a 50 percent chance of thunderstorms. Lows 52 to 62. Wednesday: Thunderstorms likely. Highs 77 to 87. Chance of precipitation 70 percent. Wednesday Night: Showers likely and chance of thunderstorms. Lows 52 to 62. Chance of rain 60 percent. Thursday: Showers with thunderstorms likely. Highs 74 to 84. Thursday Night: Mostly cloudy with a 50 percent chance of thunderstorms. Lows 51 to 61. Friday: Thunderstorms likely. Highs 74 to 84. Chance of precipitation 60 percent. Friday Night: Partly cloudy with a 30 percent chance of thunderstorms. Lows 52 to 62. Saturday: Thunderstorms likely. Highs 77 to 87. Chance of precipitation 60 percent. | |
| Zone Forecast: Larimer and Boulder Counties Between 6000 and 9000 Feet | |
Visit your local NWS office at: https://www.weather.gov/bou |