Thu Feb 20 04:13:59 AM EST 2025 Boulder And Jefferson Counties Below 6000 Feet/West Broomfield County- Including Arvada, Boulder, Golden, Lakewood, and Longmont 213 AM MST Thu Feb 20 2025 .TODAY...Mostly cloudy. Patchy fog early in the morning. Slight chance of snow showers early in the afternoon. Chance of snow showers late in the afternoon. Highs 28 to 34. Chance of snow 30 percent. .TONIGHT...Snow likely. Snow accumulation of 4 to 6 inches. Lows 18 to 22. Chance of snow 70 percent. .FRIDAY...Mostly cloudy with a slight chance of snow in the morning, then mostly sunny in the afternoon. Highs in the lower 40s. Chance of snow 20 percent. .FRIDAY NIGHT...Mostly clear. Lows 18 to 24. .SATURDAY...Mostly sunny. Highs near 50. .SATURDAY NIGHT AND SUNDAY...Partly cloudy. Lows in the mid 20s to lower 30s. Highs in the mid 50s to lower 60s. .SUNDAY NIGHT THROUGH TUESDAY...Partly cloudy. Lows 33 to 38. Highs 60 to 65. .TUESDAY NIGHT...Partly cloudy with a slight chance of rain and snow. Lows in the lower to mid 30s. Chance of precipitation 10 percent. .WEDNESDAY...Partly cloudy. Highs in the mid 50s.