After a historically long wait for the winter season’s first snowfall in lower elevations of Boulder County, people in Boulder and Longmont may see their first flakes since April on Friday.

National Weather Service forecasts are calling for up to 10 inches of snow in Colorado’s northern mountains between 5 p.m. Friday and 8 a.m. Saturday, Nov. 29, according to a winter weather advisory.

Denver's weather will see fluctuation, with a sunny start, cooling midweek, and potential snow by the weekend.

Hues of red, purple, pink and green were not in the forecast for the evening, but that’s what hundreds of Coloradans witnessed anyway as the northern lights put on a show Tuesday night.

1. Summer in November: Where's the snow, Boulder County? ( coloradohometownweekly.com) — Boulder County is experiencing an unusually warm November, with no snowfall recorded by mid-month, breaking historical records. Meteorologists warn that this could lead to wildfire risks if the dry conditions persist, affecting local wildlife and residents.

Daniel Chen, Connor Martin, Zack Ball and James Barnett spent part of their Saturday in North Boulder Park. The high was 73 degrees, and the sun shone bright. The four each wore shorts and short sleeves while they played spike ball outside.

Weather around metro Denver on Wednesday is forecast to be seasonal, with some sun some clouds but calm and quiet throughout the day. The city’s big change comes Friday night as a storm system is forecast to cool things down a lot and snow is possible each weekend day.