COLORADO, WYOMING, NEBRASKA — A fast-moving cold front is sweeping across the central Rockies and High Plains, bringing a sharp drop in temperatures, shifting winds, and increasing concerns about smoke and low clouds across multiple states.
This system is creating a strong temperature contrast, with warmer air lingering in southern areas while colder air rapidly pushes south and east.
Cold air arrives in two waves across the region
The first wave of colder air has already moved through:
Northern Colorado
Southeast Wyoming, including Torrington
Western Nebraska, including Alliance
This initial surge is marked by winds turning to the northeast, signaling colder air behind the front.
A second, stronger push of cold air is expected to follow, intensifying the temperature drop and expanding colder conditions further across Colorado and nearby states.
Temperatures fall from 60s into 40s and 30s
As the front moves through, temperatures are dropping quickly:
Areas ahead of the front remain in the 60s and even 70s
Behind the front, temperatures are falling into the 40s
Overnight, many locations could drop into the 30s, especially along and north of the Front Range
This sharp contrast is creating one of the most noticeable temperature swings in recent days, with conditions changing rapidly across short distances.
Smoke from Nebraska fires moves into Colorado
Another growing concern is smoke drifting from wildfires in Nebraska, ignited by dry lightning in Grant County.
As northeast winds strengthen:
Smoke is being pushed south into Colorado
It is expected to settle along the Front Range
Areas along the I-76 corridor and northeast Colorado are already experiencing reduced visibility and thicker smoke
These conditions could lead to poor air quality and hazy skies later today and into tonight.
Low clouds expected to expand overnight
As colder air settles in, conditions are becoming favorable for:
Widespread low cloud formation
Expansion from the foothills along I-25 eastward into the plains
Coverage extending into southern Colorado and north into Wyoming and Nebraska
This cloud layer could become widespread overnight into Friday morning, reducing visibility and keeping temperatures lower.
Patchy fog and freezing drizzle possible
Although confidence remains low, forecasters are monitoring the potential for:
Patchy fog, especially in foothill areas
Light drizzle or freezing drizzle, particularly west of I-25 and near the Palmer Divide
If temperatures drop enough, some areas could experience slick conditions early Friday, especially at higher elevations.
A chilly, gloomy start ahead
By Friday morning, many areas may struggle to warm up:
Temperatures could remain in the 40s throughout much of the day
Cloud cover and lingering moisture may keep conditions cool and overcast
This marks a sharp shift from recent warmth, highlighting how quickly weather can change across the Rockies and High Plains.
Residents across Colorado, Wyoming, and Nebraska should prepare for rapidly changing conditions, reduced visibility due to smoke, and colder-than-expected weather heading into Friday morning.
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