Hourly Weather Forecast - Longmont, CO

12 AM
34°F
0%
3mph
WSW
Clear
Humidity
54%
Feels like
31°F
Dew Point
19°F
1 AM
33°F
0%
3mph
WSW
Clear
Humidity
55%
Feels like
30°F
Dew Point
18°F
2 AM
32°F
0%
3mph
W
Mostly Clear
Humidity
56%
Feels like
29°F
Dew Point
18°F
3 AM
31°F
0%
3mph
W
Partly Cloudy
Humidity
57%
Feels like
31°F
Dew Point
18°F
4 AM
31°F
0%
3mph
W
Mostly Cloudy
Humidity
58%
Feels like
31°F
Dew Point
18°F
5 AM
31°F
0%
3mph
W
Cloudy
Humidity
57%
Feels like
31°F
Dew Point
18°F

Snow and ice forecast through Friday A.M.

Multiple Snow Threats Across the Northern U.S.

Multiple systems will bring snow across the Northern U.S. through the end of the week.

Rainfall Forecast for Northwest through Friday A.M.

Unrelenting Rains Soak the Northwest

Today's Weather Outlook

Today's Weather Outlook

Weekly Drought Map for December 4, 2025

Active Week of Weather Leads to Mixed Drought Results

A strong cold-air-damming event from March 20, 2018.

Cold Air Damming - Cause And Effects

People skating on a frozen pond on a clear day. (Image by Q K from Pixabay)

Safety Tips For Icy Surfaces

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide