Hourly Weather Forecast - Jefferson, CO

3 PM
36°F
0%
22mph
W
Windy
Humidity
47%
Feels like
24°F
Dew Point
17°F
4 PM
34°F
0%
18mph
W
Mostly Sunny
Humidity
49%
Feels like
24°F
Dew Point
17°F
4:42 PM
5 PM
33°F
0%
14mph
W
Mostly Clear
Humidity
52%
Feels like
24°F
Dew Point
18°F
6 PM
32°F
0%
9mph
WSW
Mostly Clear
Humidity
55%
Feels like
25°F
Dew Point
18°F
7 PM
32°F
0%
6mph
SSW
Mostly Clear
Humidity
55%
Feels like
26°F
Dew Point
17°F
8 PM
31°F
0%
7mph
S
Partly Cloudy
Humidity
57%
Feels like
25°F
Dew Point
18°F
9 PM
31°F
0%
7mph
SSE
Partly Cloudy
Humidity
55%
Feels like
24°F
Dew Point
16°F
10 PM
30°F
0%
6mph
S
Mostly Clear
Humidity
58%
Feels like
24°F
Dew Point
17°F
11 PM
30°F
0%
6mph
S
Mostly Clear
Humidity
62%
Feels like
24°F
Dew Point
18°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California later today into Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Sunday's Weather Outlook

Sunday's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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