Hourly Weather Forecast - Jefferson, CO

12 AM
34°F
10%
18mph
W
Mostly Clear
Humidity
41%
Feels like
23°F
Dew Point
13°F
1 AM
32°F
0%
18mph
WNW
Mostly Clear
Humidity
37%
Feels like
21°F
Dew Point
9°F
2 AM
31°F
0%
19mph
WNW
Clear
Humidity
34%
Feels like
19°F
Dew Point
6°F
3 AM
28°F
0%
19mph
WNW
Clear
Humidity
31%
Feels like
16°F
Dew Point
2°F
4 AM
27°F
0%
19mph
WNW
Clear
Humidity
28%
Feels like
14°F
Dew Point
-1°F
5 AM
27°F
0%
19mph
WNW
Clear
Humidity
26%
Feels like
13°F
Dew Point
-3°F
6 AM
27°F
0%
19mph
WNW
Clear
Humidity
25%
Feels like
13°F
Dew Point
-5°F
7 AM
27°F
0%
19mph
WNW
Clear
Humidity
24%
Feels like
14°F
Dew Point
-5°F
7:17 AM
8 AM
28°F
0%
19mph
WNW
Sunny
Humidity
22%
Feels like
15°F
Dew Point
-6°F
9 AM
29°F
0%
21mph
WNW
Windy
Humidity
21%
Feels like
15°F
Dew Point
-6°F
10 AM
29°F
0%
22mph
WNW
Windy
Humidity
20%
Feels like
16°F
Dew Point
-6°F
11 AM
30°F
0%
23mph
WNW
Windy
Humidity
20%
Feels like
16°F
Dew Point
-7°F
12 PM
31°F
0%
23mph
WNW
Windy
Humidity
20%
Feels like
17°F
Dew Point
-6°F
1 PM
31°F
0%
23mph
WNW
Windy
Humidity
21%
Feels like
19°F
Dew Point
-4°F
2 PM
32°F
0%
21mph
WNW
Windy
Humidity
22%
Feels like
19°F
Dew Point
-3°F
3 PM
31°F
0%
17mph
W
Sunny
Humidity
25%
Feels like
20°F
Dew Point
-1°F
4 PM
32°F
0%
15mph
WSW
Mostly Sunny
Humidity
26%
Feels like
22°F
Dew Point
1°F
4:41 PM
5 PM
33°F
0%
15mph
WSW
Mostly Clear
Humidity
27%
Feels like
23°F
Dew Point
3°F
6 PM
35°F
0%
16mph
WSW
Mostly Clear
Humidity
28%
Feels like
26°F
Dew Point
5°F
7 PM
35°F
0%
16mph
WSW
Clear
Humidity
32%
Feels like
25°F
Dew Point
8°F
8 PM
35°F
0%
17mph
W
Clear
Humidity
35%
Feels like
25°F
Dew Point
10°F
9 PM
35°F
0%
17mph
W
Clear
Humidity
39%
Feels like
25°F
Dew Point
13°F
10 PM
35°F
0%
17mph
W
Mostly Clear
Humidity
42%
Feels like
25°F
Dew Point
14°F
11 PM
35°F
0%
17mph
W
Mostly Clear
Humidity
44%
Feels like
25°F
Dew Point
15°F

Rainfall and Snowfall Totals Through Thursday

Flooding Rain, Heavy Snow and Winds Slam Northwest, North-Central U.S.

The atmospheric river this week will keep buffeting the Pacific Northwest with heavy rain, snow, and high winds.

Thursday's Weather Outlook

Thursday's Weather Outlook

How to Measure Snow via NWS

How To Measure Snow

Weekly Drought Map for December 11, 2025

Hit-or-Miss Precipitation Leads to Mixed Drought Results

A person standing in a snowy forest with their back to the camera. They are bundled up in a white hat and a brown jacket. (Image by StockSnap from Pixabay)

Common Cold Weather Illnesses

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

Cold Air Damming - Cause And Effects

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