Hourly Weather Forecast - Decatur, TN

12 AM
29°F
0%
3mph
NNE
Clear
Humidity
81%
Feels like
29°F
Dew Point
24°F
1 AM
28°F
0%
2mph
NNE
Clear
Humidity
85%
Feels like
28°F
Dew Point
24°F
2 AM
27°F
10%
2mph
ENE
Mostly Clear
Humidity
90%
Feels like
27°F
Dew Point
24°F
3 AM
26°F
10%
2mph
SSE
Hazy
Humidity
96%
Feels like
26°F
Dew Point
25°F
4 AM
25°F
10%
2mph
SSE
Partly Cloudy
Humidity
98%
Feels like
25°F
Dew Point
25°F
5 AM
25°F
10%
3mph
S
Hazy
Humidity
98%
Feels like
25°F
Dew Point
25°F
6 AM
26°F
10%
3mph
S
Partly Cloudy
Humidity
96%
Feels like
26°F
Dew Point
25°F
7 AM
28°F
10%
3mph
SSW
Mostly Cloudy
Humidity
92%
Feels like
25°F
Dew Point
26°F
7:44 AM
8 AM
31°F
20%
3mph
SSW
Partly Cloudy
Humidity
84%
Feels like
31°F
Dew Point
27°F
9 AM
35°F
20%
3mph
SSW
Mostly Sunny
Humidity
76%
Feels like
33°F
Dew Point
28°F
10 AM
39°F
20%
4mph
SSW
Sunny
Humidity
68%
Feels like
37°F
Dew Point
29°F
11 AM
43°F
10%
4mph
SSW
Sunny
Humidity
60%
Feels like
40°F
Dew Point
30°F
12 PM
46°F
10%
5mph
SSW
Sunny
Humidity
53%
Feels like
44°F
Dew Point
30°F
1 PM
49°F
10%
6mph
S
Sunny
Humidity
48%
Feels like
46°F
Dew Point
30°F
2 PM
51°F
10%
6mph
S
Sunny
Humidity
46%
Feels like
51°F
Dew Point
31°F
3 PM
51°F
10%
6mph
S
Sunny
Humidity
46%
Feels like
51°F
Dew Point
31°F
4 PM
50°F
10%
6mph
S
Sunny
Humidity
50%
Feels like
50°F
Dew Point
32°F
5 PM
48°F
10%
6mph
S
Sunny
Humidity
55%
Feels like
45°F
Dew Point
33°F
5:30 PM
6 PM
46°F
10%
6mph
S
Clear
Humidity
61%
Feels like
42°F
Dew Point
33°F
7 PM
44°F
10%
6mph
SSW
Clear
Humidity
65%
Feels like
40°F
Dew Point
33°F
8 PM
42°F
10%
6mph
SSW
Clear
Humidity
69%
Feels like
39°F
Dew Point
33°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

Extreme cold paired with their wind chill values will shiver much of the nation.

Snowfall forecast through Monday evening.

Mid-Atlantic, Great Lakes Snow Piles Up

Monday's Weather Outlook

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

Cold Air Damming - Cause And Effects

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