Hourly Weather Forecast - Decatur, TN

12 AM
50°F
60%
8mph
W
60% Chance Rain Showers
Humidity
81%
Feels like
50°F
Dew Point
44°F
1 AM
47°F
50%
7mph
WNW
50% Chance Rain Showers
Humidity
80%
Feels like
43°F
Dew Point
41°F
2 AM
44°F
30%
6mph
WNW
30% Chance Rain Showers
Humidity
78%
Feels like
41°F
Dew Point
38°F
3 AM
42°F
20%
5mph
WNW
Partly Cloudy
Humidity
77%
Feels like
38°F
Dew Point
35°F
4 AM
40°F
10%
5mph
WNW
Clear
Humidity
77%
Feels like
37°F
Dew Point
33°F
5 AM
38°F
10%
5mph
NW
Clear
Humidity
77%
Feels like
35°F
Dew Point
32°F
6 AM
37°F
10%
6mph
NW
Clear
Humidity
78%
Feels like
32°F
Dew Point
31°F
7 AM
36°F
10%
6mph
NW
Clear
Humidity
78%
Feels like
31°F
Dew Point
30°F
7:43 AM
8 AM
36°F
10%
6mph
NW
Sunny
Humidity
74%
Feels like
31°F
Dew Point
29°F
9 AM
38°F
10%
6mph
NNW
Mostly Sunny
Humidity
67%
Feels like
33°F
Dew Point
28°F
10 AM
40°F
10%
6mph
NNW
Mostly Sunny
Humidity
60%
Feels like
35°F
Dew Point
27°F
11 AM
42°F
10%
6mph
NNW
Mostly Sunny
Humidity
53%
Feels like
38°F
Dew Point
26°F
12 PM
44°F
10%
6mph
NNW
Mostly Sunny
Humidity
47%
Feels like
41°F
Dew Point
25°F
1 PM
46°F
10%
6mph
NNW
Sunny
Humidity
43%
Feels like
43°F
Dew Point
25°F
2 PM
47°F
10%
5mph
NNW
Sunny
Humidity
41%
Feels like
44°F
Dew Point
24°F
3 PM
47°F
10%
5mph
NNW
Mostly Sunny
Humidity
41%
Feels like
44°F
Dew Point
24°F
4 PM
45°F
10%
5mph
N
Mostly Sunny
Humidity
43%
Feels like
43°F
Dew Point
24°F
5 PM
43°F
10%
4mph
N
Mostly Sunny
Humidity
48%
Feels like
40°F
Dew Point
25°F
5:29 PM
6 PM
40°F
10%
4mph
N
Clear
Humidity
55%
Feels like
37°F
Dew Point
25°F
7 PM
38°F
10%
4mph
N
Clear
Humidity
61%
Feels like
35°F
Dew Point
25°F
8 PM
36°F
10%
3mph
N
Clear
Humidity
66%
Feels like
34°F
Dew Point
26°F
9 PM
35°F
10%
3mph
N
Clear
Humidity
69%
Feels like
33°F
Dew Point
26°F
10 PM
35°F
10%
3mph
N
Clear
Humidity
72%
Feels like
32°F
Dew Point
27°F
11 PM
35°F
10%
3mph
N
Clear
Humidity
75%
Feels like
32°F
Dew Point
28°F

Wind chill temperatures Monday A.M.

Cold Weather Chills the Nation Down to the Gulf

In the path of a weak low-pressure system that brings snow to the Midwest and Northeast, extreme cold weather and brutally cold wind chill values will bring a bitter cold to much of the Nation.

Snowfall forecast through Sunday evening.

Snow Spreads Across the Ohio Valley into the Mid-Atlantic

Weekend Weather Outlook

Weekend 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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