Hourly Weather Forecast - Signal Mountain, TN

12 AM
26°F
0%
2mph
SW
Clear
Humidity
55%
Feels like
26°F
Dew Point
12°F
1 AM
26°F
0%
2mph
WSW
Clear
Humidity
56%
Feels like
26°F
Dew Point
12°F
2 AM
25°F
0%
2mph
WSW
Mostly Clear
Humidity
58%
Feels like
25°F
Dew Point
12°F
3 AM
25°F
0%
2mph
WSW
Partly Cloudy
Humidity
58%
Feels like
25°F
Dew Point
12°F
4 AM
25°F
0%
1mph
WSW
Partly Cloudy
Humidity
59%
Feels like
25°F
Dew Point
13°F
5 AM
25°F
0%
1mph
WSW
Partly Cloudy
Humidity
59%
Feels like
25°F
Dew Point
13°F
6 AM
25°F
0%
1mph
WSW
Partly Cloudy
Humidity
60%
Feels like
25°F
Dew Point
13°F
7 AM
26°F
0%
1mph
WSW
Partly Cloudy
Humidity
58%
Feels like
26°F
Dew Point
13°F
7:42 AM
8 AM
28°F
0%
1mph
SW
Partly Cloudy
Humidity
53%
Feels like
28°F
Dew Point
13°F
9 AM
33°F
0%
1mph
SW
Mostly Cloudy
Humidity
46%
Feels like
33°F
Dew Point
14°F
10 AM
37°F
0%
1mph
SSW
Mostly Cloudy
Humidity
40%
Feels like
37°F
Dew Point
15°F
11 AM
41°F
0%
2mph
SSW
Partly Cloudy
Humidity
35%
Feels like
41°F
Dew Point
16°F
12 PM
44°F
0%
2mph
SSW
Partly Cloudy
Humidity
33%
Feels like
44°F
Dew Point
17°F
1 PM
46°F
0%
3mph
SSW
Partly Cloudy
Humidity
32%
Feels like
46°F
Dew Point
18°F
2 PM
47°F
0%
3mph
SSW
Partly Cloudy
Humidity
33%
Feels like
47°F
Dew Point
19°F
3 PM
46°F
0%
3mph
SSW
Partly Cloudy
Humidity
36%
Feels like
46°F
Dew Point
20°F
4 PM
44°F
0%
3mph
SSW
Partly Cloudy
Humidity
40%
Feels like
44°F
Dew Point
21°F
5 PM
41°F
0%
2mph
SSW
Partly Cloudy
Humidity
46%
Feels like
41°F
Dew Point
22°F
5:31 PM
6 PM
38°F
0%
2mph
SSW
Mostly Clear
Humidity
52%
Feels like
38°F
Dew Point
22°F
7 PM
35°F
0%
2mph
SSW
Mostly Clear
Humidity
57%
Feels like
35°F
Dew Point
22°F
8 PM
34°F
0%
2mph
SSW
Clear
Humidity
60%
Feels like
34°F
Dew Point
22°F
9 PM
34°F
0%
2mph
SSW
Clear
Humidity
61%
Feels like
34°F
Dew Point
22°F
10 PM
34°F
0%
2mph
SSW
Clear
Humidity
62%
Feels like
34°F
Dew Point
22°F
11 PM
34°F
0%
2mph
SSW
Mostly Clear
Humidity
61%
Feels like
34°F
Dew Point
22°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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