Hourly Weather Forecast - Signal Mountain, TN

12 AM
15°F
0%
3mph
NNE
Clear
Humidity
49%
Feels like
10°F
Dew Point
-1°F
1 AM
15°F
0%
3mph
NNE
Clear
Humidity
50%
Feels like
15°F
Dew Point
-1°F
2 AM
14°F
0%
3mph
NNE
Clear
Humidity
52%
Feels like
14°F
Dew Point
0°F
3 AM
14°F
0%
3mph
NNE
Clear
Humidity
52%
Feels like
14°F
Dew Point
0°F
4 AM
14°F
0%
2mph
NE
Clear
Humidity
53%
Feels like
14°F
Dew Point
0°F
5 AM
14°F
0%
2mph
NE
Clear
Humidity
54%
Feels like
14°F
Dew Point
0°F
6 AM
15°F
0%
2mph
NE
Clear
Humidity
53%
Feels like
15°F
Dew Point
1°F
7 AM
16°F
0%
2mph
ENE
Clear
Humidity
51%
Feels like
16°F
Dew Point
1°F
7:42 AM
8 AM
19°F
0%
1mph
ENE
Sunny
Humidity
47%
Feels like
19°F
Dew Point
2°F
9 AM
22°F
0%
1mph
E
Sunny
Humidity
42%
Feels like
22°F
Dew Point
2°F
10 AM
25°F
0%
1mph
E
Sunny
Humidity
37%
Feels like
25°F
Dew Point
3°F
11 AM
29°F
0%
1mph
SE
Sunny
Humidity
34%
Feels like
29°F
Dew Point
4°F
12 PM
32°F
0%
2mph
S
Sunny
Humidity
31%
Feels like
32°F
Dew Point
5°F
1 PM
34°F
0%
3mph
SSW
Sunny
Humidity
30%
Feels like
34°F
Dew Point
6°F
2 PM
36°F
0%
3mph
SSW
Sunny
Humidity
29%
Feels like
33°F
Dew Point
7°F
3 PM
36°F
0%
3mph
SSW
Sunny
Humidity
31%
Feels like
33°F
Dew Point
8°F
4 PM
34°F
0%
3mph
SSW
Sunny
Humidity
33%
Feels like
32°F
Dew Point
8°F
5 PM
32°F
0%
3mph
SW
Sunny
Humidity
37%
Feels like
32°F
Dew Point
9°F
5:30 PM
6 PM
30°F
0%
2mph
SW
Clear
Humidity
41%
Feels like
30°F
Dew Point
10°F
7 PM
29°F
0%
2mph
SW
Clear
Humidity
45%
Feels like
29°F
Dew Point
10°F
8 PM
27°F
0%
2mph
SW
Clear
Humidity
47%
Feels like
27°F
Dew Point
10°F
9 PM
27°F
0%
2mph
SW
Clear
Humidity
49%
Feels like
27°F
Dew Point
10°F
10 PM
26°F
0%
2mph
SW
Clear
Humidity
50%
Feels like
26°F
Dew Point
10°F
11 PM
26°F
0%
2mph
SW
Clear
Humidity
50%
Feels like
26°F
Dew Point
10°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 A.M.

Snow Spreads Across the Midwest 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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