Hourly Weather Forecast - Signal Mountain, TN

3 AM
47°F
0%
0mph
W
Partly Cloudy
Humidity
60%
Feels like
47°F
Dew Point
34°F
4 AM
47°F
0%
0mph
WNW
Partly Cloudy
Humidity
61%
Feels like
47°F
Dew Point
34°F
5 AM
47°F
0%
1mph
NNW
Partly Cloudy
Humidity
63%
Feels like
47°F
Dew Point
35°F
6 AM
46°F
0%
1mph
N
Partly Cloudy
Humidity
67%
Feels like
46°F
Dew Point
35°F
7 AM
46°F
0%
2mph
N
Partly Cloudy
Humidity
67%
Feels like
46°F
Dew Point
35°F
7:45 AM
8 AM
47°F
0%
2mph
NNE
Partly Cloudy
Humidity
63%
Feels like
47°F
Dew Point
35°F
9 AM
51°F
0%
3mph
NNE
Partly Cloudy
Humidity
57%
Feels like
51°F
Dew Point
36°F
10 AM
53°F
0%
4mph
NNE
Partly Cloudy
Humidity
54%
Feels like
53°F
Dew Point
37°F
11 AM
55°F
0%
4mph
NE
Partly Cloudy
Humidity
50%
Feels like
55°F
Dew Point
37°F
12 PM
55°F
0%
4mph
NE
Mostly Sunny
Humidity
46%
Feels like
55°F
Dew Point
35°F
1 PM
55°F
0%
5mph
NE
Sunny
Humidity
41%
Feels like
55°F
Dew Point
32°F
2 PM
55°F
0%
5mph
NE
Sunny
Humidity
36%
Feels like
55°F
Dew Point
28°F
3 PM
54°F
0%
4mph
NE
Sunny
Humidity
32%
Feels like
54°F
Dew Point
25°F
4 PM
51°F
0%
4mph
NE
Sunny
Humidity
35%
Feels like
51°F
Dew Point
24°F
5 PM
48°F
0%
4mph
NE
Sunny
Humidity
38%
Feels like
47°F
Dew Point
24°F
5:33 PM
6 PM
45°F
0%
3mph
NE
Clear
Humidity
41%
Feels like
44°F
Dew Point
23°F
7 PM
43°F
0%
3mph
NE
Clear
Humidity
44%
Feels like
42°F
Dew Point
23°F
8 PM
42°F
0%
3mph
NE
Clear
Humidity
44%
Feels like
40°F
Dew Point
22°F
9 PM
41°F
0%
4mph
NE
Clear
Humidity
45%
Feels like
39°F
Dew Point
21°F
10 PM
40°F
0%
4mph
NE
Clear
Humidity
43%
Feels like
38°F
Dew Point
20°F
11 PM
40°F
0%
3mph
NE
Clear
Humidity
45%
Feels like
37°F
Dew Point
20°F

Rain And Snow Totals Through Monday

Atmospheric River Impacts Northern California

The plume of abundant moisture impacting the Northwest the last several days will focus more on Northern California through Monday bringing heavy rainfall and mountain snow.

NOAA, NCDC

White Christmas? What Are The Odds

Sunday's Weather Outlook

Sunday's Weather Outlook

Cold weather

During Extreme Cold: Watch for Frostbite!

Flu Update Valid For Week Ending December 13, 2025

Weekly Flu Update: Flu Spreading Hard Across U.S.

Watch vs. Warning

Flash Flood Watch and Warning Defined

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