Hourly Weather Forecast - Signal Mountain, TN

12 AM
44°F
0%
2mph
SW
Partly Cloudy
Humidity
54%
Feels like
44°F
Dew Point
28°F
1 AM
44°F
10%
1mph
SW
Mostly Cloudy
Humidity
57%
Feels like
44°F
Dew Point
30°F
2 AM
45°F
10%
1mph
SW
Cloudy
Humidity
60%
Feels like
45°F
Dew Point
32°F
3 AM
45°F
10%
0mph
W
Cloudy
Humidity
64%
Feels like
45°F
Dew Point
33°F
4 AM
45°F
10%
0mph
WNW
Cloudy
Humidity
67%
Feels like
45°F
Dew Point
35°F
5 AM
44°F
10%
0mph
NW
Cloudy
Humidity
72%
Feels like
44°F
Dew Point
36°F
6 AM
43°F
10%
1mph
N
Partly Cloudy
Humidity
76%
Feels like
43°F
Dew Point
36°F
7 AM
44°F
10%
1mph
N
Partly Cloudy
Humidity
77%
Feels like
44°F
Dew Point
37°F
7:45 AM
8 AM
46°F
10%
1mph
NNE
Partly Cloudy
Humidity
73%
Feels like
46°F
Dew Point
38°F
9 AM
49°F
0%
2mph
NNE
Mostly Sunny
Humidity
67%
Feels like
49°F
Dew Point
38°F
10 AM
52°F
0%
3mph
NE
Mostly Sunny
Humidity
60%
Feels like
52°F
Dew Point
39°F
11 AM
55°F
0%
3mph
NE
Mostly Sunny
Humidity
56%
Feels like
55°F
Dew Point
39°F
12 PM
56°F
0%
4mph
NE
Sunny
Humidity
53%
Feels like
56°F
Dew Point
39°F
1 PM
56°F
0%
4mph
NE
Sunny
Humidity
50%
Feels like
56°F
Dew Point
38°F
2 PM
56°F
0%
4mph
NE
Sunny
Humidity
48%
Feels like
56°F
Dew Point
36°F
3 PM
55°F
0%
4mph
NE
Sunny
Humidity
46%
Feels like
55°F
Dew Point
34°F
4 PM
52°F
0%
4mph
NE
Sunny
Humidity
47%
Feels like
52°F
Dew Point
32°F
5 PM
49°F
0%
4mph
NE
Sunny
Humidity
48%
Feels like
48°F
Dew Point
30°F
5:33 PM
6 PM
46°F
0%
3mph
NE
Clear
Humidity
49%
Feels like
45°F
Dew Point
28°F
7 PM
44°F
0%
3mph
NE
Clear
Humidity
48%
Feels like
44°F
Dew Point
26°F
8 PM
42°F
0%
3mph
NE
Clear
Humidity
46%
Feels like
41°F
Dew Point
23°F
9 PM
41°F
0%
4mph
NE
Mostly Clear
Humidity
44%
Feels like
39°F
Dew Point
21°F
10 PM
40°F
0%
4mph
NE
Mostly Clear
Humidity
43%
Feels like
38°F
Dew Point
19°F
11 PM
39°F
0%
4mph
NE
Mostly Clear
Humidity
42%
Feels like
37°F
Dew Point
18°F

Rain And Snow Totals Through Monday

Atmospheric River Takes Aim For Northern California

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

NOAA, NCDC

White Christmas? What Are The Odds

Weekend Weather Outlook

Weekend 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

loading ad...

Today's National Outlook

Hurricane Tracker

Allergy Forecast

Snow & Ski Forecast

Traffic Cameras

Weather Cameras

Traffic Cameras

Weather Cameras

Outdoor Sports Guide