Hourly Weather Forecast - Signal Mountain, TN

12 AM
48°F
0%
5mph
S
Cloudy
Humidity
40%
Feels like
45°F
Dew Point
24°F
1 AM
47°F
10%
5mph
S
Cloudy
Humidity
43%
Feels like
45°F
Dew Point
26°F
2 AM
47°F
10%
5mph
S
Mostly Cloudy
Humidity
47%
Feels like
45°F
Dew Point
28°F
3 AM
47°F
10%
4mph
S
Mostly Cloudy
Humidity
50%
Feels like
45°F
Dew Point
29°F
4 AM
47°F
10%
4mph
S
Mostly Cloudy
Humidity
54%
Feels like
45°F
Dew Point
31°F
5 AM
46°F
10%
4mph
S
Partly Cloudy
Humidity
58%
Feels like
45°F
Dew Point
32°F
6 AM
46°F
10%
4mph
S
Partly Cloudy
Humidity
63%
Feels like
44°F
Dew Point
34°F
7 AM
46°F
10%
4mph
S
Partly Cloudy
Humidity
67%
Feels like
44°F
Dew Point
36°F
7:46 AM
8 AM
47°F
20%
3mph
S
Partly Cloudy
Humidity
70%
Feels like
46°F
Dew Point
38°F
9 AM
49°F
20%
3mph
SSW
Partly Cloudy
Humidity
70%
Feels like
48°F
Dew Point
40°F
10 AM
51°F
30%
4mph
SSW
30% Chance Rain Showers
Humidity
70%
Feels like
51°F
Dew Point
42°F
11 AM
54°F
40%
4mph
SSW
40% Chance Rain Showers
Humidity
69%
Feels like
54°F
Dew Point
44°F
12 PM
56°F
40%
4mph
SSW
40% Chance Rain Showers
Humidity
69%
Feels like
56°F
Dew Point
46°F
1 PM
57°F
50%
4mph
SW
50% Chance Rain Showers
Humidity
69%
Feels like
57°F
Dew Point
47°F
2 PM
58°F
50%
4mph
SW
50% Chance Rain Showers
Humidity
71%
Feels like
58°F
Dew Point
49°F
3 PM
58°F
50%
4mph
SW
50% Chance Rain Showers
Humidity
73%
Feels like
58°F
Dew Point
49°F
4 PM
57°F
40%
3mph
SW
40% Chance Rain Showers
Humidity
78%
Feels like
57°F
Dew Point
50°F
5 PM
55°F
30%
3mph
SW
30% Chance Rain Showers
Humidity
84%
Feels like
55°F
Dew Point
50°F
5:34 PM
6 PM
54°F
20%
2mph
SW
Partly Cloudy
Humidity
89%
Feels like
54°F
Dew Point
51°F
7 PM
54°F
20%
2mph
SW
Mostly Cloudy
Humidity
91%
Feels like
54°F
Dew Point
51°F
8 PM
53°F
20%
2mph
WSW
Mostly Cloudy
Humidity
91%
Feels like
53°F
Dew Point
51°F
9 PM
54°F
10%
1mph
WSW
Mostly Cloudy
Humidity
89%
Feels like
54°F
Dew Point
50°F
10 PM
53°F
20%
1mph
WSW
Mostly Cloudy
Humidity
89%
Feels like
53°F
Dew Point
50°F
11 PM
53°F
30%
1mph
WSW
30% Chance Rain Showers
Humidity
90%
Feels like
53°F
Dew Point
50°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

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