SIGNAL MOUNTAIN, TN 37377 Weather Forecast & Current Conditions
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  37377 WEATHER WARNINGS (SEVERE T-STORM & TORNADO)
 CURRENT WEATHER

CHATTANOOGA, TN
Current Weather
12:53 AM CDT APR 1, 2026
Clear
63°F
Feels Like: 63°F
Dewpoint: 57°F
Rel. Hum.: 81%
Visibility: 10 miles
Wind: Calm
Pressure: 30.13 inches
Last 72 hours

Local Area Snow Depth

Tennessee Current Weather

Tennessee MOS Forecast Weather


Weather Map

(Automated weather data from NWS/FAA)
  37377 WEATHER FORECAST
10-Day model forecast maps
2025 Hurricanes

SIGNAL MOUNTAIN, TN 37377
Weather Forecast

 Snowfall Forecast pages
Snow Depth pages
REST OF TONIGHT
Partly cloudy. Lows around 60. Light winds.
WEDNESDAY
Mostly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. South winds 10 mph or less. Chance of rain 40 percent.
WEDNESDAY NIGHT
Partly cloudy with a slight chance of showers and thunderstorms in the evening, then mostly clear with a slight chance of showers after midnight. Mostly clear late. Lows in the lower 60s. Light winds. Chance of rain 20 percent.
THURSDAY
Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower to mid 80s. South winds 5 to 15 mph with gusts up to 25 mph. Chance of rain 30 percent.
THURSDAY NIGHT
Mostly cloudy. Lows in the lower 60s. South winds 10 mph or less.
FRIDAY
Mostly cloudy. A slight chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s to lower 80s. Chance of rain 20 percent.
FRIDAY NIGHT
Mostly cloudy. A slight chance of showers after midnight. Lows in the lower 60s. Chance of rain 20 percent.
SATURDAY
Mostly cloudy with a slight chance of showers in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the upper 70s to lower 80s. Chance of rain 50 percent.
SATURDAY NIGHT
Showers likely with a chance of thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the lower 50s. Chance of rain 70 percent.
SUNDAY
Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly sunny with a slight chance of showers in the afternoon. Cooler with highs in the lower to mid 60s. Chance of rain 50 percent.
SUNDAY NIGHT
Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 40s.
MONDAY
Mostly sunny. Highs in the lower to mid 60s.
MONDAY NIGHT
Partly cloudy in the evening, then becoming mostly clear. Lows in the lower 40s.

  37377 WEATHER SATELLITE LOOPS
Visible Weather Satellite
SIGNAL MOUNTAIN, TN 37377
Infrared Weather Satellite
SIGNAL MOUNTAIN, TN 37377
  37377 WEATHER RADAR LOOP
NEXRAD Weather Radar
SIGNAL MOUNTAIN, TN 37377
 MOS COMPUTER WEATHER FORECAST

CHATTANOOGA, TN 3 hourly weather forecast
weather forecast created  5:00 PM MST  3/31/2026
Wednesday
1 APR 2026		 SIGNAL MOUNTAIN, TN 37377 weather forecast Day 1, 0 hours 12 AM 66° 66° Mostly Cloudy 9%

 0% Thunder
( 21% severe)		 S   6 78% 59°
Low 62° SIGNAL MOUNTAIN, TN 37377 weather forecast Day 1, 3 hours 3 AM 64° 65° Mostly Cloudy S   5 87% 60°
High 84° SIGNAL MOUNTAIN, TN 37377 weather forecast Day 1, 6 hours 6 AM 63° 64° Mostly Cloudy 18%
RAIN
<.01 in		 0% Thunder
( 23% severe)		 S   3 93% 61°

Mostly Cloudy

Chance of Rain

 SIGNAL MOUNTAIN, TN 37377 weather forecast Day 1, 9 hours 9 AM 72° 72° Mostly Cloudy SSW   7 71% 62°
SIGNAL MOUNTAIN, TN 37377 weather forecast Day 1, 12 hours 12 PM 78° 79° Partly Cloudy 29%
RAIN
<.01 in		 0% Thunder
( 46% severe)		 SSW   9 54% 60°
SIGNAL MOUNTAIN, TN 37377 weather forecast Day 1, 15 hours 3 PM 82° 82° Partly Cloudy SSW   10 44% 58°
SIGNAL MOUNTAIN, TN 37377 weather forecast Day 1, 18 hours 6 PM 78° 79° Partly Cloudy 16%
RAIN
1–2 in		 0% Thunder
( 19% severe)		 SSW   6 48% 57°
SIGNAL MOUNTAIN, TN 37377 weather forecast Day 1, 21 hours 9 PM 70° 70° Partly Cloudy S   5 68% 59°
Thursday
2 APR 2026		 SIGNAL MOUNTAIN, TN 37377 weather forecast Day 2, 0 hours 12 AM 66° 66° Clear 8%

 0% Thunder
( 4% severe)		 SSE   5 78% 59°
Low 62° SIGNAL MOUNTAIN, TN 37377 weather forecast Day 2, 3 hours 3 AM 64° 65° Partly Cloudy S   5 84% 59°
High 86° SIGNAL MOUNTAIN, TN 37377 weather forecast Day 2, 6 hours 6 AM 63° 64° Mostly Cloudy 8%

 0% Thunder
( 10% severe)		 S   5 90% 60°

Partly Cloudy



 SIGNAL MOUNTAIN, TN 37377 weather forecast Day 2, 9 hours 9 AM 73° 73° Partly Cloudy S   10 66% 61°
SIGNAL MOUNTAIN, TN 37377 weather forecast Day 2, 12 hours 12 PM 81° 81° Partly Cloudy 19%
RAIN
<.01 in		 0% Thunder
( 20% severe)		 S   13 46% 58°
SIGNAL MOUNTAIN, TN 37377 weather forecast Day 2, 15 hours 3 PM 83° 82° Partly Cloudy S   13 40% 56°
SIGNAL MOUNTAIN, TN 37377 weather forecast Day 2, 18 hours 6 PM 79° 80° Mostly Cloudy 6%

 0% Thunder
( 10% severe)		 S   9 44% 55°
SIGNAL MOUNTAIN, TN 37377 weather forecast Day 2, 21 hours 9 PM 73° 73° Mostly Cloudy SSE   8 55% 56°

CHATTANOOGA, TN extended weather forecast
Friday
3 APR 2026		 Saturday
4 APR 2026		 Sunday
5 APR 2026		 Monday
6 APR 2026		 Tuesday
7 APR 2026
Low 59° Low 59° Low 57° Low 45° Low 42°
High 82° High 81° High 69° High 68° High 73°
SIGNAL MOUNTAIN, TN 37377 weather forecast Day 3 SIGNAL MOUNTAIN, TN 37377 weather forecast Day 4 SIGNAL MOUNTAIN, TN 37377 weather forecast Day 5 SIGNAL MOUNTAIN, TN 37377 weather forecast Day 6 SIGNAL MOUNTAIN, TN 37377 weather forecast Day 7
Overcast
36% Rain		 Overcast
68% Rain		 Mostly Cloudy
83% Rain		 Clear
11% Rain		 Partly Cloudy
29% Rain
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