Observed 5:40 PM EDT at KCHA

Signal Mountain, TN weather

Sunny and 72°22°.

Forecasts agree

Now 72°22°

Sunny

Wind: 8 mph13 km/h; From the north. Up to 8 mph13 km/h through 6 AM
Dew point: 45°7°; Comfortable
UV tomorrow: 5Moderate; Moderate 11 AM–5 PM · peak 5
Air quality: 48Good; Ozone · tomorrow moderate
Pressure: 30.35 inHg1028 hPa; Falling slowly · −0.03 inHg−1.1 hPa in 3 h

No precipitation expected in the next 2 hours.

From forecast models

Next 48 hours

Good hours for

Below 60°16° tonight after 8 PM
Low 49°9° tomorrow at 7 AM
Above 60°16° tomorrow by noon

TonightDown to 50°10° by 5 AM · Clear
Tomorrow morningUp to 59°15° by 11 AM · Clear
Tomorrow afternoonUp to 68°20° by 5 PM · Clear
Tomorrow nightDown to 51°11° by 4 AM · Clear
Monday morningUp to 60°16° by 11 AM · Clear
Monday afternoonUp to 69°21° by 4 PM · Partly cloudy

Hourly forecast, next 48 hours, in the place's local time
Hour	Conditions	Temperature	Feels like	Precipitation	Wind	Humidity	Cloud cover	UV index
Sat 6p	Sunny	66°19° (likely 64°18° to 67°19°)	66°19°	0%	0 mph0 km/h, gusts 9 mph14 km/h	47%	2%	1
Sat 7p	Clear	62°17° (likely 60°16° to 62°17°)	62°17°	0%	0 mph0 km/h, gusts 8 mph13 km/h	54%	1%	0
Sat 8p	Clear	57°14° (likely 56°13° to 59°15°)	57°14°	0%	0 mph0 km/h, gusts 7 mph11 km/h	64%	0%	0
Sat 9p	Clear	56°13° (likely 54°12° to 58°14°)	56°13°	0%	0 mph0 km/h, gusts 7 mph11 km/h	69%	0%	0
Sat 10p	Clear	55°13° (likely 52°11° to 57°14°)	55°13°	0%	0 mph0 km/h, gusts 8 mph12 km/h	72%	0%	0
Sat 11p	Clear	54°12° (likely 51°11° to 56°13°)	54°12°	0%	0 mph0 km/h, gusts 7 mph12 km/h	74%	0%	0
Sun 12a	Clear	53°12° (likely 50°10° to 55°13°)	53°12°	0%	0 mph0 km/h, gusts 7 mph11 km/h	74%	1%	0
Sun 1a	Clear	53°12° (likely 49°9° to 53°12°)	53°12°	0%	0 mph0 km/h, gusts 9 mph15 km/h	77%	1%	0
Sun 2a	Clear	52°11° (likely 49°9° to 52°11°)	52°11°	0%	0 mph0 km/h, gusts 8 mph13 km/h	80%	4%	0
Sun 3a	Clear	52°11° (likely 48°9° to 52°11°)	52°11°	0%	0 mph0 km/h, gusts 8 mph13 km/h	77%	1%	0
Sun 4a	Clear	51°11° (likely 48°9° to 51°11°)	51°11°	0%	0 mph0 km/h, gusts 7 mph11 km/h	80%	1%	0
Sun 5a	Clear	50°10° (likely 47°8° to 50°10°)	50°10°	0%	0 mph0 km/h, gusts 6 mph10 km/h	83%	0%	0
Sun 6a	Clear	50°10° (likely 46°8° to 50°10°)	50°10°	0%	0 mph0 km/h, gusts 6 mph10 km/h	80%	0%	0
Sun 7a	Clear	49°9° (likely 45°7° to 49°9°)	49°9°	0%	0 mph0 km/h, gusts 6 mph10 km/h	83%	0%	0
Sun 8a	Sunny	49°9° (likely 44°7° to 49°9°)	49°9°	0%	0 mph0 km/h, gusts 6 mph10 km/h	83%	0%	0
Sun 9a	Sunny	51°11° (likely 46°8° to 52°11°)	51°11°	0%	0 mph0 km/h, gusts 5 mph7 km/h	80%	0%	0
Sun 10a	Sunny	55°13° (likely 53°12° to 56°13°)	55°13°	0%	0 mph0 km/h, gusts 5 mph9 km/h	72%	0%	1
Sun 11a	Sunny	59°15° (likely 58°14° to 60°16°)	59°15°	0%	0 mph0 km/h, gusts 4 mph7 km/h	62%	0%	3
Sun 12p	Sunny	62°17° (likely 60°16° to 63°17°)	62°17°	0%	0 mph0 km/h, gusts 7 mph11 km/h	58%	0%	4
Sun 1p	Sunny	63°17° (likely 63°17° to 65°18°)	63°17°	0%	0 mph0 km/h, gusts 10 mph16 km/h	58%	0%	5
Sun 2p	Sunny	65°18° (likely 64°18° to 67°19°)	65°18°	0%	5 mph8 km/h from E, gusts 10 mph17 km/h	52%	0%	5
Sun 3p	Sunny	67°19° (likely 66°19° to 68°20°)	67°19°	0%	5 mph8 km/h from E, gusts 11 mph18 km/h	50%	0%	5
Sun 4p	Sunny	67°19° (likely 66°19° to 69°21°)	67°19°	0%	5 mph8 km/h from NE, gusts 13 mph21 km/h	49%	0%	4
Sun 5p	Sunny	68°20° (likely 66°19° to 68°20°)	68°20°	0%	5 mph8 km/h from NE, gusts 13 mph21 km/h	45%	1%	2
Sun 6p	Sunny	65°18° (likely 64°18° to 66°19°)	65°18°	0%	5 mph8 km/h from NE, gusts 11 mph18 km/h	50%	1%	1
Sun 7p	Clear	62°17° (likely 59°15° to 62°17°)	62°17°	0%	0 mph0 km/h, gusts 8 mph13 km/h	56%	34%	0
Sun 8p	Clear	59°15° (likely 55°13° to 59°15°)	59°15°	0%	0 mph0 km/h, gusts 7 mph11 km/h	62%	2%	0
Sun 9p	Clear	55°13° (likely 52°11° to 57°14°)	55°13°	0%	0 mph0 km/h, gusts 8 mph13 km/h	72%	1%	0
Sun 10p	Clear	54°12° (likely 50°10° to 56°13°)	54°12°	0%	0 mph0 km/h, gusts 8 mph13 km/h	74%	4%	0
Sun 11p	Clear	53°12° (likely 49°9° to 56°13°)	53°12°	0%	0 mph0 km/h, gusts 8 mph13 km/h	77%	4%	0
Mon 12a	Clear	53°12° (likely 49°9° to 54°12°)	53°12°	0%	0 mph0 km/h, gusts 8 mph13 km/h	77%	6%	0
Mon 1a	Clear	52°11° (likely 49°9° to 53°12°)	52°11°	0%	0 mph0 km/h, gusts 7 mph11 km/h	80%	6%	0
Mon 2a	Clear	52°11° (likely 49°9° to 52°11°)	52°11°	0%	0 mph0 km/h, gusts 5 mph8 km/h	80%	6%	0
Mon 3a	Clear	52°11° (likely 48°9° to 52°11°)	52°11°	0%	0 mph0 km/h, gusts 5 mph7 km/h	80%	41%	0
Mon 4a	Clear	51°11° (likely 47°8° to 51°11°)	51°11°	0%	0 mph0 km/h, gusts 5 mph7 km/h	83%	43%	0
Mon 5a	Mostly clear	51°11° (likely 47°8° to 51°11°)	51°11°	0%	0 mph0 km/h, gusts 5 mph8 km/h	83%	44%	0
Mon 6a	Clear	50°10° (likely 46°8° to 51°11°)	50°10°	0%	0 mph0 km/h, gusts 4 mph6 km/h	83%	4%	0
Mon 7a	Clear	50°10° (likely 45°7° to 50°10°)	50°10°	0%	0 mph0 km/h, gusts 4 mph6 km/h	80%	3%	0
Mon 8a	Sunny	50°10° (likely 44°7° to 50°10°)	50°10°	0%	0 mph0 km/h, gusts 4 mph7 km/h	80%	4%	0
Mon 9a	Sunny	51°11° (likely 46°8° to 51°11°)	51°11°	0%	0 mph0 km/h, gusts 4 mph6 km/h	77%	9%	0
Mon 10a	Sunny	55°13° (likely 54°12° to 58°14°)	55°13°	0%	0 mph0 km/h, gusts 5 mph8 km/h	72%	15%	1
Mon 11a	Sunny	60°16° (likely 58°14° to 61°16°)	60°16°	0%	0 mph0 km/h, gusts 5 mph9 km/h	67%	20%	3
Mon 12p	Sunny	63°17° (likely 61°16° to 64°18°)	63°17°	0%	0 mph0 km/h, gusts 6 mph10 km/h	58%	23%	4
Mon 1p	Sunny	65°18° (likely 64°18° to 67°19°)	65°18°	0%	0 mph0 km/h, gusts 6 mph10 km/h	54%	28%	5
Mon 2p	Mostly sunny	66°19° (likely 66°19° to 69°21°)	66°19°	0%	0 mph0 km/h, gusts 8 mph13 km/h	54%	32%	5
Mon 3p	Mostly sunny	68°20° (likely 66°19° to 70°21°)	68°20°	0%	0 mph0 km/h, gusts 8 mph13 km/h	47%	35%	5
Mon 4p	Mostly sunny	69°21° (likely 67°19° to 70°21°)	69°21°	0%	5 mph8 km/h from NE, gusts 8 mph13 km/h	45%	38%	4
Mon 5p	Mostly sunny	69°21° (likely 66°19° to 69°21°)	69°21°	0%	5 mph8 km/h from NE, gusts 8 mph13 km/h	45%	84%	2

Days ahead

Shaded: typical range for these dates (1991–2020)

Today, Oct 24. Sunny. High 67°19°, low 49°9°. Typical 71°22° / 48°9°. Dry. Forecasts agree.
1. Evening
  6 PM–midnight
  Clear, 57°14°
  Dry
2. Overnight
  midnight–6 AM
  Clear, 50°10°
  Dry
Official NWS forecast
Tonight: Mostly clear, with a low around 49. East wind around 0 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
67°19°–68°20°
Low, likely
42°6°–49°9°
Typical high / low
71°22° / 48°9°
Wind
7 mph11 km/h, gusts 17 mph27 km/h
UV peak
5
Tomorrow, Oct 25. Sunny. High 68°20°, low 50°10°. Typical 71°22° / 47°8°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 68°20°
  Dry
3. Evening
  6 PM–midnight
  Clear, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 51°11°
  Dry
Official NWS forecast
Day: Sunny, with a high near 68. East wind 0 to 5 mph.
Night: Clear, with a low around 50. Northeast wind 0 to 5 mph.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
66°19°–69°21°
Low, likely
44°7°–50°10°
Typical high / low
71°22° / 47°8°
Wind
8 mph13 km/h, gusts 16 mph26 km/h
UV peak
5
Monday, Oct 26. Cloudy. High 69°21°, low 50°10°. Typical 70°21° / 47°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 50°10°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 69°21°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 48°9°
  Dry
Official NWS forecast
Day: Sunny, with a high near 69. Northeast wind 0 to 5 mph.
Night: Partly cloudy, with a low around 50. North wind around 0 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
67°19°–70°21°
Low, likely
44°7°–50°10°
Typical high / low
70°21° / 47°8°
Wind
7 mph11 km/h, gusts 15 mph23 km/h
UV peak
5
Tuesday, Oct 27. Cloudy. High 71°22°, low 53°12°. Typical 70°21° / 47°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Sunny, 46°8°
  Dry
2. Afternoon
  noon–6 PM
  Mostly sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 58°14°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 51°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 71. Northeast wind around 0 mph.
Night: Partly cloudy, with a low around 53. Southeast wind around 0 mph.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
69°21°–72°22°
Low, likely
44°7°–53°12°
Typical high / low
70°21° / 47°8°
Wind
4 mph7 km/h, gusts 13 mph21 km/h
UV peak
5
Wednesday, Oct 28. Cloudy. High 69°21°, low 51°11°. Typical 69°21° / 46°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 49°9°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 67°19°
  Dry
3. Evening
  6 PM–midnight
  Partly cloudy, 57°14°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 50°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 69.
Night: Partly cloudy, with a low around 51.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
66°19°–69°21°
Low, likely
47°8°–51°11°
Typical high / low
69°21° / 46°8°
Wind
6 mph9 km/h, gusts 16 mph26 km/h
UV peak
5
Thursday, Oct 29. Cloudy. High 71°22°, low 52°11°. Typical 69°21° / 46°8°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 48°9°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 70°21°
  Dry
3. Evening
  6 PM–midnight
  Clear, 59°15°
  Dry
4. Overnight
  midnight–6 AM
  Clear, 51°10°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 71.
Night: Mostly clear, with a low around 52.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
69°21°–72°22°
Low, likely
47°8°–52°11°
Typical high / low
69°21° / 46°8°
Wind
4 mph7 km/h, gusts 14 mph23 km/h
UV peak
5
Friday, Oct 30. Mostly sunny. High 73°23°, low 56°13°. Typical 68°20° / 45°7°. Dry. Forecasts agree.
1. Morning
  6 AM–noon
  Sunny, 49°10°
  Dry
2. Afternoon
  noon–6 PM
  Sunny, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Clear, 61°16°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 55°13°
  Dry
Hours this far out come from computer models only.
Official NWS forecast
Day: Sunny, with a high near 73.
Night: Partly cloudy, with a low around 56.
Forecasts agreeIndependent forecasts are close; the range is narrow.
High, likely
72°22°–74°23°
Low, likely
47°8°–56°13°
Typical high / low
68°20° / 45°7°
Wind
6 mph9 km/h, gusts 15 mph24 km/h
UV peak
5
Saturday, Oct 31. Mostly cloudy. High 73°23°, low 55°13°. Typical 68°20° / 45°7°. Dry. Mostly agree.
1. Morning
  6 AM–noon
  Partly sunny, 55°13°
  Dry
2. Afternoon
  noon–6 PM
  Cloudy, 72°22°
  Dry
3. Evening
  6 PM–midnight
  Cloudy, 64°18°
  Dry
4. Overnight
  midnight–6 AM
  Cloudy, 60°16°
  30% chance
Hours this far out come from computer models only.
Official NWS forecast
Day: Partly sunny, with a high near 73.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
69°21°–74°23°
Low, likely
51°11°–57°14°
Typical high / low
68°20° / 45°7°
Wind
7 mph11 km/h, gusts 20 mph32 km/h
UV peak
4
Sunday, Nov 1. Drizzle. High 71°22°, low 59°15°. Typical 68°20° / 45°7°. Rain 0.07 in1.8 mm, 30% chance. Mostly agree.
1. Morning
  6 AM–noon
  Cloudy, 60°15°
  30% chance
2. Afternoon
  noon–6 PM
  Partly sunny, 71°22°
  30% chance
3. Evening
  6 PM–midnight
  Drizzle, 65°18°
  30% chance · 0.02 in0.6 mm
4. Overnight
  midnight–6 AM
  Rain, 60°16°
  30% chance · 0.27 in6.9 mm
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Mostly agreeIndependent forecasts are fairly close; small surprises are possible.
High, likely
69°21°–73°23°
Low, likely
51°11°–67°19°
Typical high / low
68°20° / 45°7°
Wind
11 mph17 km/h, gusts 28 mph44 km/h
UV peak
4
Monday, Nov 2. Showers. High 69°21°, low 52°11°. Typical 67°19° / 44°7°. Rain 0.5 in13 mm, 30% chance. Forecasts differ.
1. Morning
  6 AM–noon
  Rain, 60°15°
  30% chance · 0.34 in8.6 mm
2. Afternoon
  noon–6 PM
  Fog, 64°18°
  30% chance
3. Evening
  6 PM–midnight
  Partly cloudy, 53°12°
  30% chance
Hours this far out come from computer models only.
The National Weather Service writes about seven days ahead; this day is our model forecast only.
Forecasts differIndependent forecasts disagree; expect changes and plan for the range.
High, likely
60°16°–75°24°
Low, likely
42°6°–62°17°
Typical high / low
67°19° / 44°7°
Wind
18 mph29 km/h, gusts 39 mph63 km/h
UV peak
4

10 days15 days30 days

The outlook

Today
Dry, high 67°, low 49°.
Tomorrow
Dry, high 68°, low 50°.
Monday
Dry, high 69°, low 50°.
Rest of week
Mostly dry, highs 69–73°.

Want the meteorologists’ reasoning? Read the NWS forecast discussion (MRX) (opens in a new tab)

What changed since yesterday

No meaningful changes from yesterday’s forecast.

Radar

Radar data: NOAA MRMS, rendered by forecast.blue

Radar loads when scrolled into view

Full-screen radar

Rivers

NOAA river gauges within 25 mi

Tennessee River at Chattanooga

6.4 mi

Below flood stage

Level: 633 ft
Flow: 36,900 cfs

Forecast peak 634 ft Sat 7 PM

Reading from Sat 4 PM · NWS gauge page

Sequatchie River near Whitwell

9.8 mi

Below flood stage

Level: 0.7 ft
Flow: 59 cfs

Forecast peak 0.7 ft Sat 8 PM

Reading from Sat 4:15 PM · NWS gauge page

S. Chickamauga Creek near Chickamauga

12 mi

Below flood stage

Level: 3.9 ft
Flow: 80 cfs

Forecast peak 3.9 ft Sat 8 PM

Reading from Sat 5:15 PM · NWS gauge page

Mountain Creek (TN) near Red Bank

2.7 mi

Below flood stage

Level: 1.6 ft
Flow: under 1 cfs

Reading from Sat 4 PM · NWS gauge page

For your home

What this week’s weather means for heating, cooling, pipes and fresh air.

Heating this week

About 65% less heating than a typical week.

This week 17Typical 48

Heating degree days, base 65°F

Comfort

Dry air outside (dew point 45°F).

Open the windows?

Sun, 12:00 PM–7:00 PM

Good stretch to open the windows.

Is this typical?

Chattanooga Airport · official normals 1991–2020 · records 1879–2026

Oct 24, today vs a typical year

Today’s expected high is 4°2° colder than typical.

Last 7 days vs normal

On average 2°1° colder than normal (daily mean temperature).

−4°−2°SunOct 18
−5°−3°MonOct 19
−2°−1°TueOct 20
±0°WedOct 21
−1°ThuOct 22
+2°+1°FriOct 23
—SatOct 24

Signal Mountain weather by month: normals, records, snow and freeze dates

Sun & moon

Sun

Daylight: 11 h 0 min; Losing 2 min 2 s a day; shortest Dec 21, 1 h 13 min less
Golden hour: 6:20–7:11 PM; Morning 7:39–8:30 AM
Blue hour: 7:11–7:21 PM; Morning 7:29–7:39 AM; first light 7:29 AM

Stars tonight? Fair

Clear 7:21 PM–7:30 AM, but the moon is 99% lit and up.

Moon

Waxing gibbous

98% lit · growing

Today: sets 6:11 AM · rises 5:51 PM
Full moon: Oct 26
New moon: Nov 9

Looking northwest from Signal Mountain. The highest point on the skyline is about 2,400 ft, 7 mi away.Skyline from USGS elevation data, heights drawn up to 6× taller. Sky, sun and moon as they are now.

Signal Mountain, TN weather

Next 2 hours

Next 48 hours

Days ahead

The outlook

Today

Tomorrow

Monday

Rest of week

What changed since yesterday

Radar

Rivers

Tennessee River at Chattanooga

Sequatchie River near Whitwell

S. Chickamauga Creek near Chickamauga

Mountain Creek (TN) near Red Bank

For your home

Heating this week

Comfort

Open the windows?

Is this typical?

Oct 24, today vs a typical year

Last 7 days vs normal

Sun & moon

Sun

Stars tonight? Fair

Moon