Areas of Severe Thunderstorms and Heat

Scattered severe thunderstorms and excessive rainfall are possible today in the Mid Atlantic, posing a risk for damaging winds and isolated flash flooding. Extreme Heat Warnings are in effect today for northeast Texas into southern Oklahoma and Arkansas. Extreme Heat Warnings are also in effect for the Desert Southwest today into Sunday. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Chattanooga, Lovell Field (KCHA)

Lat: 35.03°NLon: 85.2°WElev: 679ft.

Mostly Cloudy

88°F

31°C

Humidity	48%
Wind Speed	S 6 mph
Barometer	30.01 in (1015.4 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Heat Index	90°F (32°C)
Last update	20 Aug 1:53 pm EDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Signal Mountain TN

This Afternoon
High: 90 °F
Hot
Tonight
Low: 70 °F
Showers
Friday
High: 87 °F
Mostly Sunny
then Slight
Chance
T-storms
Friday Night
Low: 67 °F
Chance
T-storms then
Mostly Clear
Saturday
High: 87 °F
Sunny
Saturday Night
Low: 66 °F
Mostly Clear
Sunday
High: 86 °F
Sunny
Sunday Night
Low: 63 °F
Mostly Clear
Monday
High: 85 °F
Mostly Sunny

Detailed Forecast

This Afternoon

Mostly sunny and hot, with a high near 90. Heat index values as high as 101. West wind around 5 mph.

Tonight

Showers and thunderstorms before midnight, then showers likely and possibly a thunderstorm between midnight and 1am, then a chance of showers and thunderstorms after 1am. Low around 70. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

Friday

A slight chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 87. Calm wind becoming west around 5 mph. Chance of precipitation is 20%.

Friday Night

A 30 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 67. Northwest wind around 5 mph becoming calm.

Saturday

Sunny, with a high near 87. Calm wind becoming northwest around 5 mph in the afternoon.

Saturday Night

Mostly clear, with a low around 66. Northwest wind around 5 mph becoming calm.

Sunday

Sunny, with a high near 86. Calm wind becoming northwest around 5 mph in the afternoon.

Sunday Night

Mostly clear, with a low around 63.

Monday

Mostly sunny, with a high near 85.