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

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

83°F

28°C

Humidity	53%
Wind Speed	NW 3 mph
Barometer	30.02 in (1015.3 mb)
Dewpoint	64°F (18°C)
Visibility	10.00 mi
Heat Index	84°F (29°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

3 Miles NW Rockford TN

This Afternoon
High: 91 °F
Chance
T-storms
Tonight
Low: 70 °F
Showers then
Chance
T-storms
Friday
High: 89 °F
Slight Chance
Showers then
Slight Chance
T-storms
Friday Night
Low: 68 °F
Slight Chance
T-storms then
Partly Cloudy
Saturday
High: 89 °F
Mostly Sunny
Saturday Night
Low: 67 °F
Mostly Clear
Sunday
High: 87 °F
Sunny
Sunday Night
Low: 63 °F
Mostly Clear
Monday
High: 87 °F
Sunny

Detailed Forecast

This Afternoon

A 30 percent chance of showers and thunderstorms, mainly before 5pm. Partly sunny and hot, with a high near 91. Heat index values as high as 102. West wind around 5 mph.

Tonight

Showers and thunderstorms before 2am, then a chance of showers. Low around 70. Southwest wind around 5 mph becoming calm. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday

A slight chance of showers before 2pm, then a slight chance of showers and thunderstorms between 2pm and 4pm. Mostly cloudy, then gradually becoming sunny, with a high near 89. Heat index values as high as 97. Calm wind becoming west around 5 mph. Chance of precipitation is 20%.

Friday Night

A 10 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 68. North wind around 5 mph becoming calm.

Saturday

Mostly sunny, with a high near 89. Calm wind becoming west around 5 mph.

Saturday Night

Mostly clear, with a low around 67. West wind around 5 mph becoming calm.

Sunday

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

Sunday Night

Mostly clear, with a low around 63.

Monday

Sunny, with a high near 87.