Thunderstorms from the Plains into the Central Appalachians; Heavy Rain in the Central Gulf Coast; Heat Across Portions of the East

Widespread showers and thunderstorms are likely from from northeast New Mexico/Southeast Colorado, eastward into the Central Plains through the Central Appalachians. Slow moving low to bring heavy rainfall to the Central Gulf Coast into the weekend. Dangerous heat is expected from the Lower Mississippi Valley, Tennessee Valley, Ohio Valley into the Mid-Atlantic and Northeast. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Knoxville Downtown Airport (KDKX)

Lat: 35.97°NLon: 83.87°WElev: 827ft.

Fair

79°F

26°C

Humidity	89%
Wind Speed	Calm
Barometer	30.05 in
Dewpoint	75°F (24°C)
Visibility	10.00 mi
Heat Index	83°F (28°C)
Last update	16 Jul 11:55 pm EDT

More Information:

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

Extended Forecast for

Knoxville TN

Overnight
Low: 75 °F
Slight Chance
T-storms
Thursday
High: 94 °F
Chance
Showers then
Chance
T-storms
Thursday Night
Low: 74 °F
Chance
T-storms
Friday
High: 92 °F
Chance
T-storms then
T-storms
Likely
Friday Night
Low: 74 °F
Showers
Likely then
Chance
Showers
Saturday
High: 90 °F
Chance
T-storms then
T-storms
Likely
Saturday Night
Low: 73 °F
Showers
Likely then
Chance
T-storms
Sunday
High: 91 °F
Slight Chance
T-storms then
T-storms
Likely
Sunday Night
Low: 74 °F
T-storms
Likely then
Chance
Showers

Detailed Forecast

Overnight

A 20 percent chance of showers and thunderstorms before 3am. Partly cloudy, with a low around 75. Calm wind becoming southwest around 5 mph.

Thursday

A chance of showers and thunderstorms before 1pm, then a chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 94. Heat index values as high as 101. Southwest wind around 5 mph. Chance of precipitation is 40%.

Thursday Night

A chance of showers and thunderstorms before 5am, then a slight chance of showers. Partly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

Friday

Showers and thunderstorms likely, mainly between 2pm and 5pm, then showers likely and possibly a thunderstorm after 5pm. Partly sunny and hot, with a high near 92. Heat index values as high as 98. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%.

Friday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 74. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%.

Saturday

A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny and hot, with a high near 90. Calm wind becoming southwest around 5 mph in the morning. Chance of precipitation is 70%.

Saturday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers and thunderstorms between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 73. Southwest wind around 5 mph. Chance of precipitation is 60%.

Sunday

A slight chance of showers, then showers and thunderstorms likely after 8am. Mostly sunny and hot, with a high near 91. Chance of precipitation is 60%.

Sunday Night

Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 74. Chance of precipitation is 60%.

Monday

Showers and thunderstorms likely, mainly after 2pm. Partly sunny and hot, with a high near 91. Chance of precipitation is 60%.

Monday Night

Showers and thunderstorms likely. Partly cloudy, with a low around 73. Chance of precipitation is 60%.

Tuesday

A 50 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95.

Tuesday Night

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 74.

Wednesday

A 40 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 95.