Extreme Heat and Tropical Storm Bertha Impacts

Dangerous heat will expand from the Gulf Coast into the Southern Plains and Desert Southwest through week's end. Additional extreme heat impacting the Pacific Northwest will shift to the northern Plains by the weekend. Tropical Storm Bertha is expected to continue to impact portions of the northern Gulf Coast from the western Florida Panhandle to southeastern Louisiana through tonight. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Fog/Mist

75°F

24°C

Humidity	96%
Wind Speed	N 7 mph
Barometer	30.01 in (1014.9 mb)
Dewpoint	74°F (23°C)
Visibility	3.00 mi
Last update	23 Jul 12:53 am EDT

More Information:

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

Extended Forecast for

Knoxville, McGhee Tyson Airport TN

Flood Watch July 23, 01:38am until July 23, 02:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch July 23, 01:38am until July 23, 02:00pm
NOW until 2:00pm Thu
Flood Watch
Overnight
Low: 68 °F
Showers
Thursday
High: 84 °F
Showers
Likely then
Slight Chance
T-storms
Thursday Night
Low: 69 °F
Increasing
Clouds
Friday
High: 85 °F
Slight Chance
Showers then
Chance
T-storms
Friday Night
Low: 71 °F
Chance
T-storms then
Chance
Showers
Saturday
High: 84 °F
Showers
Likely then
T-storms
Likely
Saturday Night
Low: 71 °F
T-storms
Likely then
Chance
Showers
Sunday
High: 88 °F
Chance
Showers then
Chance
T-storms

Detailed Forecast

Overnight

Showers and possibly a thunderstorm before 4am, then a chance of showers and thunderstorms between 4am and 5am, then showers likely and possibly a thunderstorm after 5am. Low around 68. Northeast wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday

Showers and thunderstorms likely, mainly before noon. Partly sunny, with a high near 84. Northeast wind 5 to 10 mph becoming west in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Increasing clouds, with a low around 69. West wind around 5 mph becoming calm in the evening.

Friday

A slight chance of showers before 8am, then a chance of showers and thunderstorms after noon. Mostly cloudy, with a high near 85. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 50%.

Friday Night

A chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%.

Saturday

Showers likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then showers and thunderstorms likely after 2pm. Mostly cloudy, with a high near 84. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 70%.

Saturday Night

Showers and thunderstorms likely before 2am, then a chance of showers. Mostly cloudy, with a low around 71. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%.

Sunday

A chance of showers, with thunderstorms also possible after 8am. Partly sunny, with a high near 88. Chance of precipitation is 30%.

Sunday Night

A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 72. Chance of precipitation is 30%.

Monday

Mostly sunny and hot, with a high near 90.

Monday Night

A 30 percent chance of showers. Partly cloudy, with a low around 73.

Tuesday

A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.

Tuesday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.

Wednesday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.