Strong Storms and Heavy Rainfall Threats; Dangerous Heat for Southern Plains into the Southwest

Thunderstorms, some severe, will impact areas of the Plains into the Midwest today. Rainfall can be locally heavy as well from these storms with isolated instances of flash flooding. Monsoonal flow will enhance rainfall across the Four Corners into the central Rockies today. Meanwhile, summer heat continues for the southern Plains, Southwest into southern California. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

A Few Clouds

85°F

29°C

Humidity	40%
Wind Speed	Vrbl 3 mph
Barometer	30.03 in (1015.8 mb)
Dewpoint	58°F (14°C)
Visibility	10.00 mi
Heat Index	84°F (29°C)
Last update	25 Aug 5:53 pm EDT

More Information:

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

Extended Forecast for

4 Miles ESE Karns TN

Tonight
Low: 64 °F
Mostly Clear
Wednesday
High: 91 °F
Hot
Wednesday Night
Low: 69 °F
Partly Cloudy
Thursday
High: 89 °F
Slight Chance
T-storms then
Chance
T-storms
Thursday Night
Low: 70 °F
Showers
Likely
Friday
High: 88 °F
Slight Chance
T-storms then
Showers
Likely
Friday Night
Low: 67 °F
Showers
Likely then
Partly Cloudy
Saturday
High: 90 °F
Slight Chance
Showers then
Slight Chance
T-storms
Saturday Night
Low: 67 °F
Partly Cloudy

Detailed Forecast

Tonight

Mostly clear, with a low around 64. Calm wind.

Wednesday

Mostly sunny and hot, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.

Wednesday Night

Partly cloudy, with a low around 69. Calm wind.

Thursday

A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 89. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 50%.

Thursday Night

A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a slight chance of showers after 2am. Mostly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%.

Friday

A slight chance of showers before 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 88. Calm wind. Chance of precipitation is 60%.

Friday Night

Showers likely and possibly a thunderstorm before 8pm. Partly cloudy, with a low around 67. Northeast wind around 5 mph becoming calm. Chance of precipitation is 60%.

Saturday

A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny and hot, with a high near 90. Chance of precipitation is 20%.

Saturday Night

Partly cloudy, with a low around 67.

Sunday

Mostly sunny and hot, with a high near 91.

Sunday Night

Partly cloudy, with a low around 70.

Monday

A 20 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 92.

Monday Night

Partly cloudy, with a low around 71.