Thunderstorms and Heavy Rainfall in the Plains; Hazardous Heat in the South and Southeast

Severe thunderstorms will be possible across the northern/central Plains through Tuesday afternoon and from the central Plains to the Mid-Mississippi Valley Tuesday evening through Wednesday morning. Storms may produce large hail and damaging wind gusts, and heavy rainfall may lead to scattered instances of flash flooding. Meanwhile, hazardous heat persists across the South and Southeast. Read More >

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

75°F

24°C

Humidity	90%
Wind Speed	W 6 mph
Barometer	29.98 in (1013.8 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Last update	17 Aug 8:53 pm EDT

More Information:

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

Extended Forecast for

5 Miles NNW High Rocks NC

Tonight
Low: 64 °F
Chance
T-storms then
Slight Chance
Showers and
Patchy Fog
Tuesday
High: 78 °F
Patchy Fog
then Mostly
Sunny
Tuesday Night
Low: 60 °F
Partly Cloudy
Wednesday
High: 84 °F
Sunny
Wednesday Night
Low: 64 °F
Mostly Clear
Thursday
High: 82 °F
Mostly Sunny
then Chance
T-storms
Thursday Night
Low: 63 °F
Chance
T-storms then
Mostly Cloudy
Friday
High: 79 °F
Showers
Likely
Friday Night
Low: 61 °F
Showers
Likely then
Chance
Showers

Detailed Forecast

Tonight

A chance of showers and thunderstorms before midnight, then a slight chance of showers between midnight and 1am. Patchy fog after 3am. Otherwise, mostly cloudy, with a low around 64. West southwest wind around 5 mph becoming light and variable after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday

Patchy fog before 9am. Otherwise, partly sunny, with a high near 78. North northwest wind 5 to 7 mph.

Tuesday Night

Partly cloudy, with a low around 60. North wind around 6 mph becoming east northeast after midnight.

Wednesday

Sunny, with a high near 84. East wind around 5 mph becoming calm.

Wednesday Night

Mostly clear, with a low around 64. Light and variable wind.

Thursday

A 30 percent chance of showers and thunderstorms, mainly after 3pm. Mostly sunny, with a high near 82.

Thursday Night

A 30 percent chance of showers and thunderstorms before 8pm. Mostly cloudy, with a low around 63.

Friday

A chance of showers, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 70%.

Friday Night

Showers likely and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 61. Chance of precipitation is 60%.

Saturday

A chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 77. Chance of precipitation is 40%.

Saturday Night

A chance of thunderstorms. Partly cloudy, with a low around 60. Chance of precipitation is 30%.

Sunday

Mostly sunny, with a high near 76.

Sunday Night

Mostly clear, with a low around 58.

Monday

Mostly sunny, with a high near 76.