Early Season Heat Wave in Texas; Thunderstorm and Heavy Rainfall in the Mid-Atlantic and Northern/Central Plains

An early season heat wave will bring record-breaking temperatures to parts of Texas through this weekend into next week. Thunderstorms and flooding in the Mid-Atlantic region will continue overnight into Wednesday. Severe thunderstorms and heavy rainfall are possible over parts of the Dakotas and Nebraska Wednesday. Elevated to critical fire conditions continue in the Southern Plains. 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

65°F

18°C

Humidity	84%
Wind Speed	SW 5 mph
Barometer	29.82 in (1008.9 mb)
Dewpoint	60°F (16°C)
Visibility	10.00 mi
Last update	13 May 9:53 pm EDT

More Information:

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

Extended Forecast for

2 Miles SSW Maryville TN

Tonight
Low: 59 °F
Chance
T-storms then
Chance
Showers and
Patchy Fog
Wednesday
High: 78 °F
Chance
Showers and
Patchy Fog
then Chance
T-storms
Wednesday Night
Low: 64 °F
Chance
T-storms then
Chance
Showers
Thursday
High: 85 °F
Slight Chance
Showers then
Mostly Sunny
Thursday Night
Low: 70 °F
Mostly Cloudy
Friday
High: 86 °F
Chance
Showers
Friday Night
Low: 68 °F
Chance
T-storms then
Showers
Likely
Saturday
High: 82 °F
Showers
Likely
Saturday Night
Low: 64 °F
Chance
T-storms then
Chance
Showers

Detailed Forecast

Tonight

A chance of showers and thunderstorms. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 59. South wind around 5 mph becoming calm. Chance of precipitation is 40%.

Wednesday

A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 78. Light southwest wind increasing to 5 to 10 mph in the afternoon. Chance of precipitation is 40%.

Wednesday Night

A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 64. South wind around 5 mph. Chance of precipitation is 30%.

Thursday

A 10 percent chance of showers before 8am. Mostly sunny, with a high near 85. Southwest wind 5 to 10 mph, with gusts as high as 20 mph.

Thursday Night

Mostly cloudy, with a low around 70. Southwest wind around 10 mph.

Friday

A chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 86. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

Friday Night

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2am. Mostly cloudy, with a low around 68. Southwest wind around 10 mph. Chance of precipitation is 70%.

Saturday

Showers likely and possibly a thunderstorm before 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 82. Chance of precipitation is 70%.

Saturday Night

A 30 percent chance of showers and thunderstorms, mainly after 2am. Mostly cloudy, with a low around 64.

Sunday

A 40 percent chance of showers. Mostly cloudy, with a high near 80.

Sunday Night

A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.

Monday

A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.

Monday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 64.

Tuesday

A 30 percent chance of showers. Partly sunny, with a high near 86.