Severe Weather in the Plains; Heavy Rainfall in the Ohio and Tennessee Valleys; Heat Wave in the Central U.S.

Numerous severe storms with a potential for severe wind gusts, tornadoes (some potentially strong), and very large hail are expected in parts of the central and northern Plains. Heavy rainfall may bring a flooding threat to parts of the northern Plains and from the Ohio Valley to the Southeast. Fire weather concerns persist in the Four Corners Region. Hot and humid expected in the central U.S.. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Overcast

72°F

22°C

Humidity	94%
Wind Speed	SW 7 mph
Barometer	30.21 in (1022.2 mb)
Dewpoint	70°F (21°C)
Visibility	10.00 mi
Last update	9 Jun 8:53 am EDT

More Information:

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

Extended Forecast for

Alcoa TN

Today
High: 86 °F
T-storms
Likely
Tonight
Low: 70 °F
Chance
T-storms then
Mostly Cloudy
Wednesday
High: 89 °F
Chance
T-storms
Wednesday Night
Low: 71 °F
Slight Chance
T-storms then
Mostly Clear
Thursday
High: 91 °F
Sunny then
Slight Chance
T-storms
Thursday Night
Low: 72 °F
Slight Chance
T-storms then
Mostly Clear
Friday
High: 91 °F
Chance
Showers then
Showers
Likely
Friday Night
Low: 69 °F
Showers
Likely then
Chance
T-storms
Saturday
High: 87 °F
Slight Chance
Showers then
Slight Chance
T-storms

Detailed Forecast

Today

A chance of showers, then showers and thunderstorms likely after 11am. Partly sunny, with a high near 86. Light south wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tonight

A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Mostly cloudy, with a low around 70. Southwest wind around 5 mph. Chance of precipitation is 30%.

Wednesday

A 50 percent chance of showers and thunderstorms, mainly after 2pm. Partly sunny, with a high near 89. Heat index values as high as 98. Southwest wind 5 to 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Wednesday Night

A 10 percent chance of showers and thunderstorms before 7pm. Mostly clear, with a low around 71. South wind around 5 mph.

Thursday

A 20 percent chance of showers and thunderstorms after 2pm. Sunny and hot, with a high near 91. Calm wind becoming southwest around 5 mph in the morning.

Thursday Night

A 10 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 72. Southwest wind around 5 mph.

Friday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny and hot, with a high near 91. West wind 5 to 10 mph. 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 69. Chance of precipitation is 60%.

Saturday

A slight chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 87. Chance of precipitation is 20%.

Saturday Night

A slight chance of thunderstorms before 8pm, then a slight chance of showers after 2am. Partly cloudy, with a low around 66. Chance of precipitation is 20%.

Sunday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.

Sunday Night

Showers and thunderstorms likely. Mostly cloudy, with a low around 68. Chance of precipitation is 60%.

Monday

Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 84. Chance of precipitation is 70%.