Excessive Rainfall Potential for the Southeast; Heat Expands for Center of the Nation; Critical Fire Weather for Pacific Northwest

Flash flooding threatens areas from the Tennessee Valley to the Carolinas as storms repeat along a stalled front. Monsoonal storms may trigger flooding in the Southwest. Dangerous heat expands across the Desert Southwest, Plains, mid-Mississippi Valley and Southern Tier. Critical fire weather for interior Pacific Northwest. Cooler, drier air brings brief relief to the Great Lakes and Northeast. 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

75°F

24°C

Humidity	71%
Wind Speed	S 8 mph
Barometer	30.13 in (1019.2 mb)
Dewpoint	65°F (18°C)
Visibility	10.00 mi
Last update	25 Jul 12:53 pm EDT

More Information:

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

Extended Forecast for

2 Miles SW Alcoa TN

This Afternoon
High: 84 °F
Slight Chance
T-storms
Tonight
Low: 71 °F
Chance
Showers
Sunday
High: 88 °F
Chance
Showers then
Chance
T-storms
Sunday Night
Low: 70 °F
Partly Cloudy
Monday
High: 90 °F
Hot
Monday Night
Low: 73 °F
Partly Cloudy
Tuesday
High: 92 °F
Mostly Sunny
then Chance
T-storms
Tuesday Night
Low: 72 °F
Chance
T-storms then
Chance
Showers
Wednesday
High: 88 °F
Mostly Sunny

Detailed Forecast

This Afternoon

A 20 percent chance of showers and thunderstorms before 3pm. Partly sunny, with a high near 84. Calm wind.

Tonight

A chance of showers and thunderstorms. Increasing clouds, with a low around 71. Calm wind. Chance of precipitation is 40%.

Sunday

A chance of showers and thunderstorms before 4pm, then a slight chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 88. Heat index values as high as 95. Calm wind becoming northwest around 5 mph. Chance of precipitation is 30%.

Sunday Night

Partly cloudy, with a low around 70. Calm wind.

Monday

Mostly sunny and hot, with a high near 90. Calm wind.

Monday Night

Partly cloudy, with a low around 73. Calm wind becoming south around 5 mph.

Tuesday

A 30 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 92. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

Tuesday Night

A 40 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 72.

Wednesday

Mostly sunny, with a high near 88.

Wednesday Night

Mostly clear, with a low around 68.

Thursday

Sunny, with a high near 88.

Thursday Night

Partly cloudy, with a low around 68.

Friday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.