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.

Mostly Cloudy

76°F

24°C

Humidity	85%
Wind Speed	Calm
Barometer	30.01 in (1015.0 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Heat Index	77°F (25°C)
Last update	26 Jul 12:53 am EDT

More Information:

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

Extended Forecast for

2 Miles NNW Seymour TN

Overnight
Low: 70 °F
Showers
Sunday
High: 86 °F
Showers
Likely then
Chance
T-storms
Sunday Night
Low: 71 °F
Slight Chance
T-storms then
Partly Cloudy
Monday
High: 88 °F
Slight Chance
Showers then
Slight Chance
T-storms
Monday Night
Low: 73 °F
Slight Chance
T-storms
Tuesday
High: 90 °F
Slight Chance
T-storms then
Chance
T-storms
Tuesday Night
Low: 72 °F
Chance
T-storms
Wednesday
High: 86 °F
Slight Chance
Showers then
Slight Chance
T-storms
Wednesday Night
Low: 67 °F
Mostly Clear

Detailed Forecast

Overnight

Showers and thunderstorms likely, then showers and possibly a thunderstorm after 3am. Low around 70. Calm wind. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

Showers and thunderstorms likely, mainly before 1pm. Partly sunny, with a high near 86. Calm wind becoming northwest around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 20%.

Monday

A slight chance of showers, with thunderstorms also possible after 2pm. Mostly cloudy, then gradually becoming sunny, with a high near 88. Heat index values as high as 95. Calm wind. Chance of precipitation is 20%.

Monday Night

A slight chance of thunderstorms before 2am, then a slight chance of showers between 2am and 5am, then a slight chance of showers and thunderstorms after 5am. Partly cloudy, with a low around 73. Southwest wind around 5 mph. Chance of precipitation is 20%.

Tuesday

A slight chance of showers and thunderstorms before 8am, then a chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 90. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.

Tuesday Night

A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 72. Southwest wind 5 to 10 mph. Chance of precipitation is 50%.

Wednesday

A slight chance of showers, with thunderstorms also possible after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 20%.

Wednesday Night

Mostly clear, with a low around 67.

Thursday

Sunny, with a high near 85.

Thursday Night

Mostly clear, with a low around 66.

Friday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.

Friday Night

A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 68.