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	90%
Wind Speed	SW 10 mph
Barometer	29.97 in (1013.7 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Last update	26 Jul 2:53 am EDT

More Information:

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

Extended Forecast for

Townsend TN

Overnight
Low: 68 °F
Showers
Likely
Sunday
High: 89 °F
Showers
Likely then
Partly Sunny
Sunday Night
Low: 69 °F
Partly Cloudy
Monday
High: 91 °F
Partly Sunny
then Chance
T-storms
Monday Night
Low: 72 °F
Partly Cloudy
then Slight
Chance
T-storms
Tuesday
High: 93 °F
Slight Chance
T-storms then
Showers
Likely
Tuesday Night
Low: 70 °F
Showers
Likely
Wednesday
High: 88 °F
Chance
Showers
Wednesday Night
Low: 64 °F
Mostly Clear

Detailed Forecast

Overnight

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

Showers and thunderstorms likely, mainly before 11am. Cloudy, then gradually becoming mostly sunny, with a high near 89. Heat index values as high as 97. Calm wind becoming north around 5 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday Night

Partly cloudy, with a low around 69. Calm wind.

Monday

A 30 percent chance of showers and thunderstorms, mainly between 2pm and 3pm. Mostly sunny and hot, with a high near 91. Heat index values as high as 99. Calm wind becoming northwest around 5 mph.

Monday Night

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 72. Calm wind. Chance of precipitation is 20%.

Tuesday

A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny and hot, with a high near 93. South wind 5 to 15 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

Tuesday Night

Showers likely and possibly a thunderstorm before 2am, then a slight chance of showers. Mostly cloudy, with a low around 70. West wind around 5 mph becoming calm in the evening. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

Wednesday

A 30 percent chance of showers, mainly between 8am and 2pm. Mostly sunny, with a high near 88.

Wednesday Night

Mostly clear, with a low around 64.

Thursday

Sunny, with a high near 87.

Thursday Night

Mostly clear, with a low around 64.

Friday

A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.

Friday Night

A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.