Heat Builds in the West; Extremely Critical Fire Weather in the Northwest

A heat wave over the Southwest will intensify this week, peaking and expanding into the Intermountain West and northern High Plains this weekend. Critical to extremely critical fire weather conditions are forecast from the Northwest and the northern Great Basin this weekend. Particularly Dangerous Situation Red Flag Warnings have been issued. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Partly Cloudy

70°F

21°C

Humidity	93%
Wind Speed	NE 3 mph
Barometer	29.87 in (1010.2 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Last update	1 Aug 5:53 am EDT

More Information:

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

Extended Forecast for

4 Miles S Maryville TN

Today
High: 87 °F
Showers
Likely
Tonight
Low: 72 °F
Showers
Sunday
High: 86 °F
Showers
Likely
Sunday Night
Low: 70 °F
Chance
T-storms then
Chance
Showers
Monday
High: 83 °F
Chance
T-storms then
Showers
Likely
Monday Night
Low: 68 °F
Showers
Likely then
Slight Chance
Showers
Tuesday
High: 85 °F
Chance
Showers then
Chance
T-storms
Tuesday Night
Low: 70 °F
Chance
T-storms
Wednesday
High: 87 °F
Slight Chance
Showers then
Chance
T-storms

Detailed Forecast

Today

Showers and thunderstorms likely, mainly before 2pm. Cloudy, then gradually becoming mostly sunny, with a high near 87. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

Showers and thunderstorms before 2am, then a chance of showers. Low around 72. South wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Sunday

A chance of showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 86. Southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday Night

A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Partly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 40%.

Monday

A slight chance of thunderstorms before 8am, then a chance of showers and thunderstorms between 8am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 83. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%.

Monday Night

Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Partly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%.

Tuesday

A slight chance of thunderstorms, then a chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 85. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 50%.

Tuesday Night

A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 70.

Wednesday

A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 87. Chance of precipitation is 40%.

Wednesday Night

A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 71.

Thursday

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

Thursday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 72.

Friday

A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.