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

81°F

27°C

Humidity	74%
Wind Speed	SW 8 mph
Barometer	29.76 in (1006.5 mb)
Dewpoint	72°F (22°C)
Visibility	10.00 mi
Heat Index	85°F (29°C)
Last update	2 Aug 11:53 am EDT

More Information:

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

Extended Forecast for

4 Miles SSW Knoxville TN

This Afternoon
High: 85 °F
Chance
Showers
Tonight
Low: 70 °F
Chance
Showers then
Partly Cloudy
Monday
High: 85 °F
Slight Chance
T-storms then
Chance
T-storms
Monday Night
Low: 70 °F
Showers
Likely then
Partly Cloudy
Tuesday
High: 86 °F
Chance
T-storms then
Showers
Likely
Tuesday Night
Low: 70 °F
Showers
Likely then
Partly Cloudy
Wednesday
High: 87 °F
Chance
Showers then
Showers
Likely
Wednesday Night
Low: 71 °F
Showers
Likely then
Slight Chance
T-storms
Thursday
High: 89 °F
Chance
T-storms

Detailed Forecast

This Afternoon

A chance of showers and thunderstorms before 5pm, then a slight chance of showers. Partly sunny, with a high near 85. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

Tonight

A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 70. West wind around 5 mph becoming calm in the evening.

Monday

A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 85. Calm wind becoming west around 5 mph. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday Night

A chance of showers and thunderstorms before 7pm, then showers likely and possibly a thunderstorm between 7pm and 8pm. Partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%.

Tuesday

A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers likely and possibly a thunderstorm after 2pm. Partly sunny, with a high near 86. Calm wind. Chance of precipitation is 60%.

Tuesday Night

Showers likely before 8pm. Partly cloudy, with a low around 70. Calm wind. Chance of precipitation is 60%.

Wednesday

A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 2pm. Mostly sunny, with a high near 87. Calm wind becoming southwest around 5 mph. Chance of precipitation is 60%.

Wednesday Night

Showers likely and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Partly cloudy, with a low around 71. Chance of precipitation is 60%.

Thursday

A 30 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 89.

Thursday Night

A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 72.

Friday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.

Friday Night

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

Saturday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.