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.

Mostly Cloudy

74°F

23°C

Humidity	85%
Wind Speed	SW 12 mph
Barometer	29.76 in (1006.7 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Last update	1 Aug 11:53 pm EDT

More Information:

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

Extended Forecast for

3 Miles SE Karns TN

Overnight
Low: 71 °F
Showers
Sunday
High: 84 °F
Chance
Showers then
Chance
T-storms
Sunday Night
Low: 69 °F
Chance
T-storms then
Chance
Showers
Monday
High: 84 °F
Chance
T-storms then
T-storms
Likely
Monday Night
Low: 69 °F
T-storms
Likely then
Slight Chance
Showers
Tuesday
High: 84 °F
Chance
T-storms then
T-storms
Likely
Tuesday Night
Low: 69 °F
T-storms
Likely then
Slight Chance
T-storms
Wednesday
High: 86 °F
Chance
T-storms
Wednesday Night
Low: 70 °F
Slight Chance
T-storms

Detailed Forecast

Overnight

Showers and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms between 2am and 5am, then a slight chance of showers after 5am. Low around 71. South wind around 5 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 slight chance of showers between 9am and 11am, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 84. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

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 69. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

Monday

Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 84. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 70%.

Monday Night

Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm. Chance of precipitation is 60%.

Tuesday

A chance of showers, then showers and thunderstorms likely after 11am. Mostly sunny, with a high near 84. Calm wind becoming southwest around 5 mph. Chance of precipitation is 70%.

Tuesday Night

Showers and thunderstorms likely, mainly before 8pm. Partly cloudy, with a low around 69. Calm wind. Chance of precipitation is 60%.

Wednesday

A 50 percent chance of showers and thunderstorms after 8am. Mostly sunny, with a high near 86.

Wednesday Night

A 20 percent chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 70.

Thursday

A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 87.

Thursday Night

A 10 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.

Friday

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