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 NNW Tallassee TN

Tonight
Low: 71 °F
Showers
Likely
Sunday
High: 82 °F
Chance
Showers then
Chance
T-storms
Sunday Night
Low: 69 °F
Chance
T-storms then
Slight Chance
Showers
Monday
High: 81 °F
Showers
Likely then
T-storms
Monday Night
Low: 68 °F
T-storms then
Slight Chance
Showers
Tuesday
High: 81 °F
Showers
Likely then
T-storms
Tuesday Night
Low: 69 °F
T-storms then
Slight Chance
T-storms
Wednesday
High: 83 °F
Showers
Likely
Wednesday Night
Low: 70 °F
Partly Cloudy

Detailed Forecast

Tonight

Showers and thunderstorms likely before 5am, then a chance of showers. Mostly cloudy, with a low around 71. South wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Sunday

A slight chance of showers, then a chance of showers and thunderstorms after 11am. Partly sunny, with a high near 82. 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 midnight, then a slight chance of showers between midnight and 1am. Partly cloudy, with a low around 69. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

Monday

Showers likely, then showers and possibly a thunderstorm after 11am. High near 81. Calm wind becoming west around 5 mph. Chance of precipitation is 80%.

Monday Night

Showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Low around 68. Calm wind. Chance of precipitation is 80%.

Tuesday

Showers likely, then showers and possibly a thunderstorm after 11am. High near 81. Calm wind becoming west around 5 mph. Chance of precipitation is 80%.

Tuesday Night

Showers and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Low around 69. Calm wind. Chance of precipitation is 80%.

Wednesday

Showers likely and possibly a thunderstorm after 8am. Mostly sunny, with a high near 83. Chance of precipitation is 60%.

Wednesday Night

Partly cloudy, with a low around 70.

Thursday

A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 84. Chance of precipitation is 40%.

Thursday Night

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

Friday

A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 85.

Friday Night

A chance of thunderstorms. Partly cloudy, with a low around 70. Chance of precipitation is 30%.