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.

Light Rain

74°F

23°C

Humidity	85%
Wind Speed	S 15 G 31 mph
Barometer	29.74 in (1005.9 mb)
Dewpoint	69°F (21°C)
Visibility	10.00 mi
Last update	1 Aug 10:53 pm EDT

More Information:

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

Extended Forecast for

3 Miles SSW Maryville TN

Tonight
Low: 71 °F
Showers
Likely
Sunday
High: 85 °F
Chance
Showers then
Chance
T-storms
Sunday Night
Low: 70 °F
Chance
T-storms then
Chance
Showers
Monday
High: 84 °F
Chance
T-storms then
T-storms
Monday Night
Low: 68 °F
T-storms then
Slight Chance
Showers
Tuesday
High: 85 °F
Chance
T-storms then
T-storms
Tuesday Night
Low: 69 °F
T-storms then
Slight Chance
T-storms
Wednesday
High: 86 °F
Chance
T-storms
Wednesday Night
Low: 70 °F
Partly Cloudy

Detailed Forecast

Tonight

Showers likely and possibly a thunderstorm before 2am, then a chance of showers and thunderstorms between 2am and 5am, then a chance of showers after 5am. Mostly cloudy, with a low around 71. South wind 5 to 10 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 chance of showers, with thunderstorms also possible after 11am. Partly sunny, with a high near 85. Southwest wind 5 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.

Sunday Night

A chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 2am. Partly cloudy, with a low around 70. Southwest wind around 5 mph becoming calm after midnight. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday

A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 84. Calm wind becoming west around 5 mph in the afternoon. 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. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%.

Tuesday

A chance of showers before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then showers and possibly a thunderstorm after 2pm. High near 85. Calm wind becoming west around 5 mph in the afternoon. 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. South wind around 5 mph becoming calm. Chance of precipitation is 80%.

Wednesday

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

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 87. Chance of precipitation is 30%.

Thursday Night

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

Friday

A 40 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.