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.

Overcast

75°F

24°C

Humidity	88%
Wind Speed	W 3 mph
Barometer	29.76 in (1006.7 mb)
Dewpoint	71°F (22°C)
Visibility	10.00 mi
Last update	2 Aug 9:53 am EDT

More Information:

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

Extended Forecast for

4 Miles SW Maryville TN

Today
High: 85 °F
Chance
Showers
Tonight
Low: 69 °F
Chance
T-storms then
Partly Cloudy
Monday
High: 84 °F
Slight Chance
T-storms then
T-storms
Likely
Monday Night
Low: 69 °F
Chance
T-storms then
Partly Cloudy
Tuesday
High: 85 °F
Chance
T-storms then
Showers
Likely
Tuesday Night
Low: 70 °F
Showers
Likely then
Partly Cloudy
Wednesday
High: 87 °F
Showers
Likely
Wednesday Night
Low: 71 °F
Showers
Likely then
Slight Chance
T-storms
Thursday
High: 88 °F
Chance
T-storms

Detailed Forecast

Today

A slight chance of showers, then a chance of showers and thunderstorms 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%.

Tonight

A chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and midnight. Partly cloudy, with a low around 69. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 30%.

Monday

Showers and thunderstorms likely, mainly between 2pm and 4pm. Partly sunny, with a high near 84. Calm wind becoming west around 5 mph in the afternoon. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Monday Night

A 30 percent chance of showers and thunderstorms before 8pm. Partly cloudy, with a low around 69. Southeast wind around 5 mph becoming calm in the evening.

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 85. Calm wind becoming west around 5 mph. Chance of precipitation is 60%.

Tuesday Night

Showers likely before 8pm. Partly cloudy, with a low around 70. South wind around 5 mph becoming calm. 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 in the afternoon. 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 40 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 88.

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 88.

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.