Storm Impacting the Southwest U.S.; Above Normal Temperatures Further East

A storm system will shift across the southwest U.S. through Thursday with widespread showers and isolated thunderstorms. Isolated flooding is possible. High-elevation snow is also expected in parts of Nevada and the southern Sierra Nevada range. East of this storm, above average temperatures will challenge or break daily record high temperatures this week in the southern Plains and southeast U.S. 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

67°F

19°C

Humidity	47%
Wind Speed	SW 14 mph
Barometer	30.00 in (1015.7 mb)
Dewpoint	46°F (8°C)
Visibility	10.00 mi
Last update	18 Nov 5:53 pm EST

More Information:

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

Extended Forecast for

Knoxville, McGhee Tyson Airport TN

Tonight
Low: 55 °F
Showers
Wednesday
High: 69 °F
Slight Chance
Showers and
Patchy Fog
then Mostly
Cloudy
Wednesday Night
Low: 52 °F
Mostly Cloudy
Thursday
High: 70 °F
Patchy Fog
then Partly
Sunny
Thursday Night
Low: 56 °F
Chance
Showers
Friday
High: 72 °F
Chance
Showers
Friday Night
Low: 58 °F
Showers
Saturday
High: 71 °F
Showers
Likely
Saturday Night
Low: 50 °F
Slight Chance
Showers

Detailed Forecast

Tonight

Showers and thunderstorms before 3am, then showers likely and possibly a thunderstorm between 3am and 4am, then a chance of showers after 4am. Low around 55. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Wednesday

A 10 percent chance of showers before 7am. Patchy fog between 8am and 11am. Otherwise, mostly cloudy, with a high near 69. Southwest wind 5 to 10 mph.

Wednesday Night

Mostly cloudy, with a low around 52. Northwest wind around 5 mph becoming calm in the evening.

Thursday

Patchy fog before 8am. Otherwise, mostly cloudy, with a high near 70. Calm wind becoming west around 5 mph in the afternoon.

Thursday Night

A chance of showers and thunderstorms. Cloudy, with a low around 56. South wind around 5 mph. Chance of precipitation is 50%.

Friday

A 40 percent chance of showers. Mostly cloudy, with a high near 72. Southwest wind 5 to 10 mph.

Friday Night

Showers, with thunderstorms also possible after 1am. Low around 58. Southwest wind around 10 mph. Chance of precipitation is 80%.

Saturday

Showers likely and possibly a thunderstorm before 1pm, then a chance of showers. Partly sunny, with a high near 71. Chance of precipitation is 60%.