Severe Thunderstorms and Heavy Rainfall Across the Midwest into the Great Lakes Region; Significant Heat in the Southwest

Strong to severe storms may produce damaging winds, isolated hail, and a few tornadoes from the Midwest into the lower Great Lakes. These storms may also produce areas of heavy rain and flash flooding. Significant heat will continue across parts of the Desert Southwest into western Texas and north Alaska. Dangerous heat will also build into the Eastern and Central U.S. and continue into next week. 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

77°F

25°C

Humidity	69%
Wind Speed	SW 15 mph
Barometer	30.03 in (1016.0 mb)
Dewpoint	66°F (19°C)
Visibility	10.00 mi
Heat Index	79°F (26°C)
Last update	18 Jun 7:53 pm EDT

More Information:

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

Extended Forecast for

5 Miles SSW Maryville TN

Tonight
Low: 70 °F
Partly Cloudy
then Chance
T-storms
Juneteenth
High: 82 °F
Showers then
T-storms
Likely
Thursday Night
Low: 66 °F
Showers then
Slight Chance
T-storms and
Patchy Fog
Friday
High: 85 °F
Patchy Fog
then Sunny
Friday Night
Low: 65 °F
Mostly Clear
Saturday
High: 90 °F
Hot
Saturday Night
Low: 69 °F
Mostly Clear
Sunday
High: 92 °F
Hot
Sunday Night
Low: 71 °F
Mostly Clear

Detailed Forecast

Tonight

A 50 percent chance of showers and thunderstorms, mainly between 1am and 4am. Partly cloudy, with a low around 70. Southwest wind around 10 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Juneteenth

Showers and thunderstorms, mainly before 5pm, then showers likely and possibly a thunderstorm after 5pm. High near 82. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Thursday Night

Showers and possibly a thunderstorm before 8pm, then a slight chance of showers and thunderstorms between 8pm and 2am. Patchy fog after 4am. Low around 66. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Friday

Patchy fog before 8am. Otherwise, mostly sunny, with a high near 85. Calm wind becoming northwest around 5 mph.

Friday Night

Mostly clear, with a low around 65. Calm wind.

Saturday

Sunny and hot, with a high near 90. Calm wind.

Saturday Night

Mostly clear, with a low around 69. Calm wind.

Sunday

Sunny and hot, with a high near 92.

Sunday Night

Mostly clear, with a low around 71.