Heat Wave in the Northeastern U.S.; Severe Thunderstorms and Excessive Rainfall in the Plains and Upper Midwest; Critical Fire Weather in the Southwestern U.S.

The first significant heat wave this season will impact much of the Midwest, Great Lakes, Mid-Atlantic and Northeast this week. Record high temperatures and rapid onset drought is possible. In the northern Plains and Upper Midwest, strong to severe thunderstorms with excessive rainfall are possible today. Dry, gusty winds will bring critical fire weather to the Four Corners and central California. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Partly Cloudy

86°F

30°C

Humidity	55%
Wind Speed	Vrbl 5 mph
Barometer	30.17 in (1020.2 mb)
Dewpoint	68°F (20°C)
Visibility	10.00 mi
Heat Index	89°F (32°C)
Last update	17 Jun 10:53 am EDT

More Information:

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

Extended Forecast for

6 Miles NW High Rocks NC

Today
High: 78 °F
Chance
T-storms
Tonight
Low: 63 °F
Chance
T-storms then
Patchy Fog
Tuesday
High: 79 °F
Patchy Fog
then Partly
Sunny
Tuesday Night
Low: 61 °F
Mostly Cloudy
Juneteenth
High: 79 °F
Partly Sunny
Wednesday Night
Low: 60 °F
Mostly Cloudy
Thursday
High: 80 °F
Mostly Sunny
Thursday Night
Low: 61 °F
Partly Cloudy
Friday
High: 81 °F
Mostly Sunny

Detailed Forecast

Today

A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 78. South southeast wind 3 to 5 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Tonight

A 30 percent chance of showers and thunderstorms, mainly before 7pm. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 63. Southeast wind around 7 mph. New precipitation amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

Tuesday

Patchy fog before 8am. Otherwise, partly sunny, with a high near 79. Southeast wind around 7 mph.

Tuesday Night

Mostly cloudy, with a low around 61. Southeast wind around 8 mph.

Juneteenth

Partly sunny, with a high near 79. East southeast wind around 6 mph.

Wednesday Night

Mostly cloudy, with a low around 60.

Thursday

Mostly sunny, with a high near 80.

Thursday Night

Partly cloudy, with a low around 61.