Excessive Rainfall and Severe Weather Threats from Southern Plains to Mississippi Valley

An active day is setting up across the center of the nation. Numerous severe thunderstorms are likely today and tonight across the southern and central Plains into the lower to mid Missouri Valley. Strong tornadoes, very large hail and damaging winds are forecast. In addition, excessive rainfall with numerous instances of flash flooding are expected, some of which will likely be significant. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

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Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

75°F

24°C

Humidity	48%
Wind Speed	S 9 mph
Barometer	30.24 in (1023.3 mb)
Dewpoint	54°F (12°C)
Visibility	10.00 mi
Last update	27 Apr 6:53 pm EDT

More Information:

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

Extended Forecast for

Knoxville, McGhee Tyson Airport TN

Tonight

Partly Cloudy
Low: 58 °F
Sunday

Sunny
High: 82 °F
Sunday
Night

Mostly Clear
Low: 59 °F
Monday

Sunny
High: 83 °F
Monday
Night

Mostly Cloudy
then Chance
Showers
Low: 62 °F
Tuesday

Showers
Likely
High: 78 °F
Tuesday
Night

Chance
T-storms then
Mostly Clear
Low: 58 °F
Wednesday

Sunny
High: 84 °F
Wednesday
Night

Partly Cloudy
Low: 60 °F

Detailed Forecast

Tonight

Partly cloudy, with a low around 58. South wind 5 to 10 mph becoming light in the evening.

Sunday

Sunny, with a high near 82. Southwest wind 5 to 10 mph.

Sunday Night

Mostly clear, with a low around 59. South wind 5 to 10 mph.

Monday

Sunny, with a high near 83. Southwest wind 5 to 15 mph, with gusts as high as 20 mph.

Monday Night

A chance of showers between 2am and 5am, then a chance of showers and thunderstorms after 5am. Mostly cloudy, with a low around 62. South wind 5 to 10 mph. Chance of precipitation is 50%.

Tuesday

Showers and thunderstorms likely before 11am, then showers likely and possibly a thunderstorm between 11am and 2pm, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 78. Southwest wind 10 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 60%.

Tuesday Night

A 30 percent chance of showers and thunderstorms before 8pm. Mostly clear, with a low around 58. South wind around 5 mph.

Wednesday

Sunny, with a high near 84.

Wednesday Night

Partly cloudy, with a low around 60.

Thursday

A slight chance of showers, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 86. Chance of precipitation is 30%.

Thursday Night

A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 63.

Friday

A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.