Monsoon Flood Threat in the Southwest; Hot in the South and Northwest

Monsoonal heavy rain will continue flash flood potential across the Southwest and Intermountain West to the central and southern Rockies through this weekend, especially in complex terrain, burn scars, and urban areas. Excessive heat and humidity with heat indices over 110 degrees will be common over much of the Deep South and interior Northwest this weekend. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

A Few Clouds with Haze

88°F

31°C

Humidity 43%
Wind Speed W 10 mph
Barometer 30.01 in (1014.9 mb)
Dewpoint 63°F (17°C)
Visibility 6.00 mi
Heat Index89°F (32°C)
Last update 31 Jul 2:53 pm EDT
Extended Forecast for

Knoxville, McGhee Tyson Airport TN

  • This
    Afternoon

    This Afternoon: Widespread haze. Mostly sunny and hot, with a high near 93. West wind around 10 mph.

    Haze

    High: 93 °F

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 2am.  Widespread haze before 8pm. Mostly cloudy, with a low around 72. West wind around 5 mph becoming south after midnight.

    Haze then
    Chance
    T-storms

    Low: 72 °F

  • Sunday

    Sunday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 85. Southwest wind around 10 mph.  New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    High: 85 °F

  • Sunday
    Night

    Sunday Night: A slight chance of thunderstorms before 7pm.  Partly cloudy, with a low around 66. Northwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 10%.

    Slight Chance
    T-storms then
    Partly Cloudy

    Low: 66 °F

  • Monday

    Monday: Mostly sunny, with a high near 86. North wind around 5 mph.

    Mostly Sunny

    High: 86 °F

  • Monday
    Night

    Monday Night: Partly cloudy, with a low around 64. Northeast wind around 5 mph.

    Partly Cloudy

    Low: 64 °F

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms after 2pm.  Sunny, with a high near 86. Calm wind becoming north around 5 mph in the morning.

    Sunny then
    Chance
    T-storms

    High: 86 °F

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of showers and thunderstorms, mainly before 8pm.  Partly cloudy, with a low around 64.

    Chance
    T-storms

    Low: 64 °F

  • Wednesday

    Wednesday: A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 85. Chance of precipitation is 40%.

    Slight Chance
    Showers then
    Chance
    T-storms

    High: 85 °F

Detailed Forecast

This Afternoon
Widespread haze. Mostly sunny and hot, with a high near 93. West wind around 10 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 2am. Widespread haze before 8pm. Mostly cloudy, with a low around 72. West wind around 5 mph becoming south after midnight.
Sunday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 85. Southwest wind around 10 mph. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday Night
A slight chance of thunderstorms before 7pm. Partly cloudy, with a low around 66. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 10%.
Monday
Mostly sunny, with a high near 86. North wind around 5 mph.
Monday Night
Partly cloudy, with a low around 64. Northeast wind around 5 mph.
Tuesday
A 30 percent chance of showers and thunderstorms after 2pm. Sunny, with a high near 86. Calm wind becoming north around 5 mph in the morning.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 8pm. Partly cloudy, with a low around 64.
Wednesday
A slight chance of showers between 8am and 2pm, then a chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 85. Chance of precipitation is 40%.
Wednesday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Thursday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Thursday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 66.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Click Map For Forecast
Point Forecast:
Knoxville, McGhee Tyson Airport TN
 35.83°N 83.98°W (Elev. 961 ft)
3:04 pm EDT Jul 31, 2021
3pm EDT Jul 31, 2021-6pm EDT Aug 6, 2021
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database