Heat Continues in the Northeast; Fire Weather Threat Persists in the West

Above normal temperatures are expected to continue into midweek for portions of the Northeast, including the I-95 corridor from New York to southern Maine. Critical fire weather conditions are expected in the interior Pacific Northwest, with additional Red Flag Warnings in effect for the Great Basin and Rockies. Read More >

Hazardous Weather Conditions

Current conditions at

Knoxville, McGhee Tyson Airport (KTYS)

Lat: 35.82°NLon: 83.99°WElev: 981ft.

Mostly Cloudy

75°F

24°C

Humidity 88%
Wind Speed S 6 mph
Barometer 30.05 in (1016.5 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 11 Aug 12:53 am EDT
Extended Forecast for

Knoxville TN

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms, mainly after 3am.  Patchy fog after 5am.  Otherwise, mostly cloudy, with a low around 71. Calm wind.

    Chance
    T-storms and
    Patchy Fog

    Low: 71 °F

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly before 8am.  Patchy fog before 9am.  Otherwise, mostly sunny and hot, with a high near 92. Heat index values as high as 101. Calm wind becoming southwest around 5 mph in the afternoon.

    Chance
    T-storms and
    Patchy Fog

    High: 92 °F

  • Tuesday
    Night

    Tuesday Night: A chance of showers and thunderstorms before 2am, then a slight chance of showers.  Partly cloudy, with a low around 72. Calm wind.  Chance of precipitation is 40%.

    Chance
    T-storms

    Low: 72 °F

  • Wednesday

    Wednesday: A slight chance of showers, then a chance of showers and thunderstorms after 8am.  Mostly sunny and hot, with a high near 92. Heat index values as high as 99. Calm wind.  Chance of precipitation is 50%.

    Slight Chance
    T-storms then
    Chance
    T-storms

    High: 92 °F

  • Wednesday
    Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms, mainly before 2am.  Partly cloudy, with a low around 72. Calm wind.

    Chance
    T-storms

    Low: 72 °F

  • Thursday

    Thursday: Showers and thunderstorms likely, mainly after 5pm.  Mostly sunny and hot, with a high near 92. Chance of precipitation is 60%.

    Chance
    T-storms then
    T-storms
    Likely

    High: 92 °F

  • Thursday
    Night

    Thursday Night: Showers and thunderstorms likely, mainly before 8pm.  Mostly cloudy, with a low around 72. Chance of precipitation is 60%.

    T-storms
    Likely then
    Chance
    T-storms

    Low: 72 °F

  • Friday

    Friday: Showers and thunderstorms likely, mainly after 2pm.  Partly sunny, with a high near 89. Chance of precipitation is 60%.

    Chance
    T-storms then
    T-storms
    Likely

    High: 89 °F

  • Friday
    Night

    Friday Night: Showers and thunderstorms likely, mainly before 8pm.  Mostly cloudy, with a low around 72. Chance of precipitation is 60%.

    T-storms
    Likely

    Low: 72 °F

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms, mainly after 3am. Patchy fog after 5am. Otherwise, mostly cloudy, with a low around 71. Calm wind.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly before 8am. Patchy fog before 9am. Otherwise, mostly sunny and hot, with a high near 92. Heat index values as high as 101. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A chance of showers and thunderstorms before 2am, then a slight chance of showers. Partly cloudy, with a low around 72. Calm wind. Chance of precipitation is 40%.
Wednesday
A slight chance of showers, then a chance of showers and thunderstorms after 8am. Mostly sunny and hot, with a high near 92. Heat index values as high as 99. Calm wind. Chance of precipitation is 50%.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly before 2am. Partly cloudy, with a low around 72. Calm wind.
Thursday
Showers and thunderstorms likely, mainly after 5pm. Mostly sunny and hot, with a high near 92. Chance of precipitation is 60%.
Thursday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Friday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 60%.
Friday Night
Showers and thunderstorms likely, mainly before 8pm. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely, mainly after 2pm. Partly sunny, with a high near 89. Chance of precipitation is 60%.
Saturday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 72. Chance of precipitation is 60%.
Sunday
Showers and thunderstorms likely. Mostly sunny and hot, with a high near 90. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely. Partly cloudy, with a low around 71. Chance of precipitation is 60%.
Monday
A 30 percent chance of showers and thunderstorms. Mostly sunny and hot, with a high near 90.
Click Map For Forecast
Point Forecast:
Knoxville TN
 35.96°N 83.94°W (Elev. 899 ft)
9:37 pm EDT Aug 10, 2020
1am EDT Aug 11, 2020-6pm EDT Aug 17, 2020
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database